PA TPK (I-476) over SM Brook & Aband. RR


+41.34833, -75.71000
41°20'54" N, 75°42'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PA TPK (I-476) over SM Brook & Aband. RR
Structure number:000000000020942
Purpose:Carries highway over railroad and waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Tolls:Yes, on toll road [2]
Length of largest span:115.2 ft. [35.1 m]
Total length:346.1 ft. [105.5 m]
Roadway width between curbs:28.5 ft. [8.7 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:39.4 ft. [12.0 m]
Skew angle:12°
Owner:State Toll Authority [31]
Year built:1955
Year reconstructed:1994
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:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,575 [as of 2001]
Truck traffic:16% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 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 replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:62.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,388,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairGoodSatisfactoryFair657562.5
July 2015FairGoodSatisfactoryFair657562.5
July 2013FairGoodGoodFair657564.5
July 2011FairGoodGoodFair657564.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.3,1802,87031000
Steel Protective Coatingsq. ft.47,19146,24109500
Reinforced Concrete Decksq. ft.19,87918,88999000
Wearing Surfacessq. ft.18,12918,129000
Reinforced Concrete Columneach87100
Reinforced Concrete Abutmentlinear ft.1941831010
Reinforced Concrete Pier Caplinear ft.122833900
Strip Seal Jointlinear ft.128884000
Movable Bearingeach1000100
Steel Protective Coatingsq. ft.120120000
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.120120000
Pot Bearingeach2020000
Steel Protective Coatingsq. ft.240240000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.95563631900