US Bridges

I-81; SR 0081 over SR 3009 NB Front ST

Fair

Dauphin County, Pennsylvania · Susquehanna Twp. · Structure no. 000000000014217

Built
1972
53 years old, rebuilt 2000
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
67,324
2024 count
Owner
State
State Highway Agency

About this bridge

I-81; SR 0081 over SR 3009 NB Front ST is a prestressed concrete stringer/multi-beam or girder carrying I-81; SR 0081 over SR 3009 NB Front ST in Dauphin County, Pennsylvania. It was built in 1972 and reconstructed in 2000, so it is 53 years old, younger 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 67,324 vehicles a day, roughly 24% of them trucks, projected to reach 115,000 by 2032. The structure is 108 ft (32.9 m) long and 108 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-81; SR 0081
CrossesSR 3009 NB Front ST
LocationSusquehanna Twp.
RouteInterstate 81
CountyDauphin County
StatePennsylvania
Coordinates40.31167, -76.9
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span106 ft (32.3 m)
Deck width108 ft (32.9 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,324 (2024)
Projected traffic115,000 by 2032
Trucks24%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81; SR 0081 over SR 3009 NB Front ST built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2000.

What condition is I-81; SR 0081 over SR 3009 NB Front ST 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; SR 0081 over SR 3009 NB Front ST carry?

About 67,324 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is I-81; SR 0081 over SR 3009 NB Front ST?

The structure is 108 ft (32.9 m) long with a longest span of 106 ft (32.3 m) and a deck 108 ft wide.

Who owns I-81; SR 0081 over SR 3009 NB Front ST?

It is owned by the State Highway Agency.