Historic Bridges
of the United States
Merrimack River Bridge
Hillsborough County
,
New Hampshire
Overview
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Terraserver USA
Facts
Overview
Deck truss bridge over Merrimack River on US 3/NH 3A in Manchester
Location
Manchester
,
Hillsborough County
,
New Hampshire
Status
Open to traffic
History
Built 1923; rehabilitated 1995
Design
Deck truss
Dimensions
Length of largest span: 153.9 ft.
Total length: 1,190.0 ft.
Deck width: 49.2 ft.
Approximate latitude, longitude
+42.97417, -71.47167
(decimal degrees)
42°58'27" N, 71°28'18" W
(degrees°minutes'seconds")
Inventory number
BH 24960
(Bridgehunter.com ID)
Inspection
Average daily traffic
(as of 1992)
53,000
Categories
Built 1923
(282)
Built during 1920s
(4,025)
Deck truss
(533)
Functionally obsolete
(5,063)
Hillsborough County, New Hampshire
(46)
Manchester, New Hampshire
(6)
Merrimack River
(16)
New Hampshire
(237)
Open
(21,591)
Owned by state
(6,524)
Span length 125-175 feet
(1,989)
Total length 1000-2500 feet
(696)
Truss
(15,739)
US 3
(10)
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