Tripoli Street over I279 I579 Nb&sb Hov
FairAllegheny County, Pennsylvania · 132 Tripoli ST Bridge · Structure no. 000000000001041
- Built
- 1987
- 38 years old, rebuilt 2018
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 253 ft
- 2 main spans
- Daily traffic
- 1,500
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Tripoli Street over I279 I579 Nb&sb Hov is a steel continuous stringer/multi-beam or girder carrying Tripoli Street over I279 I579 Nb&sb Hov in Allegheny County, Pennsylvania. It was built in 1987 and reconstructed in 2018, so it is 38 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 1,835 by 2044. The structure is 253 ft (77.1 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tripoli Street over I279 I579 Nb&sb Hov built?
It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2018.
What condition is Tripoli Street over I279 I579 Nb&sb Hov in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does Tripoli Street over I279 I579 Nb&sb Hov carry?
About 1,500 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Tripoli Street over I279 I579 Nb&sb Hov?
The structure is 253 ft (77.1 m) long with a longest span of 130 ft (39.6 m) and a deck 54 ft wide.
Who owns Tripoli Street over I279 I579 Nb&sb Hov?
It is owned by the City or Municipal Highway Agency.