N101-3rd Av Offrmp over San Mateo Creek
GoodSan Mateo County, California · 04-SM-101-13.44-SM · Structure no. 35 0010T
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 20,000
- 2005 count
- Owner
- State
- State Highway Agency
About this bridge
N101-3rd Av Offrmp over San Mateo Creek is a concrete slab carrying N101-3rd Av Offrmp over San Mateo Creek in San Mateo County, California. It was built in 2004, so it is 21 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 20,000 vehicles a day, roughly 5% of them trucks, projected to reach 32,603 by 2045. The structure is 73 ft (22.4 m) long and 35 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N101-3rd Av Offrmp over San Mateo Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is N101-3rd Av Offrmp 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 August 2023.
How much traffic does N101-3rd Av Offrmp over San Mateo Creek carry?
About 20,000 vehicles per day (2005 count), of which roughly 5% are trucks.
How long is N101-3rd Av Offrmp over San Mateo Creek?
The structure is 73 ft (22.4 m) long with a longest span of 28 ft (8.6 m) and a deck 35 ft wide.
Who owns N101-3rd Av Offrmp over San Mateo Creek?
It is owned by the State Highway Agency.