70th Street over SEPTA (AHSL)


+39.90922, -75.22921
39°54'33" N, 75°13'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:70th Street over SEPTA (AHSL)
Structure number:000000000039246
Old structure number:677301020003720 (from 1992 edition)
Location:S of Lindbergh Blv 36F07
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:77.1 ft. [23.5 m]
Total length:77.1 ft. [23.5 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:76.4 ft. [23.3 m]
Vertical clearance above deck:26.2 ft. [8.0 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:30°
Owner:City or Municipal Highway Agency [04]
Year built:1980
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:9,700 [as of 1977]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:87.8 tons [79.8 metric tons]
Inventory rating:49.8 tons [45.3 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:60.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201460.2Structurally deficientGoodSatisfactoryPoor9700
April 201260.2Structurally deficientGoodSatisfactoryPoor9700
April 201061.2Structurally deficientGoodSatisfactoryPoor9700
April 200861.2Structurally deficientGoodSatisfactoryPoor9700
April 200661.2Structurally deficientGoodSatisfactoryPoor9700
April 200490.2Not deficientGoodSatisfactorySatisfactory9700
April 200292.3Not deficientGoodSatisfactorySatisfactory9700
April 200092.3Not deficientGoodSatisfactorySatisfactory9700
April 199892.3Not deficientGoodSatisfactorySatisfactory9700
April 199690.2Not deficientGoodGoodSatisfactory9700
April 199490.2Not deficientGoodGoodSatisfactory9700
April 199294.3Not deficientGoodGoodGood9700
April 199094.3Not deficientGoodGoodGood9700