Near Troy in Miami County, Ohio — The American Midwest (Great Lakes)

Twin Arch Stone Culvert

Miami & Erie Canal

— How Does a Canal Cross a Creek? —

Twin Arch Stone Culvert Marker image. Click for full size.

Photographed by Rev. Ronald Irick, September 4, 2018

1. Twin Arch Stone Culvert Marker

Inscription. The Twin Arch stone culvert was constructed in 1837 as part of the “extension” of the original Miami and Erie Canal which ran from Dayton to Piqua. The purpose of the Twin Arch was to carry stream water from the Howell Ditch under the Miami and Erie Canal into the Great Miami River. The segment of the Miami and Erie Canal, which incudes the Twin Arch stone culvert, began construction in the early 1830’s to complete the link between the Ohio River and Lake Erie. This canal, one of the older artificial avenues of transportation, provided access for the movement of goods throughout the region, and encouraged the development of many of today’s significant communities in western Ohio. The culvert was constructed of limestone, with 2 spans of approximately 15 foot sides and about 2 foot between the spans. The length of the arch barrels is approximately 96 feet. The arch barrels are made of roughly cut limestone, laid with lime mortar in 6-inch courses. The headwalls curve out slightly at the ends and are made with 18 inch thick limestone, laid up dry. This masonry was constructed upon wood timbers. These timbers

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were then laid across wood piling foundations.

In the early 1970’s, a project was begun to widen County Road 25-A between Troy and Piqua. It was discovered that the engineering plans for the original alignment would disturb the arches. Miami County recognized the historic significance of the arches and agreed to completely redesign the roadway and bridge so that the road alignment would be shifted west, away from the arches to minimize any construction impact. The widening project was constructed in 1979-1980. Previous to that, on July 17, 1978, the Twin Arch stone culvert was nominated and voted onto the National register of Historic Places. The arches, located on the property of the State of Ohio and the Upper Valley Medical Center, was transferred to the Miami County Park District. At the same time, the Miami Valley regional Planning Commission received approval of Federal Transportation funds ln March of 2000, to reconstruct the Twin Arch culvert. Since the completion of the arches, the Miami county Park District has paved a small parking area and maintains the arches, footpaths and pond at the Twin Arch Reserve.

Erected by Miami

Photographed by Rev. Ronald Irick, September 4, 2018

2. Twin Arch Stone Culvert Marker

County Park District Miami County foundation.

Topics and series. This historical marker is listed in these topic lists: Bridges & Viaducts • Waterways & Vessels. In addition, it is included in the The Miami & Erie Canal series list. A significant historical year for this entry is 1837.

Location. 40° 5.289′ N, 84° 13.385′ W. Marker is near Troy, Ohio, in Miami County. It can be reached from Great Miami River Recreational Trail (County Route 25A). Marker is in the Twin Arch Reserve Miami County Park District, near the canoe launch ramp. Touch for map. Marker is in this post office area: Troy OH 45373, United States of America. Touch for directions.

Regionally, this marker is in Ohio’s Dayton Metro,

in the Miami Valley,

and in the Till Plains.

It is also in the American Midwest

and in the Corn Belt.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy,

the territory of the Mississippian Culture,

and the Northwest Territory.

Other nearby markers. At least 8 other markers are within

Photographed by Rev. Ronald Irick, September 4, 2018

3. Twin Arch Stone Culvert Marker

the east end, (outlet) of the culvert, as Howell Ditch enters the Great Miami River.

3 miles of this marker, measured as the crow flies: Eldean Covered Bridge (approx. ¾ mile away); a different marker also named Eldean Covered Bridge (approx. 0.8 miles away); The Eldean Bridge (approx. 0.8 miles away); Pratt Pony Truss (approx. 1.2 miles away); a different marker also named Pratt Pony Truss (approx. 1.2 miles away); Col. Nancy J. Currie (approx. 2.8 miles away); Historic Lock 12 (approx. 2.8 miles away); Hobart Brothers Company (approx. 2.8 miles away). Touch for a list and map of all markers in Troy.

Additional keywords. Miami and Erie Canal Dixie Highway

Photographed by Rev. Ronald Irick, September 4, 2018

4. Twin Arch Stone Culvert Marker

the west end, (inlet) as Howell Ditch passes under Dixie Highway, and enters the cuvert, to pass under the Miami and Erie Canal.

Photographed by Rev. Ronald Irick, September 4, 2018

5. Twin Arch Stone Culvert Marker

small, but helpful sign in the parking lot

Photographed by Rev. Ronald Irick, September 4, 2018

6. Twin Arch Stone Culvert Marker

park sign

Credits. This page was last revised on September 6, 2018. It was originally submitted on September 5, 2018, by Rev. Ronald Irick of West Liberty, Ohio. This page has been viewed 572 times since then and 43 times this year. Photos: 1, 2, 3, 4, 5, 6. submitted on September 5, 2018, by Rev. Ronald Irick of West Liberty, Ohio. • Bill Pfingsten was the editor who published this page.