US Bridges

I-81 SB over Turnback 3040 Twp Road

Fair

Luzerne County, Pennsylvania · Butler Twp over Tb 3040 · Structure no. 000000000023694

Built
1965
60 years old, rebuilt 2009
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
15,765
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 SB over Turnback 3040 Twp Road is a prestressed concrete box beam or girders - multiple carrying I-81 SB over Turnback 3040 Twp Road in Luzerne County, Pennsylvania. It was built in 1965 and reconstructed in 2009, 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 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 15,765 vehicles a day, roughly 30% of them trucks, projected to reach 23,631 by 2046. The structure is 36 ft (11 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-81 SB
CrossesTurnback 3040 Twp Road
LocationButler Twp over Tb 3040
RouteInterstate 81
CountyLuzerne County
StatePennsylvania
Coordinates41.02731, -76.01057
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 inspectionFebruary 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,765 (2024)
Projected traffic23,631 by 2046
Trucks30%
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$279,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 SB over Turnback 3040 Twp Road built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2009.

What condition is I-81 SB over Turnback 3040 Twp Road 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 February 2024.

How much traffic does I-81 SB over Turnback 3040 Twp Road carry?

About 15,765 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is I-81 SB over Turnback 3040 Twp Road?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.

Who owns I-81 SB over Turnback 3040 Twp Road?

It is owned by the State Highway Agency.