Graham Hill RD over San Lorenzo River
GoodSanta Cruz County, California · 0.1 MI E State RTE 9 · Structure no. 36C0101
- Built
- 1938
- 87 years old, rebuilt 1989
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 30,100
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Graham Hill RD over San Lorenzo River is a concrete continuous box beam or girders - multiple carrying Graham Hill RD over San Lorenzo River in Santa Cruz County, California. It was built in 1938 and reconstructed in 1989, so it is 87 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 30,100 vehicles a day, roughly 3% of them trucks, projected to reach 31,535 by 2043. The structure is 220 ft (67.2 m) long and 78 ft wide. If it were closed, the detour would be 6.8 mi (11 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 Graham Hill RD over San Lorenzo River built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1989.
What condition is Graham Hill RD over San Lorenzo River 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 October 2023.
How much traffic does Graham Hill RD over San Lorenzo River carry?
About 30,100 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is Graham Hill RD over San Lorenzo River?
The structure is 220 ft (67.2 m) long with a longest span of 115 ft (35.2 m) and a deck 78 ft wide.
Who owns Graham Hill RD over San Lorenzo River?
It is owned by the County Highway Agency.