The Edward R. Campbell Bridge is a physical testament to the power of elected officials building bridges that benefit not only their constituents, but all future generations. Alameda County Supervisor Edward R. Campbell, having spent most of his . . . — — Map (db m204561) HM
Old Bridge and New Pier
As you walk onto the pier before you, constructed in 2019, you are stepping onto a
piece of transportation history. This pier is built upon two pylons that supported the original San Francisco Bay Bridge near the . . . — — Map (db m159373) HM
The opening of the San Francisco - Oakland Bay Bridge in
1936, and the Golden Gate Bridge in 1937, forever changed
the local economy and transportation habits of the Bay Area,
allowing easier travel and access to new places for work
and . . . — — Map (db m159887) HM
Originally known as San Antonio Creek – a shallow, marsh-fringed inlet that ended near present-day Coast Guard Island – the Oakland Estuary was transformed into a working harbor under the direction of the Army Corps of Engineers. The harbor plan, . . . — — Map (db m218625) HM
The Sausal Creek Arch Bridge, commonly known as the Leimert Bridge since its completion in 1926, is a graceful example of a fixed arch bridge. George Posey, Alameda County Surveyor and engineer of the Posey Tunnel connecting Alameda and Oakland, . . . — — Map (db m71767) HM
The Sausal Creek Arch Bridge, commonly known as the Leimert Bridge since its completion in 1926, is a graceful example of a fixed arch bridge. George Posey, Alameda County Surveyor and engineer of the Posey Tube connecting Alameda to Oakland, . . . — — Map (db m223950) HM
The Oakland Portal's elaborate Beaux Arts façade conceals eight massive fans that draw in
fresh air and expel foul air to prevent carbon monoxide buildup in the George A. Posey Tube, an underwater automobile tunnel that runs under Harrison Street . . . — — Map (db m145508) HM
Phoebe Hearst's Moorish-style mansion once stood where the Castlewood Country Club now stands, northwest of this location. The mansion was named Hacienda del Pozo de Verona, for its great marble wellhead imported from Verona, Italy.
Western . . . — — Map (db m194786) HM
The Massa Tunnel was dug in the 1850’s on Massa Brothers' land. The tunnel extends 126’ into the east vein of the Mother Lode. Little gold was found. The Kennedy Mine acquired the property in 1898. It and the Argonaut mined the richer west vein . . . — — Map (db m44587) HM
Built cooperatively by Butte and Glenn Counties, 1908-1911. Designed by John B. Leonard (1864-1945), civil engineer, San Francisco. Built by Cotton Bros. and Co. Oakland. Recorded for the Historic American Engineering Record, 1984. Replaced and . . . — — Map (db m62233) HM
Honey Run Bridge
Erected
1894
By George Miller
Gold Dredge
The first bucket line gold dredge to operate below the covered bridge used this tumbler – 1898. — — Map (db m29682) HM
Originally constructed on a site one and a half miles northeast of this location in 1856
Rededicated on July 30, 1977
on this Kelly Ridge site
to avoid inundation by the waters of
Oroville Reservoir
State of California - Edmund G. . . . — — Map (db m61597) HM
To commemorate The Mother Orange Tree of Butte County planted at this spot by Judge Joseph Lewis in 1856.
The Bidwell Bar Bridge, first suspension bridge of California, transported from New York via Cape Horn 1853. Completed 1856. . . . — — Map (db m100596) HM
(There are five markers and one dedication plaque affixed to the flagpole pedestal.)
History of Copperopolis
Copper (for ore) + opolos (for city)
Originally known as Copper Canyon, Copperopolis was established in 1860 when copper . . . — — Map (db m62356) HM
In 1852 a chain cable bridge replaced the ferries that once crossed here, to be supplanted in its turn by a covered truss structure in 1862. Some writers claimed this was the locale of Bret Harte's Poker Flat. In late “49” there was a large camp . . . — — Map (db m13013) HM
A cooperative project of
Sierra Pacific Industries
and
Stanislaus National Forest.
