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Historic Bridges: US-1 Bypass and Railroad (Boston and Maine)

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.


Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 1

X
Sarah Mildred Long Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-1 Bypass and Railroad (Boston and Maine) Over Piscataqua River in Portsmouth and Kittery: Rockingham County, New Hampshire and York County, Maine, United States
Metal 8 Panel Rivet-Connected Warren Deck Truss, Movable: Vertical Lift (Tower Drive) and Approach Spans: Metal Deck Girder, Movable: Retractile
Length: 2,804 ft. Main Span: 227 ft. Roadway: 30 ft. Main Spans: 1
Built 1940 By: Phoenix Bridge Company of Phoenixville, Pennsylvania and Harrington and Cortelyou
This unique bridge has an unusual design of vertical lift, but its approach span that is a retractile type movable bridge is exceedingly rare.

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