North B Street over San Mateo Creek
GoodSan Mateo County, California · Baldwin Ave @ North B ST · Structure no. 35C0155
- Built
- 1924
- 101 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 55 ft
- 3 main spans
- Daily traffic
- 2,790
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
North B Street over San Mateo Creek is a concrete continuous tee beam carrying North B Street over San Mateo Creek in San Mateo County, California. It was built in 1924, so it is 101 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 2,790 vehicles a day, roughly 7% of them trucks, projected to reach 6,453 by 2041. The structure is 55 ft (16.7 m) long and 102 ft wide. If it were closed, the detour would be 0.6 mi (1 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 North B Street over San Mateo Creek built?
It was built in 1924, making it 101 years old in 2025.
What condition is North B Street over San Mateo 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 2023.
How much traffic does North B Street over San Mateo Creek carry?
About 2,790 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is North B Street over San Mateo Creek?
The structure is 55 ft (16.7 m) long with a longest span of 38 ft (11.5 m) and a deck 102 ft wide.
Who owns North B Street over San Mateo Creek?
It is owned by the City or Municipal Highway Agency.