Site of original 1962
bridge destroyed in
mudslide January 1, 1997. — — Map (db m33440) HM
Located on the Stockton-Murphy Road at the fourth crossing of the Calaveras River, this early mining settlement, once called Foremans, was famous in the 1850's for its rich placer ores. Later, it became an important stage and freighting depot and . . . — — Map (db m11969) HM
Center section of the former Colusa Bridge across the Sacramento River at the end of Bridge Street. Constructed 1899-1901 and replaced 1979-80. Nominated for inclusion on Federal Register 1978. — — Map (db m63416) HM
Alfred 'Al' Zampa was the first born son of Emilio and Maria Zampa, Italian immigrants who migrated to the USA from Abruzzi, Italy. Al was born on March 12, 1905 in Selby, California down river from where this plaque sits. He was the eldest of three . . . — — Map (db m91658) HM
Walnut Creek's namesake creek is formed under this plaza, where Las Trampas and San Ramon creeks merge. The two creeks bound land known as "Botelho's Island." which had been owned by the pioneer Botelho family. Broadway Plaza, opened in 1951, now . . . — — Map (db m93731) HM
Walnut Creek's namesake creek runs beneath Broadway at the end of this block. Before the creek was "underground" to prevent flooding, a bridge at the end of this street was essential to reach the homes and farms across the creek and to get to the . . . — — Map (db m93864) HM
Coloma’s first two bridges were located about ¼ mile upstream from here. During the summer of 1849 Jim Stephens built a foot-bridge with a 25 cent toll. In 1850 John Little and Edward Raun built a wagon bridge with a toll house that brought in . . . — — Map (db m215522) HM
Mining ditches were dug by ditch companies to carry vast amounts of water needed for placer mining. Thousands of miles of ditches and flumes were built in the gold country; some brought immense profits to their owners. As mining declined in the . . . — — Map (db m17484) HM
This area held a number of important homes and stores during the gold rush. The first large building in Coloma was built here in 1849 by John T. Little. It contained a store, hotel, restaurant and post office. Little also operated a ferry to cross . . . — — Map (db m215742) HM
These stone obelisks are all that’s left of the original four that once stood on the corners of the stone arch bridge spanning the American River from 1900 to 1930.
This monument erected by Caltrans District 3 History Committee and the . . . — — Map (db m23183) HM
In the early 1850's, before it became a town, Reedley was in Mariposa County. The only way to cross the Kings River was doing so at your own risk or to find a ferry and pay a fee to cross. The Reedley area could claim two operating ferries. . . . — — Map (db m77752) HM
Dedicated to the Noah Simpson family, early
settlers of Stony Creek Valley. The steel girders that form the arch were part of
the original bridge constructed in 1885 and
used until 1961. This site overlooks the
location of the original bridge . . . — — Map (db m172451) HM
Dedicated on November 16, 1911 and affectionately known as the "Queen of Bridges", it was the longest reinforced concrete arch structure in the world at the time of its construction. The bridge was designed by John B. Leonard, Civil Engineer, . . . — — Map (db m71907) HM
Founded in 1856 by L.A. Whitmore who operated first Kings River ferry crossing. After 1858 town became stopping place for Butterfield stages. Toll bridge superseded ferry in 1873. On December 26, 1873, Tiburcio Vasquez and bandit gang made bold raid . . . — — Map (db m158224) HM
With the 1907 extension of Huntington’s Pacific
Electric system through Duarte to Glendora,
a cut was created to level the railroad’s right
of way in front of L.L. Bradbury’s country home.
To provide access to his home, the site of which
is now . . . — — Map (db m137592) HM
The original Sixth Street Viaduct, constructed in 1932,
included art deco features, two pairs of iconic steel
arches, and was recognized as Los Angeles Historic
Cultural Monument 905. The 1932 viaduct was designed by
the City of Los Angeles . . . — — Map (db m203789) HM
Federal Works Agency,
Public Works Administration.
John M. Carmody,
Federal Works Administrator.
