Norwalk River Railroad Bridge

The Norwalk River Railroad Bridge (also known as the Walk Bridge) is a swing bridge built in 1896 for the New York, New Haven and Hartford Railroad. It currently carries Amtrak and Metro-North Railroad trains over the Norwalk River.

Not to be confused with South Norwalk Railroad Bridge.
Norwalk River Railroad Bridge
Close up of bridge, in 2007
LocationNorwalk, Connecticut
Coordinates41°6′2″N 73°24′57″W
Area1 acre (0.40 ha)
Built1896
Architectural styleRim Bearing, Swing
MPSMovable Railroad Bridges on the NE Corridor in Connecticut TR
NRHP reference No.87000844[1]
Added to NRHPJune 12, 1987

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 562-foot (171 m) span, with a rotating swing span 202 feet (62 m) long was provided by the Berlin Iron Bridge Co. This type of swing bridge is one of just two on the Northeast Corridor.[2] The swing span has a rim-bearing system of 96 rollers, allowing tall vessels to pass by.[3] 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 was electrified with overhead catenary wires, which form a prominent feature of the bridge today.[3] It is or was also known as Norwalk River Bridge.[2] It was added to the National Register of Historic Places in 1987.[1]

It is one of eight moveable bridges on the Amtrak route through Connecticut surveyed in one multiple property study in 1986.[4] 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, 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.[5]

See also

References
  1. "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. Anne Baggerman (August 10, 1977). "National Register of Historic Places Inventory-Nomination: Norwalk River Railroad Bridge". National Park Service. and Accompanying two photos, from 1986
  3. "Norwalk River Railroad Bridge". Public Archeology Survey Team. Archived from the original on 2008-07-03. Retrieved 2006-09-12.
  4. Bruce Clouette, Matthew Roth and John Herzan (February 4, 1986). "Movable Railroad Bridges on the NE Corridor in Connecticut TR". National Park Service. Retrieved February 26, 2016.
  5. "Walk Bridge Program".

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