Orestimba Road over California Aqueduct
FairStanislaus County, California · 1.1 MI West of I-5 · Structure no. 38C0207
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 148 ft
- 2 main spans
- Daily traffic
- 83
- 2018 count
- Owner
- State
- Other State Agency
About this bridge
Orestimba Road over California Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying Orestimba Road over California Aqueduct in Stanislaus County, California. It was built in 1966, so it is 59 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 6 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 83 vehicles a day, roughly 32% of them trucks, projected to reach 332 by 2042. The structure is 148 ft (45.2 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Orestimba Road over California Aqueduct built?
It was built in 1966, making it 59 years old in 2025.
What condition is Orestimba Road over California Aqueduct 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 August 2024.
How much traffic does Orestimba Road over California Aqueduct carry?
About 83 vehicles per day (2018 count), of which roughly 32% are trucks.
How long is Orestimba Road over California Aqueduct?
The structure is 148 ft (45.2 m) long with a longest span of 74 ft (22.6 m) and a deck 32 ft wide.
Who owns Orestimba Road over California Aqueduct?
It is owned by the Other State Agency and maintained by the County Highway Agency.