Kershaw RD over Alamo River
PoorImperial County, California · 1.6 MI N/O Rutherford RD · Structure no. 58C0017
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 98 ft
- 3 main spans
- Daily traffic
- 800
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Kershaw RD over Alamo River is a concrete continuous slab carrying Kershaw RD over Alamo River in Imperial 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 800 vehicles a day, roughly 2% of them trucks, projected to reach 1,065 by 2045. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Kershaw RD over Alamo River built?
It was built in 1970, making it 55 years old in 2025.
What condition is Kershaw RD over Alamo River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.
How much traffic does Kershaw RD over Alamo River carry?
About 800 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Kershaw RD over Alamo River?
The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.
Who owns Kershaw RD over Alamo River?
It is owned by the County Highway Agency.