Herron Av over Nsrc CSX & Busway
PoorAllegheny County, Pennsylvania · 040 Herron Ave · Structure no. 000000000002416
- Built
- 1980
- 45 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 754 ft
- 7 main spans
- Daily traffic
- 10,900
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Herron Av over Nsrc CSX & Busway is a steel continuous stringer/multi-beam or girder carrying Herron Av over Nsrc CSX & Busway 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 10,900 vehicles a day, roughly 7% of them trucks, projected to reach 12,000 by 2044. The structure is 754 ft (229.8 m) long and 46 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 Herron Av over Nsrc CSX & Busway built?
It was built in 1980, making it 45 years old in 2025.
What condition is Herron Av over Nsrc CSX & Busway 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 September 2024.
How much traffic does Herron Av over Nsrc CSX & Busway carry?
About 10,900 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Herron Av over Nsrc CSX & Busway?
The structure is 754 ft (229.8 m) long with a longest span of 130 ft (39.6 m) and a deck 46 ft wide.
Who owns Herron Av over Nsrc CSX & Busway?
It is owned by the City or Municipal Highway Agency.