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MCKNIGHT RD over NELSON RUN ROAD

Map 

Coordinates:
+40.50494, -80.00909
40°30'18" N, 80°00'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:MCKNIGHT RD over NELSON RUN ROAD
Structure number:000000000001902
Old structure number:024003001017090 (from 1992 edition)
Location:PITTSBURGH,NELSON RUN RD.
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:99.1 ft. [30.2 m]
Total length:111.9 ft. [34.1 m]
Roadway width between curbs:61.0 ft. [18.6 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:47°
Owner:State Highway Agency [01]
Year built:1946
Year reconstructed:1999
Historic significance:Historical significance is not determinable at this time [4]
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:28,285 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:84.8 tons [77.1 metric tons]
Sufficiency rating:84.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201584.8Not deficientGoodVery GoodSatisfactory28285
May 201384.7Not deficientGoodVery GoodSatisfactory28597
May 201187.5Not deficientGoodVery GoodSatisfactory17515
May 200987.6Not deficientGoodVery GoodSatisfactory17418
May 200781.7Not deficientGoodVery GoodSatisfactory40182