20th Street over Abandoned Conrail


+39.96144, -75.17147
39°57'41" N, 75°10'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:20th Street over Abandoned Conrail
Structure number:000000000039125
Old structure number:677301002002680 (from 1992 edition)
Location:N.CALLOWHILL ST. 28E10
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:58.1 ft. [17.7 m]
Total length:63.0 ft. [19.2 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:
Owner:City or Municipal Highway Agency [04]
Year built:1898
Year reconstructed:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2015 

Status:Open, no restriction [A]
Average daily traffic:4,500 [as of 1980]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:76.9 tons [69.9 metric tons]
Inventory rating:45.9 tons [41.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201577.7Functionally obsoleteSatisfactoryGoodFair4500
March 201377.7Functionally obsoleteSatisfactoryGoodFair4500
March 201177.7Functionally obsoleteSatisfactoryGoodFair4500
March 200977.7Functionally obsoleteSatisfactoryGoodFair4500
March 200777.7Functionally obsoleteSatisfactoryGoodFair4500
March 200577.5Functionally obsoleteSatisfactoryGoodFair4500
March 200381.5Functionally obsoleteSatisfactoryGoodFair4500
March 200181.5Functionally obsoleteSatisfactoryGoodFair4500
March 199981.5Functionally obsoleteSatisfactoryGoodFair4500
March 199781.5Functionally obsoleteSatisfactoryGoodFair4500
March 199577.6Functionally obsoleteSatisfactoryGoodFair4500
March 199376.6Functionally obsoleteFairGoodFair4500
March 199161.4Functionally obsoleteFairSatisfactoryFair4500