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MNCW - Mianus River Bridge

Fairfield County, Connecticut

Photos 

Amtrak - Mianus River Bridge

Connecticut

Photo taken by Douglas Butler in June 2014

Enlarge

BH Photo #286079

Map 

Street View 

Description 

The original bridge was a two-track, deck truss structure of seven fixed spans andone-center pier movable span with two deck plate girder approach spans on the west end. The trusses on the west end were in good condition and were not restored at that time. The piers were widened on both sides by building on to the existing masonry, and the two additional trusses needed for four tracks were erected on the outside of the present trusses. On the east end, however, the old trusses were taken down and new piers were built for three spans identical with those on the east end. AS copied from "NATIONAL REGISTER OF HISTORIC PLACES INVENTORY - NOMINATION FORM"

Facts 

Overview
Deck girder bridge over Mianus River on Metro-North New Haven Line/Amtrak NEC
Location
Greenwich, Fairfield County, Connecticut
Status
Open to traffic
History
Built 1904, rehabilitated 1989
Builders
- American Bridge Co. of New York
- Berlin Iron Bridge Co. of East Berlin, Connecticut (Original Bridge)
- C. M. Ingersoll (Chief Engineer)
- Daly & Holbrook (Contactor)
- Scherzer Rolling Lift Bridge Co. of Chicago, Illinois
- W. H. Moore ( Engineers of Bridges)
Railroads
- Amtrak (AMTK)
- Commuter Rail
- Metro-North Commuter Railroad (MNCW)
- New York City Metropolitan Transit Authority (MTA)
- New York, New Haven & Hartford Railroad (NH)
- Northeast Corridor (NEC)
Design
Deck girder bascule with double-intersection Warren deck truss approaches
Dimensions
Length of largest span: 122.0 ft.
Total length: 1,089.0 ft.
Recognition
Posted to the National Register of Historic Places on June 12, 1987
Approximate latitude, longitude
+41.03072, -73.59390   (decimal degrees)
41°01'51" N, 73°35'38" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/618202/4543119 (zone/easting/northing)
Quadrangle map:
Stamford
Inventory numbers
CT 08008R (Connecticut bridge number)
NRHP 87000845 (National Register of Historic Places reference number)
BH 61478 (Bridgehunter.com ID)

Categories 

American Bridge Co. (1,370)
Amtrak (468)
Bascule (1,040)
Berlin Iron Bridge Co. (151)
Built 1903 (526)
Built during 1900s (6,800)
C. M. Ingersoll (4)
Commuter Rail (432)
Connecticut (695)
Daly & Holbrook (1)
Deck girder (5,048)
Deck truss (1,606)
Double-intersection Warren deck truss (83)
Double-intersection Warren truss (445)
Fairfield County, Connecticut (168)
Girder (9,140)
 Greenwich, Connecticut (6)
Have street view (25,415)
Metro-North Commuter Railroad (113)
Movable (2,849)
NR-listed (2,881)
Navigable waterway (2,091)
New York City Metropolitan Transit Authority (112)
New York, New Haven & Hartford Railroad (435)
Northeast Corridor (151)
Open (38,218)
Owned by railroad (11,104)
Scherzer Rolling Lift Bridge Co. (123)
Span length 100-125 feet (4,229)
Total length 1000-2500 feet (1,739)
Truss (31,249)
W. H. Moore (6)

Update Log 

  • December 7, 2016: New photo from Royce and Bobette Haley
  • October 28, 2015: New photo from Douglas Butler
  • October 10, 2014: Photo imported by Dave King
  • September 29, 2014: Updated by Royce and Bobette Haley: Added Original bridge at site-added contactor and builder for original and current bridge
  • July 24, 2014: Updated by Ian Martin: Added information on approach spans, changed owner to Metro-North
  • July 7, 2014: New Street View added by Ralph Demars
  • June 22, 2014: Added by Douglas Butler

Sources 

  • Douglas Butler
  • Ian Martin
  • ConnDOT
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com
  • HAER CT-11 - Northeast Railroad Corridor, Amtrak Route between New York/Connecticut & Connecticut/Rhode Island State Lines, New Haven, New Haven County, CT

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