Theodore Roosevelt Island in Washington, District of Columbia — The American Northeast (Mid-Atlantic)
Causeway
By Allen C. Browne, April 5, 2017
1. Causeway Marker
. After the great ice-flood of 1784 continued siltation of the river threatened to close the Georgetown Port. In an attempt to deepen the Georgetown Harbor a causeway was constructed on this location in 1805. A road connected it with John Mason's Ferry. Stagnant water gathered behind the causeway and forced the Mason family to leave their island retreat. It was removed in 1979 upon completion of the pedestrian bridge.
. This historical marker is in Theodore Roosevelt Island in Washington District of Columbia
After the great ice-flood of 1784 continued siltation of the river threatened to close the Georgetown Port. In an attempt to deepen the Georgetown Harbor a causeway was constructed on this location in 1805. A road connected it with John Mason's Ferry. Stagnant water gathered behind the causeway and forced the Mason family to leave their island retreat. It was removed in 1979 upon completion of the pedestrian bridge.
Después de la gran inundación de hielo ocurrida en 1784 los continuos aluviones del río amenazaron cerrar el puerto de Georgetown. En 1805 se trató de hacer más profundo el puerto construyendo un paso de tierra en este lugar. Un camino comunicaba este terraplén con el embarcadero de John Mason situado al otro lado de la isla. Pero debido a que detrás del terraplén el agua se estancó, la familia Mason tuvo que abandonar su casa. En 1979 se terminó de construir el puente de peatones y se suprimió el terraplén.
Topics. This historical marker is listed in this topic list: Bridges & Viaducts.
Location. 38° 53.946′ N, 77° 
By Allen C. Browne, April 5, 2017
2. Causeway Marker
Other nearby markers. At least 8 other markers are within walking distance of this marker. Rough and Ready (about 800 feet away, measured in a direct line); Theodore Roosevelt (approx. 0.2 miles away); Making the Memorial (approx. 0.2 miles away); Force of Nature (approx. ¼ mile away in Virginia); American Indian Villages and Captain John Smith (approx. ¼ mile away in Virginia); Mount Vernon Trail (approx. ¼ mile away in Virginia); From Seaport to National Park (approx. ¼ mile away); Rosslyn (approx. 0.3 miles away in Virginia). Touch for a list and map of all markers in Theodore Roosevelt Island.
Regarding Causeway. Inscription given in English, then Spanish.
By Allen C. Browne, April 5, 2017
3. The Causeway
Behind the Aqueduct BridgeClose-up of image on marker
Library of Congress - HABS
4. Mason's Island
This HABS map, based on Robert King's 1818 “Map of The City of Washington”, shows the island when it belonged to the Mason Family between 1717 and 1833. The causeway can be seen at the northwest corner of the island, continuing the road leading from the ferry landing.
Credits. This page was last revised on February 9, 2021. It was originally submitted on April 6, 2017, by Allen C. Browne of Silver Spring, Maryland. This page has been viewed 365 times since then and 14 times this year. Last updated on February 8, 2021, by Carl Gordon Moore Jr. of North East, Maryland. Photos: 1, 2, 3. submitted on April 6, 2017, by Allen C. Browne of Silver Spring, Maryland. 4. submitted on April 7, 2017, by Allen C. Browne of Silver Spring, Maryland. • Devry Becker Jones was the editor who published this page.
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