Grant ST over Robinson Run
PoorAllegheny County, Pennsylvania · 50S.OF Inter.W/Sr 3048 · Structure no. 000000000001747
- Built
- 1980
- 45 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 66 ft
- 1 main span
- Daily traffic
- 3,469
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Grant ST over Robinson Run is a steel stringer/multi-beam or girder carrying Grant ST over Robinson Run in Allegheny County, Pennsylvania. It was built in 1980, so it is 45 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,469 vehicles a day, roughly 2% of them trucks, projected to reach 3,787 by 2032. The structure is 66 ft (20.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grant ST over Robinson Run built?
It was built in 1980, making it 45 years old in 2025.
What condition is Grant ST over Robinson Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.
How much traffic does Grant ST over Robinson Run carry?
About 3,469 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Grant ST over Robinson Run?
The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.
Who owns Grant ST over Robinson Run?
It is owned by the State Highway Agency.