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The new two-lane concrete slab bridge allowed a 55 miles per hour (89 km/h) speed limit, an improvement to the former bridge's 25 miles per hour (40 km/h) speed limit. In 1995 a second parallel bridge was constructed to alleviate traffic, which became the westbound bridge. The older eastbound bridge was reconstructed in 1997.
The bridge cost $2.4 million to construct and was dedicated in honor of Sam Hill during its opening ceremonies on November 1, 1962. [4] [5] It was initially a toll bridge charging $1 per vehicle, [4] but the tolls were removed in February 1975. [6] The bridge was closed during part of 2007–2008 in order to complete repairs to the deck.
The bridge cost $14 million (equivalent to $21.6 million in 2023 [1]) and was part of an approximately $520 million (equivalent to $804 million in 2023 [1]) I-94 improvements. The unique design meant that the cost was $2 million (equivalent to $3.1 million in 2023 [ 1 ] ) higher than conventional plate-girder bridges, causing public controversy.
Photo of Fernbridge bridge, now the longest reinforced concrete bridge still in use, then called Eel River bridge, Humboldt County, California, United States. c. 1912. Fernbridge (bridge), Fernbridge (near Ferndale) Foresthill Bridge, Auburn; Golden Gate Bridge, San Francisco Bay Area; Muir Trestle, Martinez
Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. [1] No moments are transferred throughout the support, hence their structural type is known as simply supported. The simplest beam bridge could be a log (see log bridge), a wood plank, or a stone slab (see clapper bridge) laid
The bridge, also known as the Natchez Trace Parkway Arches, is the first segmentally constructed concrete arch bridge in the United States. [2] The arches comprise 122 hollow box segments precast in nearby Franklin, each of which was about 9.8 ft (3.0 m) long and weighed between 29 and 45 short tons. [2]
The Fleming Park Bridge is a through truss bridge which spans the back channel of the Ohio River, between Neville Island and Stowe Township, PA.Although the Ohio River's back channel is only 590 feet wide, roughly 660 feet of this newer bridge was erected over water due to the unique 65-degree angle of the structure's trajectory.
Steel stringer: CR 681 over Stop the Jade Run part of the Vincentown Historic District: 1915 1988-09-21 Southampton Township: Burlington: Stringer: Dock Bridge: 1935 1980-10-03 Newark: Essex: Through-truss lift: Draw Bridge at New Bridge part of Historic New Bridge Landing