First ST over Robinsons Run North Brn
FairAllegheny County, Pennsylvania · 450001 at Clinton Avenue · Structure no. 000000000002655
- Built
- 1920
- 105 years old, rebuilt 1989
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 53 ft
- 1 main span
- Daily traffic
- 500
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
First ST over Robinsons Run North Brn is a steel stringer/multi-beam or girder carrying First ST over Robinsons Run North Brn in Allegheny County, Pennsylvania. It was built in 1920 and reconstructed in 1989, so it is 105 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 525 by 2041. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 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 First ST over Robinsons Run North Brn built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.
What condition is First ST over Robinsons Run North Brn 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 July 2023.
How much traffic does First ST over Robinsons Run North Brn carry?
About 500 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is First ST over Robinsons Run North Brn?
The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.
Who owns First ST over Robinsons Run North Brn?
It is owned by the City or Municipal Highway Agency.