State Route 1 over Fallon Creek
GoodMarin County, California · 04-MRN-001-47.60 · Structure no. 27 0054
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 5,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Fallon Creek is a concrete continuous slab carrying State Route 1 over Fallon Creek in Marin County, California. It was built in 2001, so it is 24 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 5,900 vehicles a day, roughly 3% of them trucks, projected to reach 9,041 by 2042. The structure is 62 ft (18.9 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Fallon Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is State Route 1 over Fallon Creek 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 May 2024.
How much traffic does State Route 1 over Fallon Creek carry?
About 5,900 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is State Route 1 over Fallon Creek?
The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.5 m) and a deck 35 ft wide.
Who owns State Route 1 over Fallon Creek?
It is owned by the State Highway Agency.