US Bridges

I-81 Nb; SR 0081 over Pa 316; SR 0316

Fair

Franklin County, Pennsylvania · Wayne Ave. Chambersburg · Structure no. 000000000017381

Built
1963
62 years old, rebuilt 2010
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
21,737
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Nb; SR 0081 over Pa 316; SR 0316 is a prestressed concrete stringer/multi-beam or girder carrying I-81 Nb; SR 0081 over Pa 316; SR 0316 in Franklin County, Pennsylvania. It was built in 1963 and reconstructed in 2010, so it is 62 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 21,737 vehicles a day, roughly 32% of them trucks, projected to reach 31,725 by 2032. The structure is 142 ft (43.3 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-81 Nb; SR 0081
CrossesPa 316; SR 0316
LocationWayne Ave. Chambersburg
RouteInterstate 81
CountyFranklin County
StatePennsylvania
Coordinates39.90913, -77.64856
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span71 ft (21.6 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,737 (2024)
Projected traffic31,725 by 2032
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$585,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Nb; SR 0081 over Pa 316; SR 0316 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2010.

What condition is I-81 Nb; SR 0081 over Pa 316; SR 0316 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 February 2024.

How much traffic does I-81 Nb; SR 0081 over Pa 316; SR 0316 carry?

About 21,737 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is I-81 Nb; SR 0081 over Pa 316; SR 0316?

The structure is 142 ft (43.3 m) long with a longest span of 71 ft (21.6 m) and a deck 57 ft wide.

Who owns I-81 Nb; SR 0081 over Pa 316; SR 0316?

It is owned by the State Highway Agency.