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Boston Bridge

Photo taken by Karen Bittinger in June 9, 2012

Overview: Through truss bridge over Youghiogheny River on Walnut Street
Location: Allegheny County, Pennsylvania
Status: Open to traffic
History: Built 1931; rehabilitated 1989
Builder: - Fort Pitt Bridge Works of Pittsburgh, Pennsylvania
Design: Cantilevered Warren through truss
Dimensions: Length of largest span: 420.0 ft.
Total length: 1,182.1 ft.
Deck width: 29.5 ft.
Vertical clearance above deck: 21.7 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +40.31270, -79.82830 (decimal degrees)
40°18'46" N, 79°49'42" W (degrees°minutes'seconds")
Approximate UTM coordinates: 17/599846/4462642 (zone/easting/northing)
USGS topographic map: McKeesport
Inventory numbers: PA 02 0048 0130 0203 (Pennsylvania Bridge Management System number)
PANBI 00684 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30220 (Bridgehunter.com ID)
Inspection (as of 07/2009): Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 16.3 (out of 100)
Average daily traffic (as of 2008): 17,121

Boston Bridge

Posted July 17, 2008, by kayandjay.net (kayandjay [dot] net)

Is this really a Warren Truss?