Franklin D. Roosevelt,
President of the United States.
Barham Blvd Bridge
over Cahuenga Blvd,
1940. — — Map (db m227121) HM
Federal Emergency Administration
of Public Works Project No. 4561.
City of Los Angeles, Frank L Shaw - Mayor.
Board of Public Works...
Bureau of Engineering...
Members of the City Council...
General contractor: Bent . . . — — Map (db m229107) HM
The original Sixth Street Viaduct, constructed in 1932, included art deco features, two pairs of iconic steel arches, and was recognized as Los Angeles Historic Cultural Monument 905. The 1932 viaduct was designed by the City of Los Angeles Bureau . . . — — Map (db m227992) HM
Federal Works Agency,
Public Works Administration.
John M. Carmody,
Public Works Administrator.
Franklin D. Roosevelt,
President of the United States.
Temple Street Grade Separation,
1939. — — Map (db m229200) HM
The Soto Street Bridge was constructed in 1936 to separate vehicular traffic from the Pacific Electric
railroad. Railroads were first introduced to the intersection in 1909 when Pacific Electric, under the
leadership of Henry Huntington, . . . — — Map (db m228371) HM
A Dangerous Bottleneck
Prior to the Riverside Drive Bridge that you see today, there was once a wooden structure crossing the Los Angeles River in its place. However, this old wooden bridge was inadequate to serve the increasing . . . — — Map (db m223397) HM
Originally known as the Victory Boulevard bridge, the Riverside Drive bridge was constructed in 1938 to improve a bottleneck caused by an earlier wooden bridge. It was partially funded by President Franklin D. Roosevelt’s Works Progress . . . — — Map (db m129133) HM
Constructed by California Southern Railroad (a Santa Fe subsidiary),
built 1896.
Declared 1988, Historic-Cultural Monument No. 339, City of Los Angeles, Cultural Heritage Commission, Cultural Affairs Department. — — Map (db m205594) HM
The Soto Street tunnel served an important purpose in the early 1900s.
It provided much needed protection from the dangers of the nearby
Pacific Electric Pasadena Short Line (PE). The PE was a highly used
line with many red cars traversing to . . . — — Map (db m214722) HM
City of Los Angeles North Atwater Bridge construction completed 2019.
This bridge over the Los Angeles River was made possible by the City of Los Angeles and a generous donation from the La Kretz Family Foundation. Initiated by River LA, . . . — — Map (db m164818) HM
Vincent Thomas Bridge
The Vincent Thomas Bridge is considered the Port of Los Angeles' official welcoming monument. It was built in 1963 to connect Terminal Island to San Pedro, replacing municipal ferry service.
Initially . . . — — Map (db m224136) HM
In 2012 this bridge replaced the historic Mulholland Drive overcrossing that was demolished to accommodate the widening of the San Diego Freeway (I-405). Built in 1959, the original bridge was determined eligible for listing on the National Register . . . — — Map (db m125489) HM
The 1st Street Viaduct over Glendale Boulevard is a
reinforced concrete bridge with a box girder design
constructed between 1940 and 1942. Designed by the
City of Los Angeles Bureau of Engineering, the viaduct
has Moderne-style architectural . . . — — Map (db m235247) HM
Adobe Flores … Pasadena
Built by José Perez in 1839, Headquarters of the
Mexican General Flores, who drew up in this house the terms of
surrender to the American General Fremont.
The image displayed is a facsimile of the . . . — — Map (db m198138) HM
Erected by the California Highway Commission and Division of Highways of the Department of Public Works - named by resolution of the 1953 State Legislature and dedicated to all Pasadena Pioneers, especially the twenty seven who founded this city . . . — — Map (db m161000) HM
Waddell & Harrington of Kansas City, Missouri, designed the
Colorado Street Bridge in 1912. J.D.Mercereau Construction of Los
Angeles was the contractor. Dedicated and opened to traffic on
December 13, 1913. Designated as a Historic Civil . . . — — Map (db m161949) HM
This property is listed in the National Register of Historic Places by the United States Department of the Interior.
