Martin's Mill Road over CSX,SEPTA (NWTN BR)


+40.05723, -75.09346
40°03'26" N, 75°05'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Martin's Mill Road over CSX,SEPTA (NWTN BR)
Structure number:000000000039236
Old structure number:677301017001910 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:51.8 ft. [15.8 m]
Total length:112.9 ft. [34.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Vertical clearance above deck:19.7 ft. [6.0 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:15°
Owner:City or Municipal Highway Agency [04]
Year built:1999
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:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:6,800 [as of 1981]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.8 tons [89.8 metric tons]
Inventory rating:71.8 tons [65.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201472.7Functionally obsoleteVery GoodVery GoodGood6800
June 201272.7Functionally obsoleteVery GoodVery GoodVery Good6800
June 201072.7Functionally obsoleteExcellentVery GoodVery Good6800
June 200872.7Functionally obsoleteExcellentVery GoodVery Good6800
June 200674.7Not deficientExcellentVery GoodVery Good6800
June 200474.7Not deficientExcellentVery GoodVery Good6800
June 200278.8Not deficientExcellentVery GoodVery Good6800
June 200075.7Not deficientExcellentExcellentExcellent6800
June 19984.0Structurally deficientFairCriticalSerious6600
June 19962.0Structurally deficientFairCriticalSerious6600
June 19942.0Structurally deficientSatisfactorySeriousSerious6600
June 19922.0Structurally deficientSatisfactorySeriousSerious6600
June 19903.4Structurally deficientSatisfactoryPoorFair6600