Old County RD over Pulgas Creek
GoodSan Mateo County, California · South Commercial ST · Structure no. 35C0083
- Built
- 1920
- 105 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 7,000
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Old County RD over Pulgas Creek is a concrete continuous culvert carrying Old County RD over Pulgas Creek in San Mateo County, California. It was built in 1920, so it is 105 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 7,000 vehicles a day, roughly 10% of them trucks, projected to reach 16,356 by 2046. The structure is 43 ft (13 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old County RD over Pulgas Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is Old County RD over Pulgas 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 Old County RD over Pulgas Creek carry?
About 7,000 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is Old County RD over Pulgas Creek?
The structure is 43 ft (13 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.
Who owns Old County RD over Pulgas Creek?
It is owned by the City or Municipal Highway Agency.