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X
Sarah Mildred Long Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0 Miles (0 Kilometers)

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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
X
World War Memorial Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0.6 Miles (1 Kilometers)

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US-1 Over Piscataqua River in Portsmouth and Kittery: Rockingham County, New Hampshire and York County, Maine, United States
Metal 10 Panel Rivet-Connected Warren Through Truss, Movable: Vertical Lift and Approach Spans: Metal 10 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed
Length: 1,201 ft. Main Span: 297 ft. Roadway: 28 ft. Main Spans: 1
Built 1923 By: American Bridge Company of New York, New York and J. A. L. Waddell
!
General Sullivan Bridge
Little Bay Bridge
HSRNational HSR. Local HSR.

Rough Distance: 4.5 Miles (7.3 Kilometers)

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Non-Motorized Path (Old US-4 Alignment) Over Little Bay in Portsmouth and Dover: Rockingham County, New Hampshire and Strafford County, New Hampshire, United States
Metal Continuous (Arched) Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Polygonal Warren Deck Truss, Fixed
Length: 1,585 ft. Main Span: 275 ft. Roadway: 24 ft. Main Spans: 1
Built 1934 By: Lackawanna Steel Construction Corporation of Buffalo, New York and Crandrall Engineering Company of Cambridge, Massachusetts and Fay, Spofford, and Thorndike of Boston, Massachusetts

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.

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