US Bridges

I-81 Sb; SR 0081 over Pa 34; SR 0034

Fair

Cumberland County, Pennsylvania · I-81 over Pa 34 · Structure no. 000000000013676

Built
1962
63 years old, rebuilt 1987
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
30,744
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Sb; SR 0081 over Pa 34; SR 0034 is a prestressed concrete box beam or girders - multiple carrying I-81 Sb; SR 0081 over Pa 34; SR 0034 in Cumberland County, Pennsylvania. It was built in 1962 and reconstructed in 1987, 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 30,744 vehicles a day, roughly 29% of them trucks, projected to reach 39,979 by 2032. The structure is 71 ft (21.6 m) long and 52 ft wide.

CarriesI-81 Sb; SR 0081
CrossesPa 34; SR 0034
LocationI-81 over Pa 34
RouteInterstate 81
Coordinates40.188, -77.19112
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span71 ft (21.6 m)
Deck width52 ft (15.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,744 (2024)
Projected traffic39,979 by 2032
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$143,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Sb; SR 0081 over Pa 34; SR 0034 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1987.

What condition is I-81 Sb; SR 0081 over Pa 34; SR 0034 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 Sb; SR 0081 over Pa 34; SR 0034 carry?

About 30,744 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is I-81 Sb; SR 0081 over Pa 34; SR 0034?

The structure is 71 ft (21.6 m) long with a longest span of 71 ft (21.6 m) and a deck 52 ft wide.

Who owns I-81 Sb; SR 0081 over Pa 34; SR 0034?

It is owned by the State Highway Agency.