US Bridges

Pa Tpk (I-76) over Trib to Coxes Creek

Fair

Somerset County, Pennsylvania · East of Somerset Inter. · Structure no. 000000000031804

Built
1939
86 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
30,880
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Trib to Coxes Creek is a concrete slab carrying Pa Tpk (I-76) over Trib to Coxes Creek in Somerset County, Pennsylvania. It was built in 1939 and reconstructed in 2004, 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 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 30,880 vehicles a day, roughly 36% of them trucks, projected to reach 36,560 by 2030. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesPa Tpk (I-76)
CrossesTrib to Coxes Creek
LocationEast of Somerset Inter.
RouteInterstate 76
Coordinates40.00888, -79.06751
Functional classUrban 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,880 (2008)
Projected traffic36,560 by 2030
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Trib to Coxes Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2004.

What condition is Pa Tpk (I-76) over Trib to Coxes 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 April 2023.

How much traffic does Pa Tpk (I-76) over Trib to Coxes Creek carry?

About 30,880 vehicles per day (2008 count), of which roughly 36% are trucks.

How long is Pa Tpk (I-76) over Trib to Coxes Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m).

Who owns Pa Tpk (I-76) over Trib to Coxes Creek?

It is owned by the State Toll Authority.