Structure 14251 · Dauphin County, PA

I-81; SR 0081 over SR 2015 Manada Gap RD

Carries I-81; SR 0081 over SR 2015 Manada Gap RD, 1 Mi.e. Of Shellsville.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT103 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

103 ft end to end, longest span 35 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built1967rebuilt 1995
Length103.0 ft31.4 m
Daily traffic28,798counted 2024
Last inspectedSeptember 2024every 24 months

Location

StatePennsylvania
CountyDauphin
Location1 Mi.e. Of Shellsville
CarriesI-81; SR 0081
CrossesSR 2015 Manada Gap RD
Coordinates40.36996, -76.68602

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length103.0 ft (31.4 m)
Max Span35.1 ft (10.7 m)
Deck Width55.4 ft (16.9 m)
Deck Area530.7 sq m
Main Spans3
Year Built1967 (reconstructed 1995)

Traffic

Avg Daily Traffic28,798 (2024)
Truck Traffic35%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000014251

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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