Sinclair Road over Alamo River
GoodImperial County, California · 3.3 MI W/O SR 111 · Structure no. 58C0216
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 144 ft
- 4 main spans
- Daily traffic
- 550
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Sinclair Road over Alamo River is a concrete continuous slab carrying Sinclair Road over Alamo River in Imperial County, California. It was built in 1994, so it is 31 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 550 vehicles a day, roughly 2% of them trucks, projected to reach 954 by 2041. The structure is 144 ft (43.9 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 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 Sinclair Road over Alamo River built?
It was built in 1994, making it 31 years old in 2025.
What condition is Sinclair Road over Alamo River 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 December 2023.
How much traffic does Sinclair Road over Alamo River carry?
About 550 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is Sinclair Road over Alamo River?
The structure is 144 ft (43.9 m) long with a longest span of 36 ft (11 m) and a deck 34 ft wide.
Who owns Sinclair Road over Alamo River?
It is owned by the County Highway Agency.