State Highway 138 over Cajon Creek
GoodSan Bernardino County, California · 08-SBD-138-R14.94 · Structure no. 54 0561
- Built
- 1969
- 56 years old, rebuilt 2018
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 223 ft
- 3 main spans
- Daily traffic
- 24,300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
State Highway 138 over Cajon Creek is a concrete continuous box beam or girders - multiple carrying State Highway 138 over Cajon Creek in San Bernardino County, California. It was built in 1969 and reconstructed in 2018, so it is 56 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 24,300 vehicles a day, roughly 11% of them trucks, projected to reach 30,000 by 2045. The structure is 223 ft (68 m) long and 81 ft wide. If it were closed, the detour would be 34.2 mi (55 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 Cajon Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2018.
What condition is State Highway 138 over Cajon Creek 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 August 2024.
How much traffic does State Highway 138 over Cajon Creek carry?
About 24,300 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is State Highway 138 over Cajon Creek?
The structure is 223 ft (68 m) long with a longest span of 90 ft (27.4 m) and a deck 81 ft wide.
Who owns State Highway 138 over Cajon Creek?
It is owned by the State Highway Agency.