State Highway 71 over Los Serranos Lake Chan
GoodSan Bernardino County, California · 08-SBD-071-R4.10-CHNH · Structure no. 54 1163
- Built
- 1986
- 39 years old, rebuilt 1997
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 75,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Highway 71 over Los Serranos Lake Chan is a concrete culvert carrying State Highway 71 over Los Serranos Lake Chan in San Bernardino County, California. It was built in 1986 and reconstructed in 1997, so it is 39 years old, younger 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 75,000 vehicles a day, roughly 10% of them trucks, projected to reach 141,876 by 2040. The structure is 36 ft (11 m) long and 340 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Highway 71 over Los Serranos Lake Chan built?
It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1997.
What condition is State Highway 71 over Los Serranos Lake Chan 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 March 2023.
How much traffic does State Highway 71 over Los Serranos Lake Chan carry?
About 75,000 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is State Highway 71 over Los Serranos Lake Chan?
The structure is 36 ft (11 m) long with a longest span of 18 ft (5.4 m) and a deck 340 ft wide.
Who owns State Highway 71 over Los Serranos Lake Chan?
It is owned by the State Highway Agency.