State Route 1 over St. Francis Boulevard
GoodSan Mateo County, California · 04-SM-001-R47.03-DLC · Structure no. 35 0236
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 139 ft
- 1 main span
- Daily traffic
- 65,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over St. Francis Boulevard is a prestressed concrete box beam or girders - multiple carrying State Route 1 over St. Francis Boulevard in San Mateo County, California. It was built in 1972, so it is 53 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 65,000 vehicles a day, roughly 2% of them trucks, projected to reach 96,420 by 2042. The structure is 139 ft (42.4 m) long and 163 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over St. Francis Boulevard built?
It was built in 1972, making it 53 years old in 2025.
What condition is State Route 1 over St. Francis Boulevard 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 October 2024.
How much traffic does State Route 1 over St. Francis Boulevard carry?
About 65,000 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is State Route 1 over St. Francis Boulevard?
The structure is 139 ft (42.4 m) long with a longest span of 137 ft (41.9 m) and a deck 163 ft wide.
Who owns State Route 1 over St. Francis Boulevard?
It is owned by the State Highway Agency.