US Bridges

I-81;SR 0081 over Aire Run

Fair

Lebanon County, Pennsylvania · 2 Mi.E. of Exit #85 · Structure no. 000000000022648

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
54,361
2024 count
Owner
State
State Highway Agency

About this bridge

I-81;SR 0081 over Aire Run is a concrete culvert carrying I-81;SR 0081 over Aire Run in Lebanon County, Pennsylvania. It was built in 1967, so it is 58 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 54,361 vehicles a day, roughly 44% of them trucks, projected to reach 64,630 by 2032. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesI-81;SR 0081
CrossesAire Run
Location2 Mi.E. of Exit #85
RouteInterstate 81
CountyLebanon County
StatePennsylvania
Coordinates40.41724, -76.55385
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,361 (2024)
Projected traffic64,630 by 2032
Trucks44%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$943,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-81;SR 0081 over Aire Run built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-81;SR 0081 over Aire Run 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 November 2023.

How much traffic does I-81;SR 0081 over Aire Run carry?

About 54,361 vehicles per day (2024 count), of which roughly 44% are trucks.

How long is I-81;SR 0081 over Aire Run?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m).

Who owns I-81;SR 0081 over Aire Run?

It is owned by the State Highway Agency.