US Bridges

SR 0081 I-81 NB over TR 438 & Tunkhannock Ck

Fair

Lackawanna County, Pennsylvania · Scott Twp over TR 438 · Structure no. 000000000020481

Built
1961
64 years old, rebuilt 2017
Condition
Fair
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
238 ft
4 main spans
Daily traffic
10,464
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0081 I-81 NB over TR 438 & Tunkhannock Ck is a prestressed concrete box beam or girders - multiple carrying SR 0081 I-81 NB over TR 438 & Tunkhannock Ck in Lackawanna County, Pennsylvania. It was built in 1961 and reconstructed in 2017, so it is 64 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 10,464 vehicles a day, roughly 35% of them trucks, projected to reach 14,403 by 2032. The structure is 238 ft (72.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 0081 I-81 NB
CrossesTR 438 & Tunkhannock Ck
LocationScott Twp over TR 438
RouteInterstate 81
Coordinates41.57677, -75.65371
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length238 ft (72.5 m)
Longest span76 ft (23.2 m)
Deck width51 ft (15.4 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,464 (2023)
Projected traffic14,403 by 2032
Trucks35%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$873,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0081 I-81 NB over TR 438 & Tunkhannock Ck built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2017.

What condition is SR 0081 I-81 NB over TR 438 & Tunkhannock Ck 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 October 2022.

How much traffic does SR 0081 I-81 NB over TR 438 & Tunkhannock Ck carry?

About 10,464 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is SR 0081 I-81 NB over TR 438 & Tunkhannock Ck?

The structure is 238 ft (72.5 m) long with a longest span of 76 ft (23.2 m) and a deck 51 ft wide.

Who owns SR 0081 I-81 NB over TR 438 & Tunkhannock Ck?

It is owned by the State Highway Agency.