State Route 1 over Anderson Canyon
GoodMonterey County, California · 05-MON-001-35.35 · Structure no. 44 0049
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 431 ft
- 5 main spans
- Daily traffic
- 3,150
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Anderson Canyon is a prestressed concrete stringer/multi-beam or girder carrying State Route 1 over Anderson Canyon in Monterey County, California. It was built in 1961, so it is 64 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 3,150 vehicles a day, roughly 1% of them trucks, projected to reach 2,883 by 2045. The structure is 431 ft (131.3 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 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 Anderson Canyon built?
It was built in 1961, making it 64 years old in 2025.
What condition is State Route 1 over Anderson Canyon 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 February 2023.
How much traffic does State Route 1 over Anderson Canyon carry?
About 3,150 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is State Route 1 over Anderson Canyon?
The structure is 431 ft (131.3 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.
Who owns State Route 1 over Anderson Canyon?
It is owned by the State Highway Agency.