John K. Van De Kamp Bridge, formerly known as La Loma Bridge is an open-spandrel-arch reinforced concrete bridge . . . — — Map (db m235281) HM
After a breakwater was built in 1933 & 1934, Santa Monica Harbor became home to a proud collection of yachts, fleets of fishing boats, a cruise liner to Catalina and water taxis which served mobster Tony Cornero's infamous gambling ship, the "SS . . . — — Map (db m185313) HM
A singular example of functional public art by architects Charles and Henry Greene, this 1906 span was one of the country's first reinforced concrete bridges.
Recognized by Hampton Hotels Save-A-Landmark program as a site worth seeing. . . . — — Map (db m206059) HM
Constructed in 1913, this bridge was a part of the Pacific Electric Railway system which was designated as a Local Historic Civil Engineering Landmark by the American Society of Civil Engineers, Los Angeles section, in 1973. Although the bridge no . . . — — Map (db m140110) HM
This structure replaces Bridge No. 27C0071, a contributing element to the Ross Historic Bridges District, eligible for inclusion in the National Register of Historic Places. The original bridge was completed on January 13, 1910 as part of a $12,500 . . . — — Map (db m63939) HM
A bridge existed in this area as early as 1895, perhaps built by the Northwestern Pacific Railroad to provide access to the train station. It was later replaced by a newer bridge, possibly in 1916. — — Map (db m197099) HM
History
The Richmond-San Rafael Bridge opened to traffic in 1956, following 2 years of planning and design and 4 years of construction. At the time, its 4.5 mile-length and double-decker design made it one of the most complex bridges in the . . . — — Map (db m223322) HM
The Golden Gate Bridge, completed in 1937, is a monument of the last century, and could be damaged by a strong earthquake. Seismic retrofit construction is underway to transform the international icon into a strong and flexible structure that can . . . — — Map (db m102776) HM
The Golden Gate Bridge is a structure of striking form and elegance. Built in 1937, it remains an indispensable link in the Bay Area's transportation network and a historical monument of civil engineering and construction. The bridge was named for . . . — — Map (db m102433) HM
(Upper left photo:) The Tiburon Trestle, completed in 1883, was a 750-foot redwood structure that spanned mostly marshland before
attaching to earthen berms at each end. The trestle support beams, which are in front of you, and the berm, . . . — — Map (db m154604) HM
In 1969, a visionary named Sam Shapero (who served as Tiburon’s Town Treasurer), decided that Blackie’s Pasture needed to be preserved and protected.
Sam did two things. He bought one-third of the land and donated it to a foundation he created – . . . — — Map (db m204147) HM
For 84 years, from 1884 to 1967, Tiburon was a railroad town. It started when rail pioneer Peter Donahue moved his North Bay operations down from Petaluma to Point Tiburon to become the rail and ferry terminus for the San Francisco & North Pacific . . . — — Map (db m204399) HM
From a vista point near the 1,156 long, 130 foot high bridge, completed in 1966, the site of Bagby lies east under, and sometimes exposed beside, the back waters of Lake McClure. Bagby's history passed through three definite development eras. From . . . — — Map (db m5957) HM
In 1852 Andrew Church established a trading post where a road from the San Joaquin Valley, crossed the Agua Fria Creek. The site, known as Bridgeport, was on the Fremont Grant, about five miles south of Aqua Fria, first county seat of Mariposa . . . — — Map (db m46846) HM
In the 1972 Federal Highways Administration Contest as the outstanding example of a bridge, overpass, tunnel or other highway structure in the United States.
“This is the way a bridge should look.” — — Map (db m46773) HM
This important Southern Pacific Route was called by many names, also including, "The Stockton-Tulare Railroad", "The Oakdale Line", "The Oakdale-Montpelier Railroad", and "The Eastside Route". There were North and South bound trains daily. . . . — — Map (db m91847) HM
Since 1952 bridges near this site have served as the gateway to western Nevada County. This 1924 span was the first concrete bridge at this site and features a Roman style single arch design, constructed in a continuous pour method.
