Creek Road over San Anselmo Creek
FairMarin County, California · At Dominga Ave · Structure no. 27C0144
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Concrete
- Length
- 136 ft
- 4 main spans
- Daily traffic
- 255
- 1981 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Creek Road over San Anselmo Creek is a concrete tee beam carrying Creek Road over San Anselmo Creek in Marin County, California. It was built in 1929, so it is 96 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 255 vehicles a day, roughly 2% of them trucks, projected to reach 332 by 2046. The structure is 136 ft (41.5 m) long and 28 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Creek Road over San Anselmo Creek built?
It was built in 1929, making it 96 years old in 2025.
What condition is Creek Road 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 Creek Road over San Anselmo Creek carry?
About 255 vehicles per day (1981 count), of which roughly 2% are trucks.
How long is Creek Road over San Anselmo Creek?
The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.3 m) and a deck 28 ft wide.
Who owns Creek Road over San Anselmo Creek?
It is owned by the City or Municipal Highway Agency.