Center Blvd over San Anselmo Creek
FairMarin County, California · At Sycamore Ave · Structure no. 27C0079
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 76 ft
- 3 main spans
- Daily traffic
- 14,000
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Center Blvd over San Anselmo Creek is a concrete continuous tee beam carrying Center Blvd over San Anselmo Creek in Marin County, California. It was built in 1940, so it is 85 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 6 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 14,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,673 by 2046. The structure is 76 ft (23.2 m) long and 30 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Center Blvd over San Anselmo Creek built?
It was built in 1940, making it 85 years old in 2025.
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 14,000 vehicles per day (2011 count), of which roughly 1% are trucks.
How long is Center Blvd over San Anselmo Creek?
The structure is 76 ft (23.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.
Who owns Center Blvd over San Anselmo Creek?
It is owned by the City or Municipal Highway Agency.