Todd RD over Colgan Creek Flood Cont
FairSonoma County, California · 0.1 MI W/O Stony Pt. Rd. · Structure no. 20C0201
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 4,100
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Todd RD over Colgan Creek Flood Cont is a concrete continuous slab carrying Todd RD over Colgan Creek Flood Cont in Sonoma County, California. It was built in 1970, so it is 55 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 4,100 vehicles a day, roughly 5% of them trucks, projected to reach 4,200 by 2040. The structure is 62 ft (18.9 m) long and 41 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 | 7 Good | Some minor problems. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Todd RD over Colgan Creek Flood Cont built?
It was built in 1970, making it 55 years old in 2025.
What condition is Todd RD over Colgan Creek Flood Cont 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 Todd RD over Colgan Creek Flood Cont carry?
About 4,100 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Todd RD over Colgan Creek Flood Cont?
The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.
Who owns Todd RD over Colgan Creek Flood Cont?
It is owned by the County Highway Agency.