State Route 1 over De Haven Creek
GoodMendocino County, California · 01-MEN-001-R79.22 · Structure no. 10 0138
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 830
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over De Haven Creek is a concrete continuous tee beam carrying State Route 1 over De Haven Creek in Mendocino County, California. It was built in 1964, so it is 61 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 830 vehicles a day, roughly 3% of them trucks, projected to reach 2,142 by 2043. The structure is 150 ft (45.7 m) long and 35 ft wide. If it were closed, the detour would be 65.2 mi (105 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 1 over De Haven Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is State Route 1 over De Haven 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 September 2023.
How much traffic does State Route 1 over De Haven Creek carry?
About 830 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is State Route 1 over De Haven Creek?
The structure is 150 ft (45.7 m) long with a longest span of 79 ft (24.1 m) and a deck 35 ft wide.
Who owns State Route 1 over De Haven Creek?
It is owned by the State Highway Agency.