US Bridges

Pa Turnpike (I-76) over Tr.Sewickley Creek

Fair

Westmoreland County, Pennsylvania · West of Old Stanton · Structure no. 000000000036834

Built
1939
86 years old, rebuilt 2009
Condition
Fair
inspected June 2022
Type
Culvert
Concrete
Length
38 ft
1 main span
Daily traffic
34,735
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Turnpike (I-76) over Tr.Sewickley Creek is a concrete culvert carrying Pa Turnpike (I-76) over Tr.Sewickley Creek in Westmoreland County, Pennsylvania. It was built in 1939 and reconstructed in 2009, 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 34,735 vehicles a day, roughly 20% of them trucks, projected to reach 40,738 by 2030. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPa Turnpike (I-76)
CrossesTr.Sewickley Creek
LocationWest of Old Stanton
RouteInterstate 76
CountyWestmoreland County
StatePennsylvania
Coordinates40.24306, -79.6362
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,735 (2004)
Projected traffic40,738 by 2030
Trucks20%
Lanes on structure6
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 Turnpike (I-76) over Tr.Sewickley Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2009.

What condition is Pa Turnpike (I-76) over Tr.Sewickley 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 June 2022.

How much traffic does Pa Turnpike (I-76) over Tr.Sewickley Creek carry?

About 34,735 vehicles per day (2004 count), of which roughly 20% are trucks.

How long is Pa Turnpike (I-76) over Tr.Sewickley Creek?

The structure is 38 ft (11.6 m) long with a longest span of 32 ft (9.8 m).

Who owns Pa Turnpike (I-76) over Tr.Sewickley Creek?

It is owned by the State Toll Authority.