US Bridges

Pa Tpk (I-76) over SR18 LR77

Fair

Beaver County, Pennsylvania · Beaver Valley Interchange · Structure no. 000000000003819

Built
1952
73 years old, rebuilt 1994
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
87 ft
1 main span
Daily traffic
21,390
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR18 LR77 is a concrete frame carrying Pa Tpk (I-76) over SR18 LR77 in Beaver County, Pennsylvania. It was built in 1952 and reconstructed in 1994, 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 21,390 vehicles a day, roughly 28% of them trucks, projected to reach 30,843 by 2030. The structure is 87 ft (26.5 m) long and 97 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR18 LR77
LocationBeaver Valley Interchange
RouteInterstate 76
CountyBeaver County
StatePennsylvania
Coordinates40.81404, -80.32502
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
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 inspectionApril 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span76 ft (23.2 m)
Deck width97 ft (29.7 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,390 (2001)
Projected traffic30,843 by 2030
Trucks28%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR18 LR77 built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1994.

What condition is Pa Tpk (I-76) over SR18 LR77 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 2024.

How much traffic does Pa Tpk (I-76) over SR18 LR77 carry?

About 21,390 vehicles per day (2001 count), of which roughly 28% are trucks.

How long is Pa Tpk (I-76) over SR18 LR77?

The structure is 87 ft (26.5 m) long with a longest span of 76 ft (23.2 m) and a deck 97 ft wide.

Who owns Pa Tpk (I-76) over SR18 LR77?

It is owned by the State Toll Authority.