Alamo DR over Putah South Canal
GoodSolano County, California · 0.5 MI W of Nut Tree RD · Structure no. 23C0143
- Built
- 1950
- 75 years old, rebuilt 1983
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 20,190
- 2012 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Alamo DR over Putah South Canal is a concrete slab carrying Alamo DR over Putah South Canal in Solano County, California. It was built in 1950 and reconstructed in 1983, so it is 75 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 20,190 vehicles a day, roughly 5% of them trucks, projected to reach 34,085 by 2042. The structure is 41 ft (12.5 m) long and 76 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Alamo DR over Putah South Canal built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1983.
What condition is Alamo DR 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 Alamo DR over Putah South Canal carry?
About 20,190 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Alamo DR over Putah South Canal?
The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 76 ft wide.
Who owns Alamo DR over Putah South Canal?
It is owned by the City or Municipal Highway Agency.