US Bridges

I-81 NB over W. Foothills Drive

Poor

Luzerne County, Pennsylvania · Butler Twp 2 M N TR 93 · Structure no. 000000000023687

Built
1965
60 years old, rebuilt 1993
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
3 main spans
Daily traffic
14,586
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 NB over W. Foothills Drive is a prestressed concrete box beam or girders - multiple carrying I-81 NB over W. Foothills Drive in Luzerne County, Pennsylvania. It was built in 1965 and reconstructed in 1993, 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 3 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 14,586 vehicles a day, roughly 33% of them trucks, projected to reach 21,996 by 2032. The structure is 127 ft (38.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-81 NB
CrossesW. Foothills Drive
LocationButler Twp 2 M N TR 93
RouteInterstate 81
Coordinates40.99973, -76.00814
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length127 ft (38.7 m)
Longest span45 ft (13.7 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,586 (2024)
Projected traffic21,996 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$449,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 NB over W. Foothills Drive built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1993.

What condition is I-81 NB over W. Foothills Drive 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 March 2024.

How much traffic does I-81 NB over W. Foothills Drive carry?

About 14,586 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is I-81 NB over W. Foothills Drive?

The structure is 127 ft (38.7 m) long with a longest span of 45 ft (13.7 m) and a deck 46 ft wide.

Who owns I-81 NB over W. Foothills Drive?

It is owned by the State Highway Agency.