State Route 1 over Moat Creek
GoodMendocino County, California · 01-MEN-001-12.88 · Structure no. 10 0109
- Built
- 1939
- 86 years old, rebuilt 1972
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 2,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Moat Creek is a concrete continuous slab carrying State Route 1 over Moat Creek in Mendocino County, California. It was built in 1939 and reconstructed in 1972, so it is 86 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 2,900 vehicles a day, roughly 8% of them trucks, projected to reach 3,020 by 2042. The structure is 32 ft (9.8 m) long and 27 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Moat Creek built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1972.
What condition is State Route 1 over Moat 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 Route 1 over Moat Creek carry?
About 2,900 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is State Route 1 over Moat Creek?
The structure is 32 ft (9.8 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.
Who owns State Route 1 over Moat Creek?
It is owned by the State Highway Agency.