The Colfax . . . — — Map (db m76345) HM
Third span of Deer Creek at this location. It is a replica of the single arch steel Gault Bridge (1908-1996) which replaced the suspension bridge (1862-1903) built by Andrew S. Hallidie, who later built the San Francisco Cable Car system. — — Map (db m40275) HM
Built by Cotton Brothers of Oakland, this steel bridge replaced several wooden bridges washed away in floods. It is the only bridge of the half-through truss design remaining in California. Purdon Crossing was a vital link of the main road from . . . — — Map (db m45068) HM
Dedicated to the pioneers who blazed the
Overland Trail through these mountains.
Built by the U.S. Bureau of Public Roads and the California Highway Commission
1925-1926.
This tablet placed by the Historic Landmarks Committee of the . . . — — Map (db m94763) HM
History
The bridge “eliminated for all time the terrors of the Donner grade from the state highway system of California.”
Automobile travel could be a harrying affair in the old days and Donner Summit was a difficult route. . . . — — Map (db m81898) HM
Built in 1862 by David Isaac John Wood with lumber from his mill in Sierra County, this bridge was part of the Virginia Turnpike Company toll road which served the northern mines and the busy Nevada Comstock Lode. Utilizing a combination truss and . . . — — Map (db m8540) HM
This covered bridge across the South Fork of the Yuba River at Bridgeport, Nevada Co., Calif. was built by David I. Wood in 1862 with lumber from his mill in Plum Valley, Sierra Co., Calif. Erected by Columbia Parlor No. 70, N.D.G.W., French Corral, . . . — — Map (db m8528) HM
Bridgeport Bridge, or “Wood’s Crossing”, is the longest single span covered bridge in existence. Used since 1862, built by David I. Wood. This plaque is dedicated to those pioneer Americans who came to California in search of a new life . . . — — Map (db m8539) HM
Built in 1862 by David J. Wood with lumber from his mill in Sierra County, the covered bridge was part of the Virginia Turnpike Company toll road that served the northern mines and the Nevada Comstock Lode. The associated ranch and resources for . . . — — Map (db m78339) HM
William M. Thomas of Thomas and Post Consulting Engineers designed the 685-foot-long Parks Bar Bridge in 1912 for Yuba County. The original 16-foot-wide bridge with four 140-foot-long arch spans was constructed by the Portland Concrete Pile Company . . . — — Map (db m54222) HM
It was near this site on July 22, 1760 that Captain Gaspar de Portola joined by 63 men and two priests, stepped into history by crossing the Arroyo Trabuco during the first Spanish expedition into Alta California. Today, June 8, 1992, the County of . . . — — Map (db m196167) HM
It was near this site on July 22, 1760 that Captian Gaspar de Portola joined by 63 men and two priests, stepped into history by crossing the Arroyo Trabuco during the first Spanish expedition into Alta California. Today, June 8, 1992, the County of . . . — — Map (db m198396) HM
The Mountain Quarries Railroad Bridge, also known a "No Hands Bridge", was completed on March 23, 1912. At the time of its construction the span bore the distinction of being one of the largest reinforced concrete railroad bridges in the United . . . — — Map (db m67664) HM
In 1910, the Mountain Quarries Company contracted for the construction of a railroad bridge over the North Fork of the American River to haul limestone from their upstream quarry. The bridge and 17 wooden trestles were part of Mountain Quarries . . . — — Map (db m67659) HM
Founder of the City of Lincoln
First president of the Sacramento Valley Railroad
Founder of the California Central Railroad
Colonel Wilson came to California in 1849 not to look for gold but to build a transportation industry. After . . . — — Map (db m41008) HM
Across this footbridge situated high above Roseville's Southern Pacific railroad yards
passed untold thousands of Pacific Fruit Express employees on their way to work at the
world''s largest artificial ice plant. In disuse since 1974 when the . . . — — Map (db m136168) HM
Trails become roads around Lake Tahoe
Early travel in the Lake Tahoe basin was along Washoe Indian trails and later along American immigrant trails blazed in the 1840s over the rugged Sierra Nevada Mountain passes. The first roads in the . . . — — Map (db m112967) HM
The original Victoria Bridge was wooden and built in 1891 to
unite the new Arlington Heights tract with downtown.
