US Bridges

Pa Tpk (I-76) over Trib of Bush Creek

Good

Allegheny County, Pennsylvania · West of Warrendale · Structure no. 000000000068592

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
27,341
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Trib of Bush Creek is a concrete culvert carrying Pa Tpk (I-76) over Trib of Bush Creek in Allegheny County, Pennsylvania. It was built in 2021, so it is 4 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,341 vehicles a day, roughly 24% of them trucks, projected to reach 25,587 by 2011. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesTrib of Bush Creek
LocationWest of Warrendale
RouteInterstate 7076
CountyAllegheny County
StatePennsylvania
Coordinates40.66649, -80.09761
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,341 (2001)
Projected traffic25,587 by 2011
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Trib of Bush Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Pa Tpk (I-76) over Trib of Bush Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

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

About 27,341 vehicles per day (2001 count), of which roughly 24% are trucks.

How long is Pa Tpk (I-76) over Trib of Bush Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Pa Tpk (I-76) over Trib of Bush Creek?

It is owned by the State Toll Authority.