US Bridges

I-81 Nb; SR 0081 over Pa 74;SR 0074

Fair

Cumberland County, Pennsylvania · I-81 over Pa 74 · Structure no. 000000000013682

Built
1962
63 years old, rebuilt 1994
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
1 main span
Daily traffic
26,143
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Nb; SR 0081 over Pa 74;SR 0074 is a prestressed concrete box beam or girders - multiple carrying I-81 Nb; SR 0081 over Pa 74;SR 0074 in Cumberland County, Pennsylvania. It was built in 1962 and reconstructed in 1994, 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 5 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 26,143 vehicles a day, roughly 33% of them trucks, projected to reach 34,186 by 2032. The structure is 140 ft (42.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-81 Nb; SR 0081
CrossesPa 74;SR 0074
LocationI-81 over Pa 74
RouteInterstate 81
Coordinates40.19331, -77.16403
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span72 ft (21.9 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,143 (2024)
Projected traffic34,186 by 2032
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Nb; SR 0081 over Pa 74;SR 0074 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1994.

What condition is I-81 Nb; SR 0081 over Pa 74;SR 0074 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 Pa 74;SR 0074 carry?

About 26,143 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is I-81 Nb; SR 0081 over Pa 74;SR 0074?

The structure is 140 ft (42.7 m) long with a longest span of 72 ft (21.9 m) and a deck 46 ft wide.

Who owns I-81 Nb; SR 0081 over Pa 74;SR 0074?

It is owned by the State Highway Agency.