State Highway 138 over Burnt Mill Canyon
GoodSan Bernardino County, California · 08-SBD-138-R29.38 · Structure no. 54 0859
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 332 ft
- 3 main spans
- Daily traffic
- 1,600
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
State Highway 138 over Burnt Mill Canyon is a concrete continuous box beam or girders - multiple carrying State Highway 138 over Burnt Mill Canyon in San Bernardino County, California. It was built in 1970, 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 2,000 by 2042. The structure is 332 ft (101.2 m) long and 43 ft wide. If it were closed, the detour would be 37.3 mi (60 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Highway 138 over Burnt Mill Canyon built?
It was built in 1970, making it 55 years old in 2025.
What condition is State Highway 138 over Burnt Mill 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 September 2024.
How much traffic does State Highway 138 over Burnt Mill Canyon carry?
About 1,600 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is State Highway 138 over Burnt Mill Canyon?
The structure is 332 ft (101.2 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.
Who owns State Highway 138 over Burnt Mill Canyon?
It is owned by the State Highway Agency.