Stage RD over San Gregorio Creek
GoodSan Mateo County, California · 0.1 MI S of S.H. 84 · Structure no. 35C0010
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 117 ft
- 1 main span
- Daily traffic
- 272
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Stage RD over San Gregorio Creek is a prestressed concrete stringer/multi-beam or girder carrying Stage RD over San Gregorio Creek in San Mateo County, California. It was built in 1981, so it is 44 years old, younger 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 272 vehicles a day, roughly 17% of them trucks, projected to reach 382 by 2044. The structure is 117 ft (35.7 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stage RD over San Gregorio Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is Stage RD over San Gregorio 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 April 2024.
How much traffic does Stage RD over San Gregorio Creek carry?
About 272 vehicles per day (2018 count), of which roughly 17% are trucks.
How long is Stage RD over San Gregorio Creek?
The structure is 117 ft (35.7 m) long with a longest span of 94 ft (28.7 m) and a deck 34 ft wide.
Who owns Stage RD over San Gregorio Creek?
It is owned by the County Highway Agency.