West Carson ST over Chartiers Creek
PoorPosted for loadAllegheny County, Pennsylvania · 021 W Carson ST Bridge · Structure no. 000000000002403
- Built
- 1925
- 100 years old, rebuilt 1978
- Condition
- Poor
- inspected August 2023
- Type
- Truss - Thru
- Steel
- Length
- 144 ft
- 1 main span
- Daily traffic
- 3,756
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
West Carson ST over Chartiers Creek is a steel truss - thru carrying West Carson ST over Chartiers Creek in Allegheny County, Pennsylvania. It was built in 1925 and reconstructed in 1978, so it is 100 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. Its operating status is: posted for load restriction.
It carries about 3,756 vehicles a day, roughly 15% of them trucks, projected to reach 5,524 by 2043. The structure is 144 ft (43.9 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 | 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was West Carson ST over Chartiers Creek built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1978.
What condition is West Carson ST over Chartiers Creek 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 August 2023.
How much traffic does West Carson ST over Chartiers Creek carry?
About 3,756 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is West Carson ST over Chartiers Creek?
The structure is 144 ft (43.9 m) long with a longest span of 140 ft (42.7 m) and a deck 46 ft wide.
Who owns West Carson ST over Chartiers Creek?
It is owned by the City or Municipal Highway Agency.