US Bridges

I-81 NB over I-80 WB

Poor

Luzerne County, Pennsylvania · Butler Twp over I-80 WB · Structure no. 000000000023699

Built
1965
60 years old, rebuilt 1983
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
16,986
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 NB over I-80 WB is a prestressed concrete stringer/multi-beam or girder carrying I-81 NB over I-80 WB in Luzerne County, Pennsylvania. It was built in 1965 and reconstructed in 1983, so it is 60 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 16,986 vehicles a day, roughly 32% of them trucks, projected to reach 30,064 by 2032. The structure is 98 ft (29.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-81 NB
CrossesI-80 WB
LocationButler Twp over I-80 WB
RouteInterstate 81
Coordinates41.04683, -76.01293
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length98 ft (29.9 m)
Longest span95 ft (29 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,986 (2024)
Projected traffic30,064 by 2032
Trucks32%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$198,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 NB over I-80 WB built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1983.

What condition is I-81 NB over I-80 WB in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does I-81 NB over I-80 WB carry?

About 16,986 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is I-81 NB over I-80 WB?

The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29 m) and a deck 46 ft wide.

Who owns I-81 NB over I-80 WB?

It is owned by the State Highway Agency.