US Bridges

I-81 Nb; SR 0081 over Conodoguinet Creek

Fair

Cumberland County, Pennsylvania · 1.5 Mi.N. of US 11 · Structure no. 000000000013699

Built
1969
56 years old, rebuilt 2015
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
397 ft
5 main spans
Daily traffic
33,606
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Nb; SR 0081 over Conodoguinet Creek is a prestressed concrete stringer/multi-beam or girder carrying I-81 Nb; SR 0081 over Conodoguinet Creek in Cumberland County, Pennsylvania. It was built in 1969 and reconstructed in 2015, so it is 56 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 33,606 vehicles a day, roughly 28% of them trucks, projected to reach 44,966 by 2032. The structure is 397 ft (121 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-81 Nb; SR 0081
CrossesConodoguinet Creek
Location1.5 Mi.N. of US 11
RouteInterstate 81
CountyCumberland County
StatePennsylvania
Coordinates40.25714, -77.06561
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length397 ft (121 m)
Longest span78 ft (23.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,606 (2024)
Projected traffic44,966 by 2032
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-81 Nb; SR 0081 over Conodoguinet Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2015.

What condition is I-81 Nb; SR 0081 over Conodoguinet Creek 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 May 2024.

How much traffic does I-81 Nb; SR 0081 over Conodoguinet Creek carry?

About 33,606 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is I-81 Nb; SR 0081 over Conodoguinet Creek?

The structure is 397 ft (121 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.

Who owns I-81 Nb; SR 0081 over Conodoguinet Creek?

It is owned by the State Highway Agency.