21st Street over Abandoned Conrail


+39.96194, -75.17333
39°57'43" N, 75°10'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:21st Street over Abandoned Conrail
Structure number:000000000039129
Old structure number:677301002102690 (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:80.1 ft. [24.4 m]
Total length:196.9 ft. [60.0 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:99°
Owner:City or Municipal Highway Agency [04]
Year built:1899
Year reconstructed:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans 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:5,800 [as of 1980]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:73.8 tons [67.1 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:90.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201590.6Functionally obsoleteSatisfactoryGoodSatisfactory5800
March 201390.6Functionally obsoleteSatisfactoryGoodSatisfactory5800
March 201190.6Functionally obsoleteSatisfactoryGoodSatisfactory5800
March 200990.6Functionally obsoleteSatisfactoryGoodSatisfactory5800
March 200790.6Functionally obsoleteSatisfactoryGoodSatisfactory5800
March 200594.6Not deficientSatisfactoryGoodSatisfactory5800
March 200394.6Not deficientSatisfactoryGoodSatisfactory5800
March 200194.6Not deficientSatisfactoryGoodSatisfactory5800
March 199994.6Not deficientSatisfactoryGoodSatisfactory5800
March 199794.6Not deficientSatisfactoryGoodSatisfactory5800
March 199594.7Not deficientSatisfactoryGoodSatisfactory5800
March 199394.7Not deficientSatisfactoryGoodSatisfactory5800
March 199189.6Functionally obsoleteFairGoodSatisfactory5800