State Route 1 over Jack Peters Creek
FairMendocino County, California · 01-MEN-001-51.87 · Structure no. 10 0150
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 223 ft
- 3 main spans
- Daily traffic
- 9,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Jack Peters Creek is a concrete continuous box beam or girders - multiple carrying State Route 1 over Jack Peters Creek in Mendocino County, California. It was built in 1939, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,900 vehicles a day, roughly 7% of them trucks, projected to reach 9,145 by 2042. The structure is 223 ft (68 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Jack Peters Creek built?
It was built in 1939, making it 86 years old in 2025.
What condition is State Route 1 over Jack Peters Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does State Route 1 over Jack Peters Creek carry?
About 9,900 vehicles per day (2009 count), of which roughly 7% are trucks.
How long is State Route 1 over Jack Peters Creek?
The structure is 223 ft (68 m) long with a longest span of 90 ft (27.4 m) and a deck 30 ft wide.
Who owns State Route 1 over Jack Peters Creek?
It is owned by the State Highway Agency.