Designed by William Irving and built by private developers,
the bridge was deeded to the city in 1891. The wooden . . . — — Map (db m217883) HM
Named in honor of Jim Jones whose love for the American River and fervor to protect its fisheries and flow levels greatly enhanced the river and parkway.
When this bridge was no longer needed for mining activities, Jim fought to save it so that . . . — — Map (db m377) HM
Folsom Dam and Reservoir are a component of the Central Valley Project, owned and operated by the Bureau of Reclamation, Mid-Pacific Region, Central California Area Office
Construction of Folsom Dam by the Corps began in . . . — — Map (db m17644) HM
Named in honor of
Dr. Guy A. West
Founding President of
Sacramento State College
(1947 – 1966)
Under his guidance and dedicated
leadership, the university grew from
four faculty and fewer than two
hundred students to a . . . — — Map (db m19578) HM
R Street formed the boundary of a levee system that surrounded Sacramento. It also served as the base of operations for the State's first rail line, the Sacramento Valley Railroad. The line was designed by Theodore Judah, who also became the . . . — — Map (db m90220) HM
In 1911, the Northern Electric Railway Company, along with Sacramento and Yolo counties, built the Northern Electric Bridge. The bridge carried a single railroad track with twin motor-vehicle roadways. Pedestrian walks cantilevered from the central . . . — — Map (db m16492) HM
The Tower Bridge, a vertical-lift span, was opened for traffic on December 15, 1935 and was built at a cost of $994,000. The State Department of Public Works, the City and the County of Sacramento and the Federal Government built the bridge.
It . . . — — Map (db m16489) HM
Identifying A Need
By the early 1930’s, Americans were moving away from trains and ships and turning to automobiles as their mode of transporation. As a result, traffic on roadways increased dramatically. In Sacramento, M Street (now . . . — — Map (db m16490) HM
Santa Fe Railroad extended from downtown Redlands following the Mill Creek Zanja.
The 1892 wooden bridge crossing the Zanja remains as a visual relic of the famous
Kite Shaped Track that extended to Mentone, Highland and San Bernardino. . . . — — Map (db m143518) HM
The story says that when Hattie, the daughter of City founder Samuel Merrill returned from a trip to Italy, she was so impressed with the Rialto Bridge in Venice, that she insisted her father name the city after it. While the exact reason the City . . . — — Map (db m239695) HM
Construction Started February, 1967
Bridge Opened to Traffic August, 1969
California Bridge Authority
Governor Ronald Reagan • Lieutenant Governor Ed Reinecke • Secretary of Business & Finance Gordon C. Luce • Director of Finance Casper . . . — — Map (db m117882) HM
Extending from Sixth Avenue to Highway 163 and from the north to south boundaries of the park, the West Mesa remains Balboa Park's most recognizable example of the design style perfected by American landscape pioneer Frederick Law Olmsted. Samuel . . . — — Map (db m209219) HM
When the 1915 Panama-California Exposition was related to an upper mesa of Balboa Park from the original proposed site near downtown San Diego, a bridge over Cabrillo Canyon was required. Director of Works Frank P. Allen, Jr. (1831-1943) . . . — — Map (db m209220) HM
Until 1853 the erratic San Diego River dumped tons of debris into the harbor or poured into False Bay, now Mission Bay. At times it threatened to destroy Old Town San Diego. Lieutenant George Horatio Derby, U.S. Topographical Corps, built a dike . . . — — Map (db m11136) HM
As you gaze out at the majestic beauty of the Golden Gate Bridge, it probably isn't too difficult to determine which San Francisco tourist attraction is on the face of the top-selling postcard sold from City stores each year.
Right. The . . . — — Map (db m176590) HM
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