Coroapolis Imperia over Mcclarens Run
PoorPosted for loadAllegheny County, Pennsylvania · MC07 Mcclarens Run # 7 · Structure no. 000000000002279
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 944
- 2006 count
- Owner
- County
- County Highway Agency
About this bridge
Coroapolis Imperia over Mcclarens Run is a steel stringer/multi-beam or girder carrying Coroapolis Imperia over Mcclarens Run in Allegheny County, Pennsylvania. It was built in 1940, so it is 85 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 944 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2023. The structure is 24 ft (7.3 m) long and 34 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 | 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Coroapolis Imperia over Mcclarens Run built?
It was built in 1940, making it 85 years old in 2025.
What condition is Coroapolis Imperia over Mcclarens 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 June 2024.
How much traffic does Coroapolis Imperia over Mcclarens Run carry?
About 944 vehicles per day (2006 count), of which roughly 5% are trucks.
How long is Coroapolis Imperia over Mcclarens Run?
The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.
Who owns Coroapolis Imperia over Mcclarens Run?
It is owned by the County Highway Agency.