18th Street over Abandoned Conrail


+39.96109, -75.16829
39°57'40" N, 75°10'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:18th Street over Abandoned Conrail
Structure number:000000000039112
Old structure number:677301001801030 (from 1992 edition)
Location:N.CALLOWHILL ST. 28F10
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:66.9 ft. [20.4 m]
Total length:86.0 ft. [26.2 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1898
Year reconstructed:1974
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:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:3,300 [as of 1980]
Deck condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.8 tons [64.4 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:85.8
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201585.8Functionally obsoleteFairGoodSatisfactory3300
January 201374.8Functionally obsoleteFairFairSatisfactory3300
January 201174.8Functionally obsoleteFairFairSatisfactory3300
January 200974.8Functionally obsoleteFairFairSatisfactory3300
January 200731.2Functionally obsoleteFairFairSatisfactory3300
March 200774.8Functionally obsoleteFairFairSatisfactory3300
January 200562.5Functionally obsoleteFairFairSatisfactory3300
January 200363.5Functionally obsoleteFairFairSatisfactory3300
January 200163.5Functionally obsoleteFairFairSatisfactory3300
January 199963.5Functionally obsoleteFairFairSatisfactory3300
January 199777.6Functionally obsoleteFairFairSatisfactory3300
January 199577.7Functionally obsoleteFairFairSatisfactory3300
January 199373.6Functionally obsoleteFairFairGood3300
January 199163.6Functionally obsoleteFairFairSatisfactory3300