US Bridges

SR 0081 I-81 NB over Township RD 436

Fair

Susquehanna County, Pennsylvania · Lenox Twp .6 M N TR 374 · Structure no. 000000000032186

Built
1961
64 years old, rebuilt 2009
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
9,285
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0081 I-81 NB over Township RD 436 is a prestressed concrete box beam or girders - multiple carrying SR 0081 I-81 NB over Township RD 436 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 9,285 vehicles a day, roughly 36% of them trucks, projected to reach 14,323 by 2032. The structure is 32 ft (9.8 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 NB
CrossesTownship RD 436
LocationLenox Twp .6 M N TR 374
RouteInterstate 81
CountySusquehanna County
StatePennsylvania
Coordinates41.6578, -75.6645
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,285 (2023)
Projected traffic14,323 by 2032
Trucks36%
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$393,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0081 I-81 NB over Township RD 436 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 NB over Township RD 436 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 NB over Township RD 436 carry?

About 9,285 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is SR 0081 I-81 NB over Township RD 436?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.

Who owns SR 0081 I-81 NB over Township RD 436?

It is owned by the State Highway Agency.