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Length Type Carries Crosses Opened Location State Ref. 1: Tacoma Narrows Bridge (1940) collapsed in 1940: 853 m (2,800 ft) 1,810 m (5,940 ft) Suspension Steel girder deck, steel pylons 2 lanes 335+853+335
Longer bridges can reduce the width of both shoulders to 4 feet (1.2 m). Existing bridges can remain part of the Interstate system if they have at least 12-foot-wide (3.7 m) lanes with 3.5-foot (1.1 m) shoulder on the left and a 10-foot (3.0 m) shoulder on the right, except that longer bridges can have 3.5 feet (1.1 m) shoulders on both sides.
The NBI can classify bridges as "structurally deficient," which means that the condition of the bridge includes a significant defect, which often means that speed or weight limits must be put on the bridge to ensure safety; a rating of 4 or lower on any of items 58, 59, 60, or 62 (deck, superstructure, substructure, and culverts, respectively ...
The Autoroute A40 is a motorway in France that extends from Mâcon on the west to Passy on the east, terminating not far from Chamonix and the Mont Blanc Tunnel. The road runs 208 kilometres (129 mi) through Bresse , the high southern Jura Mountains , northern Prealps and French Alps .
Around 46,100 of the 617,000 bridges across the United States, or 7.5% of all bridges, are considered structurally deficient and are in poor condition, according to the American Society of Civil ...
The Federal-Aid Highway Act of 1968 (Public Law 90-495; 82 Stat. 815) is legislation enacted by the United States Congress and signed into law on August 24, 1968, which expanded the Interstate Highway System by 1,500 miles (2,400 km); provided funding for new interstate, primary, and secondary roads in the United States; explicitly applied the environmental protections of the Department of ...
Foresthill Bridge: American River: 1973: California: 700 ft (213.4 m) Glen Canyon Dam Bridge: Colorado River: 1959: Arizona: Phil G. McDonald Bridge (Glade Creek Bridge) Glade Creek: 1988: West Virginia: 565 ft (172.2 m) Rio Grande Gorge Bridge: Rio Grande: 1965: New Mexico: 486 ft (148.1 m) Perrine Bridge: Snake River: 1976: Idaho: 470 ft (143 ...
The A40 is a trunk road which runs between London and Goodwick (), Wales, and officially called The London to Fishguard Trunk Road (A40) in all legal documents and Acts. Much of its length within England has been superseded by motorways, such as the M40, and has lost its trunk road status, though it retains it west of Gloucester, including its length within Wales.