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Field Street Bridge

Photos 

MBTA - Field Street Bridge

HAER Photo

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BH Photo #471223

Map 

Description 

"The oldest (1894) and one of the least altered of a group of 5 similar single-intersection Warren pony truss bridges built for the NYNH&H RR in Brockton in the 1890s. All of these 5 bridges have unusual box-section upper chords and end posts with angles facing inward rather than outward. The outer profile of such an upper chord is a simple, flat-sided box studded with rivet heads--much more attractive than the standard upper-chord design with outward-facing angles. Metal truss bridges with upper chords of these type have never been common in Massachusetts - this is the oldest known example in the MDPW database." -S.J. Roper, 10/20/1987

Facts 

Overview
Pony truss bridge over MBTA on Field Street
Location
Brockton, Plymouth County, Massachusetts
Status
Open to traffic
History
Built 1894; replaced 1997
Builders
- Boston Bridge Works of Boston, Massachusetts
- W.H. Moore (engineer)
Railroads
- Massachusetts Bay Transportation Authority (MBTA)
- New York, New Haven & Hartford Railroad (NH)
- Old Colony Railroad (OC)
- Penn Central Railroad (PC)
Design
Warren pony truss with no verticals
Dimensions
Length of largest span: 70.0 ft.
Total length: 73.0 ft.
Deck width: 49.7 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+42.10512, -71.02097   (decimal degrees)
42°06'18" N, 71°01'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
19/332900/4663423 (zone/easting/northing)
Average daily traffic (as of 2017)
2,357
Inventory number
BH 89152 (Bridgehunter.com ID)
Inspection report (as of January 2017)
Overall condition: Good
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 91.7 (out of 100)
View more at BridgeReports.com

Update Log 

  • May 22, 2020: Updated by Ian Martin: Added MACRIS database info.
  • May 21, 2020: Updated by Ian Martin: Bridge has been replaced
  • April 28, 2020: New photos from Geoff Hubbs

Sources