US Bridges

I-81 Nb; SR 0081 over Letort Spring & Trail

Fair

Cumberland County, Pennsylvania · 0.2 Mi.N. of Pa 34 · Structure no. 000000000013672

Built
1962
63 years old, rebuilt 2010
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
255 ft
4 main spans
Daily traffic
32,063
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Nb; SR 0081 over Letort Spring & Trail is a prestressed concrete box beam or girders - multiple carrying I-81 Nb; SR 0081 over Letort Spring & Trail in Cumberland County, Pennsylvania. It was built in 1962 and reconstructed in 2010, so it is 63 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 32,063 vehicles a day, roughly 28% of them trucks, projected to reach 39,766 by 2032. The structure is 255 ft (77.7 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI-81 Nb; SR 0081
CrossesLetort Spring & Trail
Location0.2 Mi.N. of Pa 34
RouteInterstate 81
Coordinates40.1882, -77.18612
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span73 ft (22.3 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,063 (2024)
Projected traffic39,766 by 2032
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-81 Nb; SR 0081 over Letort Spring & Trail built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2010.

What condition is I-81 Nb; SR 0081 over Letort Spring & Trail 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 April 2024.

How much traffic does I-81 Nb; SR 0081 over Letort Spring & Trail carry?

About 32,063 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is I-81 Nb; SR 0081 over Letort Spring & Trail?

The structure is 255 ft (77.7 m) long with a longest span of 73 ft (22.3 m) and a deck 37 ft wide.

Who owns I-81 Nb; SR 0081 over Letort Spring & Trail?

It is owned by the State Highway Agency.