Alpine RD over SR 0079 NB SB
FairAllegheny County, Pennsylvania · 300W.OF INTER.W/SR3003 · Structure no. 000000000001752
- Built
- 1965
- 60 years old, rebuilt 1998
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 221 ft
- 2 main spans
- Daily traffic
- 3,877
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Alpine RD over SR 0079 NB SB is a prestressed concrete continuous box beam or girders - multiple carrying Alpine RD over SR 0079 NB SB in Allegheny County, Pennsylvania. It was built in 1965 and reconstructed in 1998, so it is 60 years old, older 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 3,877 vehicles a day, roughly 6% of them trucks, projected to reach 3,527 by 2032. The structure is 221 ft (67.4 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alpine RD over SR 0079 NB SB built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1998.
What condition is Alpine RD over SR 0079 NB SB 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 2023.
How much traffic does Alpine RD over SR 0079 NB SB carry?
About 3,877 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Alpine RD over SR 0079 NB SB?
The structure is 221 ft (67.4 m) long with a longest span of 71 ft (21.6 m) and a deck 37 ft wide.
Who owns Alpine RD over SR 0079 NB SB?
It is owned by the State Highway Agency.