School Street Bridge

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View from NW corner

Photo taken by Ian Martin in April 2017

Overview: Stone arch bridge over Stony Brook on School Street in Chelmsford
Location: Middlesex County, Massachusetts
Status: Open to traffic
History: Built 1850
Design: Stone arch
Dimensions: Length of largest span: 18.0 ft.
Total length: 40.0 ft.
Deck width: 26.2 ft.
Approximate latitude, longitude: +42.61778, -71.40306 (decimal degrees)
42°37'04" N, 71°24'11" W (degrees°minutes'seconds")
Approximate UTM coordinates: 19/302916/4721170 (zone/easting/northing)
Quadrangle map:: Westford
Inventory numbers: MA C08005 (Massachusetts bridge number)
BH 19392 (Bridgehunter.com ID)
Inspection (as of 09/2015): Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 66.5 (out of 100)
Average daily traffic (as of 2011): 3,600