Structure 14223 · Dauphin County, PA

I-81 Sb; SR 0081 over Industrail Highway

Carries I-81 Sb; SR 0081 over Industrail Highway, Over Ind. Highway.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

156 ft end to end, longest span 78 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built197551 years old
Length155.8 ft47.5 m
Daily traffic30,166counted 2024
Last inspectedNovember 2022every 24 months

Location

StatePennsylvania
CountyDauphin
LocationOver Ind. Highway
CarriesI-81 Sb; SR 0081
CrossesIndustrail Highway
Coordinates40.30717, -76.88660

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length155.8 ft (47.5 m)
Max Span78.1 ft (23.8 m)
Deck Width82.7 ft (25.2 m)
Deck Area1,197 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic30,166 (2024)
Truck Traffic25%
Lanes On Bridge5
Lanes Under Bridge3

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000014223

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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