US Bridges

SR 0081 I-81 NB over SR 0492 TR 492

Fair

Susquehanna County, Pennsylvania · N Milford Twp over TR 492 · Structure no. 000000000032201

Built
1961
64 years old, rebuilt 1984
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
11,236
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0081 I-81 NB over SR 0492 TR 492 is a steel continuous stringer/multi-beam or girder carrying SR 0081 I-81 NB over SR 0492 TR 492 in Susquehanna County, Pennsylvania. It was built in 1961 and reconstructed in 1984, 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 11,236 vehicles a day, roughly 33% of them trucks, projected to reach 13,051 by 2032. The structure is 133 ft (40.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 0081 I-81 NB
CrossesSR 0492 TR 492
LocationN Milford Twp over TR 492
RouteInterstate 81
CountySusquehanna County
StatePennsylvania
Coordinates41.87004, -75.71668
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,236 (2023)
Projected traffic13,051 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$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0081 I-81 NB over SR 0492 TR 492 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1984.

What condition is SR 0081 I-81 NB over SR 0492 TR 492 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 July 2024.

How much traffic does SR 0081 I-81 NB over SR 0492 TR 492 carry?

About 11,236 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is SR 0081 I-81 NB over SR 0492 TR 492?

The structure is 133 ft (40.5 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns SR 0081 I-81 NB over SR 0492 TR 492?

It is owned by the State Highway Agency.