The Norwalk River Railroad Bridge (also known as the Walk Bridge) is a

swing bridge A swing bridge (or swing span bridge) is a movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pi ...

built in 1896 for the

New York, New Haven and Hartford Railroad The New York, New Haven and Hartford Railroad , commonly known as The Consolidated, or simply as the New Haven, was a railroad that operated in the New England region of the United States from 1872 to December 31, 1968. Founded by the merger of ...

. It currently carries

Amtrak The National Railroad Passenger Corporation, doing business as Amtrak () , is the national passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous U.S. States and nine cities in Canada ...

and Metro-North Railroad trains over the

Norwalk River The Norwalk River is a river in southwestern Connecticut, United States, approximately long.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 The word "Norwalk" comes from t ...

. The current swing bridge is located at the same site where, in 1853, a train from New York City plummeted into the river while the previous swing bridge was open, resulting in dozens of deaths. In 1896, the New Haven Railroad built the bridge and widened its route to four tracks, as it simultaneously built its South Norwalk Railroad Bridge over the intersection of Washington Street with North Main and South Main streets. The span, with a rotating swing span long was provided by the Berlin Iron Bridge Co. This type of swing bridge is one of just two on the Northeast Corridor. and The swing span has a rim-bearing system of 96 rollers, allowing tall vessels to pass by. The span is one of only 13 of the company's bridges (and one of only two railroad bridges) that survive in the state as of August 2001. In 1907 the

rail line Rail terminology is a form of technical terminology. The difference between the American term ''railroad'' and the international term ''railway'' (used by the International Union of Railways and English-speaking countries outside the United Sta ...

was electrified with overhead catenary wires, which form a prominent feature of the bridge today. It is or was also known as Norwalk River Bridge. It was added to the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...

in 1987. It is one of eight moveable bridges on the Amtrak route through Connecticut surveyed in one multiple property study in 1986. The eight bridges from west to east are: Mianus River Railroad Bridge at Cos Cob, built in 1904; the Norwalk River Railroad Bridge at Norwalk, 1896; Saugatuck River Railroad Bridge at Westport, 1905; Pequonnock River Railroad Bridge at Bridgeport, 1902;

Housatonic River Railroad Bridge The Housatonic River Railroad Bridge is a historic bridge carrying Metro-North Railroad's New Haven Line trackage across the lower Housatonic River in the U.S. state of Connecticut. The bridge is also used by Amtrak for its Northeast Corridor servi ...

, at Devon, 1905; Connecticut River Railroad Bridge, Old Saybrook-Old Lyme, 1907; Niantic River Bridge, East Lyme-Waterford, 1907; and Thames River Bridge (Amtrak), Groton, built in 1919. As a single movable span with aging mechanical mechanisms, the Norwalk River Bridge represents a frequent point of failure for Amtrak and Metro-North service and has been targeted for replacement with dual movable spans. The final design approved for the new Walk Bridge calls for a dual-span

vertical-lift bridge A vertical-lift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. The vertical lift offers several benefits over other movable bridges such as the bascule and sw ...

References

External links

Walk Bridge Program
- Connecticut Department of Transportation {{National Register of Historic Places, state=collapsed Railroad bridges on the National Register of Historic Places in Connecticut Bridges completed in 1896 Buildings and structures in Norwalk, Connecticut Bridges in Fairfield County, Connecticut Amtrak bridges Railroad bridges in Connecticut Swing bridges in the United States New York, New Haven and Hartford Railroad bridges Drawbridges on the National Register of Historic Places National Register of Historic Places in Fairfield County, Connecticut

See also

References

External links