Gilmore Avenue over Gossage Creek
FairSonoma County, California · 0.1 MI N/O Derby Lane · Structure no. 20C0272
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 100
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Gilmore Avenue over Gossage Creek is a concrete slab carrying Gilmore Avenue over Gossage Creek in Sonoma County, California. It was built in 1972, so it is 53 years old, younger 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2040. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gilmore Avenue over Gossage Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Gilmore Avenue over Gossage 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 May 2023.
How much traffic does Gilmore Avenue over Gossage Creek carry?
About 100 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Gilmore Avenue over Gossage Creek?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.
Who owns Gilmore Avenue over Gossage Creek?
It is owned by the County Highway Agency.