US Bridges

Pa Tpk (I-76) over SR 4068

Good

Allegheny County, Pennsylvania · East of Warrendale · Structure no. 000000000047187

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
1 main span
Daily traffic
31,140
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 4068 is a prestressed concrete stringer/multi-beam or girder carrying Pa Tpk (I-76) over SR 4068 in Allegheny County, Pennsylvania. It was built in 2012, so it is 13 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 31,140 vehicles a day, roughly 21% of them trucks, projected to reach 44,880 by 2030. The structure is 164 ft (50 m) long and 117 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR 4068
LocationEast of Warrendale
RouteInterstate 76
CountyAllegheny County
StatePennsylvania
Coordinates40.65251, -80.05439
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length164 ft (50 m)
Longest span158 ft (48.2 m)
Deck width117 ft (35.7 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,140 (2008)
Projected traffic44,880 by 2030
Trucks21%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR 4068 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Pa Tpk (I-76) over SR 4068 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 April 2024.

How much traffic does Pa Tpk (I-76) over SR 4068 carry?

About 31,140 vehicles per day (2008 count), of which roughly 21% are trucks.

How long is Pa Tpk (I-76) over SR 4068?

The structure is 164 ft (50 m) long with a longest span of 158 ft (48.2 m) and a deck 117 ft wide.

Who owns Pa Tpk (I-76) over SR 4068?

It is owned by the State Toll Authority.