State Route 20 over Baechtel Creek
GoodMendocino County, California · 01-MEN-020-33.64-WLTS · Structure no. 10 0013
- Built
- 1937
- 88 years old, rebuilt 1964
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 71 ft
- 3 main spans
- Daily traffic
- 18,350
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Baechtel Creek is a concrete continuous slab carrying State Route 20 over Baechtel Creek in Mendocino County, California. It was built in 1937 and reconstructed in 1964, so it is 88 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 18,350 vehicles a day, roughly 10% of them trucks, projected to reach 28,880 by 2045. The structure is 71 ft (21.7 m) long and 82 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Route 20 over Baechtel Creek built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1964.
What condition is State Route 20 over Baechtel 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 May 2023.
How much traffic does State Route 20 over Baechtel Creek carry?
About 18,350 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is State Route 20 over Baechtel Creek?
The structure is 71 ft (21.7 m) long with a longest span of 29 ft (8.8 m) and a deck 82 ft wide.
Who owns State Route 20 over Baechtel Creek?
It is owned by the State Highway Agency.