Allendale RD over Putah South Canal
GoodSolano County, California · 0.4 MI W North Locke RD · Structure no. 23C0162
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 51 ft
- 2 main spans
- Daily traffic
- 895
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Allendale RD over Putah South Canal is a concrete slab carrying Allendale RD over Putah South Canal in Solano County, California. It was built in 1955, so it is 70 years old, older 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 895 vehicles a day, roughly 4% of them trucks, projected to reach 1,110 by 2042. The structure is 51 ft (15.5 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allendale RD over Putah South Canal built?
It was built in 1955, making it 70 years old in 2025.
What condition is Allendale RD over Putah South Canal 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 October 2024.
How much traffic does Allendale RD over Putah South Canal carry?
About 895 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is Allendale RD over Putah South Canal?
The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.
Who owns Allendale RD over Putah South Canal?
It is owned by the County Highway Agency.