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:24.9 ft. [7.6 m]
Vertical clearance below bridge:20.3 ft. [6.2 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 2016 

Good/Fair/Poor Condition:Poor
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:49.9 tons [45.4 metric tons]
Sufficiency rating:60.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201660.2PoorGoodSatisfactoryPoorSD9700
April 201460.2PoorGoodSatisfactoryPoorSD9700
April 201260.2PoorGoodSatisfactoryPoorSD9700
April 201061.2PoorGoodSatisfactoryPoorSD9700
April 200861.2PoorGoodSatisfactoryPoorSD9700
April 200661.2PoorGoodSatisfactoryPoorSD9700
April 200490.2FairGoodSatisfactorySatisfactory-9700
April 200292.3FairGoodSatisfactorySatisfactory-9700
April 200092.3FairGoodSatisfactorySatisfactory-9700
April 199892.3FairGoodSatisfactorySatisfactory-9700
April 199690.2FairGoodGoodSatisfactory-9700
April 199490.2FairGoodGoodSatisfactory-9700
April 199294.3GoodGoodGoodGood-9700
April 199094.3GoodGoodGoodGood-9700