US Bridges

SR 0081 I-81 SB over Tunkhannock Creek

Fair

Susquehanna County, Pennsylvania · Lenox Twp .1 M N TR 106 · Structure no. 000000000032196

Built
1961
64 years old, rebuilt 2009
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
10,315
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0081 I-81 SB over Tunkhannock Creek is a steel continuous stringer/multi-beam or girder carrying SR 0081 I-81 SB over Tunkhannock Creek in Susquehanna County, Pennsylvania. It was built in 1961 and reconstructed in 2009, 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 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 10,315 vehicles a day, roughly 31% of them trucks, projected to reach 14,609 by 2046. The structure is 177 ft (53.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 0081 I-81 SB
CrossesTunkhannock Creek
LocationLenox Twp .1 M N TR 106
RouteInterstate 81
CountySusquehanna County
StatePennsylvania
Coordinates41.71173, -75.67051
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length177 ft (53.9 m)
Longest span72 ft (21.9 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,315 (2024)
Projected traffic14,609 by 2046
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$591,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0081 I-81 SB over Tunkhannock Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2009.

What condition is SR 0081 I-81 SB over Tunkhannock 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 August 2024.

How much traffic does SR 0081 I-81 SB over Tunkhannock Creek carry?

About 10,315 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is SR 0081 I-81 SB over Tunkhannock Creek?

The structure is 177 ft (53.9 m) long with a longest span of 72 ft (21.9 m) and a deck 46 ft wide.

Who owns SR 0081 I-81 SB over Tunkhannock Creek?

It is owned by the State Highway Agency.