Larimer Av over Washington Blvd (rt 8)
PoorPosted for loadAllegheny County, Pennsylvania · 047 Larimer Ave over Wash · Structure no. 000000000002419
- Built
- 1912
- 113 years old, rebuilt 1979
- Condition
- Poor
- inspected July 2023
- Type
- Arch - Deck
- Concrete
- Length
- 548 ft
- 1 main span
- Daily traffic
- 8,000
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Larimer Av over Washington Blvd (rt 8) is a concrete arch - deck carrying Larimer Av over Washington Blvd (rt 8) in Allegheny County, Pennsylvania. It was built in 1912 and reconstructed in 1979, so it is 113 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 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,800 by 2044. The structure is 548 ft (167 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 | 4 Poor | Advanced section loss, deterioration, 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 Larimer Av over Washington Blvd (rt 8) built?
It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1979.
What condition is Larimer Av over Washington Blvd (rt 8) 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 July 2023.
How much traffic does Larimer Av over Washington Blvd (rt 8) carry?
About 8,000 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Larimer Av over Washington Blvd (rt 8)?
The structure is 548 ft (167 m) long with a longest span of 300 ft (91.4 m) and a deck 46 ft wide.
Who owns Larimer Av over Washington Blvd (rt 8)?
It is owned by the City or Municipal Highway Agency.