Sand Hill RD over Bear Gulch Creek
FairSan Mateo County, California · South Whiskey Hill RD · Structure no. 35C0056
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected May 2023
- Type
- Arch - Deck
- Steel
- Length
- 22 ft
- 1 main span
- Daily traffic
- 7,137
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Sand Hill RD over Bear Gulch Creek is a steel arch - deck carrying Sand Hill RD over Bear Gulch Creek in San Mateo County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,137 vehicles a day, roughly 6% of them trucks, projected to reach 12,614 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sand Hill RD over Bear Gulch Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is Sand Hill RD over Bear Gulch Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does Sand Hill RD over Bear Gulch Creek carry?
About 7,137 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Sand Hill RD over Bear Gulch Creek?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).
Who owns Sand Hill RD over Bear Gulch Creek?
It is owned by the County Highway Agency.