Pa Tpk (I-76) over T-574
GoodAllegheny County, Pennsylvania · West of Gibsonia · Structure no. 000000000047186
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 116 ft
- 1 main span
- Daily traffic
- 27,341
- 2001 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Pa Tpk (I-76) over T-574 is a prestressed concrete stringer/multi-beam or girder carrying Pa Tpk (I-76) over T-574 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 27,341 vehicles a day, roughly 24% of them trucks, projected to reach 40,196 by 2030. The structure is 116 ft (35.4 m) long and 125 ft wide. If it were closed, the detour would be 21.7 mi (35 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pa Tpk (I-76) over T-574 built?
It was built in 2012, making it 13 years old in 2025.
What condition is Pa Tpk (I-76) over T-574 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 2024.
How much traffic does Pa Tpk (I-76) over T-574 carry?
About 27,341 vehicles per day (2001 count), of which roughly 24% are trucks.
How long is Pa Tpk (I-76) over T-574?
The structure is 116 ft (35.4 m) long with a longest span of 114 ft (34.7 m) and a deck 125 ft wide.
Who owns Pa Tpk (I-76) over T-574?
It is owned by the State Toll Authority.