Map 

Vicinity Map

Vicinity map

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Facts 

Overview
Vertical lift bridge over Piscataqua River on US 1 Bypass in Portsmouth
Location
Portsmouth, Rockingham County, New Hampshire
Status
Open to traffic
History
Built 1940; rehabilitated 1991
Design
Vertical lift
Dimensions
Length of largest span: 227.0 ft.
Total length: 2,804.3 ft.
Deck width: 29.9 ft.
Vertical clearance above deck: 16.1 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+43.08472, -70.76167   (decimal degrees)
43°05'05" N, 70°45'42" W   (degrees°minutes'seconds")
Inventory number
BH 25016 (Bridgehunter.com ID)
Inspection (as of 11/2006)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 12.8 (out of 100)
Average daily traffic (as of 2004)
14,000