State Route 1 over Mill Creek
GoodMonterey County, California · 05-MON-001-18.46 · Structure no. 44 0062
- Built
- 1934
- 91 years old, rebuilt 1956
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 2,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Mill Creek is a steel stringer/multi-beam or girder carrying State Route 1 over Mill Creek in Monterey County, California. It was built in 1934 and reconstructed in 1956, so it is 91 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 2,000 vehicles a day, projected to reach 2,793 by 2045. The structure is 171 ft (52.1 m) long and 28 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Mill Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1956.
What condition is State Route 1 over Mill 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 February 2023.
How much traffic does State Route 1 over Mill Creek carry?
About 2,000 vehicles per day (2009 count).
How long is State Route 1 over Mill Creek?
The structure is 171 ft (52.1 m) long with a longest span of 57 ft (17.5 m) and a deck 28 ft wide.
Who owns State Route 1 over Mill Creek?
It is owned by the State Highway Agency.