US Bridges

Pa Tpk (I-76) over Branch of Coxes Creek

Fair

Somerset County, Pennsylvania · Somerset · Structure no. 000000000031801

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

About this bridge

Pa Tpk (I-76) over Branch of Coxes Creek is a concrete tee beam carrying Pa Tpk (I-76) over Branch of 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 39 ft (11.9 m) long and 104 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa Tpk (I-76)
CrossesBranch of Coxes Creek
LocationSomerset
RouteInterstate 70
Coordinates40.01589, -79.07479
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 within limits of footing or piles
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 rating79 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width104 ft (31.6 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$228,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Branch of 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 Branch of 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 Branch of 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 Branch of Coxes Creek?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 104 ft wide.

Who owns Pa Tpk (I-76) over Branch of Coxes Creek?

It is owned by the State Toll Authority.