State Route 1 over Roberts Lake Outlet
GoodMonterey County, California · 05-MON-001-R79.34-SEA · Structure no. 44 0227
- Built
- 1967
- 58 years old, rebuilt 1998
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 4 main spans
- Daily traffic
- 12,800
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Roberts Lake Outlet is a concrete continuous culvert carrying State Route 1 over Roberts Lake Outlet in Monterey County, California. It was built in 1967 and reconstructed in 1998, so it is 58 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 12,800 vehicles a day, roughly 4% of them trucks, projected to reach 19,735 by 2043. The structure is 33 ft (10 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Roberts Lake Outlet built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.
What condition is State Route 1 over Roberts Lake Outlet 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 2023.
How much traffic does State Route 1 over Roberts Lake Outlet carry?
About 12,800 vehicles per day (2013 count), of which roughly 4% are trucks.
How long is State Route 1 over Roberts Lake Outlet?
The structure is 33 ft (10 m) long with a longest span of 6 ft (1.8 m).
Who owns State Route 1 over Roberts Lake Outlet?
It is owned by the State Highway Agency.