State Route 60 over Mountain Avenue
FairSan Bernardino County, California · 08-SBD-060-R3.60-CHN · Structure no. 54 0749
- Built
- 1970
- 55 years old, rebuilt 1997
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 220,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 60 over Mountain Avenue is a concrete continuous box beam or girders - multiple carrying State Route 60 over Mountain Avenue in San Bernardino County, California. It was built in 1970 and reconstructed in 1997, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 220,000 vehicles a day, roughly 13% of them trucks, projected to reach 275,000 by 2043. The structure is 154 ft (47 m) long and 164 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 60 over Mountain Avenue built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.
What condition is State Route 60 over Mountain Avenue in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does State Route 60 over Mountain Avenue carry?
About 220,000 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is State Route 60 over Mountain Avenue?
The structure is 154 ft (47 m) long with a longest span of 85 ft (26 m) and a deck 164 ft wide.
Who owns State Route 60 over Mountain Avenue?
It is owned by the State Highway Agency.