State Route 91 over Coal Canyon
GoodRiverside County, California · 08-RIV-091-R0.06 · Structure no. 56 0366
- Built
- 1970
- 55 years old, rebuilt 2010
- Condition
- Good
- inspected February 2023
- Type
- Frame
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 264,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 91 over Coal Canyon is a concrete frame carrying State Route 91 over Coal Canyon in Riverside County, California. It was built in 1970 and reconstructed in 2010, so it is 55 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 264,000 vehicles a day, roughly 7% of them trucks, projected to reach 306,777 by 2045. The structure is 33 ft (10.1 m) long and 184 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 91 over Coal Canyon built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.
What condition is State Route 91 over Coal Canyon in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does State Route 91 over Coal Canyon carry?
About 264,000 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is State Route 91 over Coal Canyon?
The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 184 ft wide.
Who owns State Route 91 over Coal Canyon?
It is owned by the State Highway Agency.