River Av over Three Rivers Heritage TR
PoorAllegheny County, Pennsylvania · 082 River Ave Viaduct · Structure no. 000000000002437
- Built
- 1939
- 86 years old, rebuilt 1986
- Condition
- Poor
- inspected November 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 179 ft
- 6 main spans
- Daily traffic
- 6,000
- 2004 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
River Av over Three Rivers Heritage TR is a steel stringer/multi-beam or girder carrying River Av over Three Rivers Heritage TR in Allegheny County, Pennsylvania. It was built in 1939 and reconstructed in 1986, so it is 86 years old, older 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 6,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,600 by 2030. The structure is 179 ft (54.6 m) long and 37 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was River Av over Three Rivers Heritage TR built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1986.
What condition is River Av over Three Rivers Heritage TR 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 November 2022.
How much traffic does River Av over Three Rivers Heritage TR carry?
About 6,000 vehicles per day (2004 count), of which roughly 7% are trucks.
How long is River Av over Three Rivers Heritage TR?
The structure is 179 ft (54.6 m) long with a longest span of 37 ft (11.3 m) and a deck 37 ft wide.
Who owns River Av over Three Rivers Heritage TR?
It is owned by the City or Municipal Highway Agency.