70th Street over SEPTA (AHSL)


+39.90910, -75.22920
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: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 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:9,700 [as of 1977]
Deck condition:Satisfactory [6 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]
Sufficiency rating:60.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018PoorSatisfactorySatisfactoryPoor970060.2
April 2016PoorGoodSatisfactoryPoor970060.2
April 2014PoorGoodSatisfactoryPoor970060.2
April 2012PoorGoodSatisfactoryPoor970060.2
April 2010PoorGoodSatisfactoryPoor970061.2
April 2008PoorGoodSatisfactoryPoor970061.2
April 2006PoorGoodSatisfactoryPoor970061.2
April 2004FairGoodSatisfactorySatisfactory970090.2
April 2002FairGoodSatisfactorySatisfactory970092.3
April 2000FairGoodSatisfactorySatisfactory970092.3
April 1998FairGoodSatisfactorySatisfactory970092.3
April 1996FairGoodGoodSatisfactory970090.2
April 1994FairGoodGoodSatisfactory970090.2
April 1992GoodGoodGoodGood970094.3
April 1990GoodGoodGoodGood970094.3