Saunders Ave over San Anselmo Creek
FairMarin County, California · In San Anselmo · Structure no. 27C0094
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 3,000
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Saunders Ave over San Anselmo Creek is a concrete continuous tee beam carrying Saunders Ave over San Anselmo Creek in Marin County, California. It was built in 1935, 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,819 by 2046. The structure is 75 ft (22.9 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Saunders Ave over San Anselmo Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is Saunders Ave 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 Saunders Ave over San Anselmo Creek carry?
About 3,000 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Saunders Ave over San Anselmo Creek?
The structure is 75 ft (22.9 m) long with a longest span of 37 ft (11.3 m) and a deck 42 ft wide.
Who owns Saunders Ave over San Anselmo Creek?
It is owned by the City or Municipal Highway Agency.