Center Blvd over San Anselmo Creek
FairMarin County, California · 16M NW of San Anselmo Ave · Structure no. 27C0101
- Built
- 1935
- 90 years old, rebuilt 1960
- Condition
- Fair
- inspected September 2024
- Type
- Arch - Deck
- Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 12,000
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Center Blvd over San Anselmo Creek is a concrete arch - deck carrying Center Blvd over San Anselmo Creek in Marin County, California. It was built in 1935 and reconstructed in 1960, so it is 90 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 13,527 by 2046. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Center Blvd over San Anselmo Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1960.
What condition is Center Blvd over San Anselmo Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Center Blvd over San Anselmo Creek carry?
About 12,000 vehicles per day (2011 count), of which roughly 1% are trucks.
How long is Center Blvd over San Anselmo Creek?
The structure is 45 ft (13.7 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.
Who owns Center Blvd over San Anselmo Creek?
It is owned by the City or Municipal Highway Agency.