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Industrial Highway Bridge

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Description 

From Historic Bridge Inventory

The 5 span, 325'-long steel stringer bridge built in 1943 is composed of one, 3-span continuous span (1 @ 71',85',71') and 2 simply supported spans of 47'-long each. The bridge is supported on concrete abutments and concrete bent piers. It has Moderne-style concrete parapets with horizontal scoring, a concrete deck, and concrete diaphragms. The beams have riveted splice plates. The continuous design was an important improvement in steel stringer bridge design that was first applied in limited numbers by the state highway department in the late 1930s and early 1940s, and was used frequently after World War II. The continuous steel stringer designs achieved economy of material in comparison to simply supported spans of similar length. They proved extremely adaptable to bridge building conditions in Pennsylvania and throughout the nation because of their economy of material, ease of erection, permanence, and deck joint reduction. The SR 291 bridge is noteworthy as a complete and early, prototypical example of the continuous steel stringer bridges designed by the state highway department's bridge unit.

Facts 

Overview
Steel stringer bridge over Darby Creek on Governor Printz Bl
Location
Delaware County, Pennsylvania
Status
Open to traffic
History
Built 1943
Design
Steel stringer
Dimensions
Length of largest span: 85.0 ft.
Total length: 325.1 ft.
Deck width: 56.4 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+39.86611, -75.31389   (decimal degrees)
39°51'58" N, 75°18'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/473154/4412944 (zone/easting/northing)
Quadrangle map:
Bridgeport
Average daily traffic (as of 2017)
12,894
Inventory numbers
PA 23 0291 0140 0000 (Pennsylvania Bridge Management System number)
PANBI 14959 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 50387 (Bridgehunter.com ID)
Inspection report (as of 2051)
Overall condition: Fair
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Excellent (9 out of 9)
Sufficiency rating: 78 (out of 100)
View more at BridgeReports.com

Update Log 

  • December 1, 2011: Added by Nathan Holth