State Route 20 over Cold Creek
FairMendocino County, California · 01-MEN-020-R39.16 · Structure no. 10 0042
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected June 2024
- Type
- Arch - Deck
- Steel
- Length
- 37 ft
- 1 main span
- Daily traffic
- 10,400
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Cold Creek is a steel arch - deck carrying State Route 20 over Cold Creek in Mendocino County, California. It was built in 1965, so it is 60 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 5 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 10,400 vehicles a day, roughly 10% of them trucks, projected to reach 21,219 by 2042. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 55.9 mi (90 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 |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 20 over Cold Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is State Route 20 over Cold 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 June 2024.
How much traffic does State Route 20 over Cold Creek carry?
About 10,400 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is State Route 20 over Cold Creek?
The structure is 37 ft (11.4 m) long with a longest span of 37 ft (11.4 m).
Who owns State Route 20 over Cold Creek?
It is owned by the State Highway Agency.