US Bridges

Pa Tpk (I-76) over N Fork Pine Creek

Good

Allegheny County, Pennsylvania · West of Gibsonia · Structure no. 000000000002055

Built
1952
73 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
30,022
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over N Fork Pine Creek is a concrete culvert carrying Pa Tpk (I-76) over N Fork Pine Creek in Allegheny County, Pennsylvania. It was built in 1952, 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 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 30,022 vehicles a day, roughly 19% of them trucks, projected to reach 41,682 by 2030. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesPa Tpk (I-76)
CrossesN Fork Pine Creek
LocationWest of Gibsonia
RouteInterstate 76
Coordinates40.64333, -80.02958
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 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 rating99 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,022 (2004)
Projected traffic41,682 by 2030
Trucks19%
Lanes on structure6
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$379,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over N Fork Pine Creek built?

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

What condition is Pa Tpk (I-76) over N Fork Pine 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 May 2022.

How much traffic does Pa Tpk (I-76) over N Fork Pine Creek carry?

About 30,022 vehicles per day (2004 count), of which roughly 19% are trucks.

How long is Pa Tpk (I-76) over N Fork Pine Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Pa Tpk (I-76) over N Fork Pine Creek?

It is owned by the State Toll Authority.