US Bridges

T-662 over Pa Tpk (I-76)

Good

Allegheny County, Pennsylvania · West of Allegheny Val Int · Structure no. 000000000048853

Built
2013
12 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-662 over Pa Tpk (I-76) is a steel continuous stringer/multi-beam or girder carrying T-662 over Pa Tpk (I-76) in Allegheny County, Pennsylvania. It was built in 2013, so it is 12 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 315 by 2030. The structure is 179 ft (54.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-662
CrossesPa Tpk (I-76)
LocationWest of Allegheny Val Int
RouteCity Street 0T
Coordinates40.55, -79.835
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length179 ft (54.6 m)
Longest span88 ft (26.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollToll bridge
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-662 over Pa Tpk (I-76) built?

It was built in 2013, making it 12 years old in 2025.

What condition is T-662 over Pa Tpk (I-76) 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 June 2022.

How much traffic does T-662 over Pa Tpk (I-76) carry?

About 200 vehicles per day (1992 count), of which roughly 7% are trucks.

How long is T-662 over Pa Tpk (I-76)?

The structure is 179 ft (54.6 m) long with a longest span of 88 ft (26.8 m) and a deck 35 ft wide.

Who owns T-662 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.