Los Trancos RD over Los Trancos Creek
GoodSan Mateo County, California · 1.5 MI S Alpine RD · Structure no. 35C0171
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 2,700
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Los Trancos RD over Los Trancos Creek is a concrete culvert carrying Los Trancos RD over Los Trancos Creek in San Mateo County, California. It was built in 1989, so it is 36 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 2,700 vehicles a day, roughly 1% of them trucks, projected to reach 3,375 by 2042. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Los Trancos RD over Los Trancos Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Los Trancos RD over Los Trancos 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 May 2024.
How much traffic does Los Trancos RD over Los Trancos Creek carry?
About 2,700 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Los Trancos RD over Los Trancos Creek?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.
Who owns Los Trancos RD over Los Trancos Creek?
It is owned by the City or Municipal Highway Agency.