US Bridges

I-81 Sb; SR 0081 over SR 3015

Fair

Dauphin County, Pennsylvania · 1 Mi. N. Progress · Structure no. 000000000014227

Built
1969
56 years old, rebuilt 2003
Condition
Fair
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
185 ft
4 main spans
Daily traffic
45,612
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Sb; SR 0081 over SR 3015 is a prestressed concrete box beam or girders - multiple carrying I-81 Sb; SR 0081 over SR 3015 in Dauphin County, Pennsylvania. It was built in 1969 and reconstructed in 2003, so it is 56 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45,612 vehicles a day, roughly 22% of them trucks, projected to reach 61,389 by 2032. The structure is 185 ft (56.4 m) long and 67 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-81 Sb; SR 0081
CrossesSR 3015
Location1 Mi. N. Progress
RouteInterstate 81
CountyDauphin County
StatePennsylvania
Coordinates40.30378, -76.85012
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating31 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span59 ft (18 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,612 (2024)
Projected traffic61,389 by 2032
Trucks22%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$403,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Sb; SR 0081 over SR 3015 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.

What condition is I-81 Sb; SR 0081 over SR 3015 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2022.

How much traffic does I-81 Sb; SR 0081 over SR 3015 carry?

About 45,612 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is I-81 Sb; SR 0081 over SR 3015?

The structure is 185 ft (56.4 m) long with a longest span of 59 ft (18 m) and a deck 67 ft wide.

Who owns I-81 Sb; SR 0081 over SR 3015?

It is owned by the State Highway Agency.