US Bridges

Pa Tpk (I-76) over SR 0160 (lr 55045)

Fair

Somerset County, Pennsylvania · West of Allegheny Tunnel · Structure no. 000000000031824

Built
1939
86 years old, rebuilt 2003
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
29,452
1999 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 0160 (lr 55045) is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over SR 0160 (lr 55045) in Somerset County, Pennsylvania. It was built in 1939 and reconstructed in 2003, so it is 86 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 29,452 vehicles a day, roughly 36% of them trucks, projected to reach 34,323 by 2030. The structure is 71 ft (21.6 m) long and 99 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesPa Tpk (I-76)
CrossesSR 0160 (lr 55045)
LocationWest of Allegheny Tunnel
CountySomerset County
StatePennsylvania
Coordinates39.96833, -78.87167
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width99 ft (30.3 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,452 (1999)
Projected traffic34,323 by 2030
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR 0160 (lr 55045) built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2003.

What condition is Pa Tpk (I-76) over SR 0160 (lr 55045) 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 April 2023.

How much traffic does Pa Tpk (I-76) over SR 0160 (lr 55045) carry?

About 29,452 vehicles per day (1999 count), of which roughly 36% are trucks.

How long is Pa Tpk (I-76) over SR 0160 (lr 55045)?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 99 ft wide.

Who owns Pa Tpk (I-76) over SR 0160 (lr 55045)?

It is owned by the State Toll Authority.