Harkins Slough RD over State Route 1
GoodSanta Cruz County, California · 05-SCR-001-R2.27-WAT · Structure no. 36 0089
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 210 ft
- 4 main spans
- Daily traffic
- 4,400
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Harkins Slough RD over State Route 1 is a concrete continuous box beam or girders - multiple carrying Harkins Slough RD over State Route 1 in Santa Cruz 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 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 4,400 vehicles a day, roughly 3% of them trucks, projected to reach 8,781 by 2045. The structure is 210 ft (64 m) long and 39 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harkins Slough RD over State Route 1 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Harkins Slough RD over State Route 1 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 November 2023.
How much traffic does Harkins Slough RD over State Route 1 carry?
About 4,400 vehicles per day (1998 count), of which roughly 3% are trucks.
How long is Harkins Slough RD over State Route 1?
The structure is 210 ft (64 m) long with a longest span of 78 ft (23.8 m) and a deck 39 ft wide.
Who owns Harkins Slough RD over State Route 1?
It is owned by the State Highway Agency.