US Bridges

Pa Tpk (I-76) over T-549

Fair

Beaver County, Pennsylvania · West Beaver-Butler Coline · Structure no. 000000000003837

Built
1952
73 years old, rebuilt 2006
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
22,663
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over T-549 is a prestressed concrete box beam or girders - multiple carrying Pa Tpk (I-76) over T-549 in Beaver County, Pennsylvania. It was built in 1952 and reconstructed in 2006, so it is 73 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 22,663 vehicles a day, roughly 28% of them trucks, projected to reach 32,679 by 2042. The structure is 32 ft (9.8 m) long and 73 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesPa Tpk (I-76)
CrossesT-549
LocationWest Beaver-Butler Coline
RouteInterstate 76
Coordinates40.72809, -80.16075
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width73 ft (22.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,663 (2022)
Projected traffic32,679 by 2042
Trucks28%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed21.1 mi (34 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$271,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over T-549 built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2006.

What condition is Pa Tpk (I-76) over T-549 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 May 2024.

How much traffic does Pa Tpk (I-76) over T-549 carry?

About 22,663 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Pa Tpk (I-76) over T-549?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 73 ft wide.

Who owns Pa Tpk (I-76) over T-549?

It is owned by the State Toll Authority.