Sullivan Road over California Aqueduct
FairStanislaus County, California · 1.68 MI West of Eastin RD · Structure no. 38C0200
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 148 ft
- 2 main spans
- Daily traffic
- 75
- 2019 count
- Owner
- State
- Other State Agency
About this bridge
Sullivan Road over California Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying Sullivan Road over California Aqueduct in Stanislaus County, California. It was built in 1964, so it is 61 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 5 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 75 vehicles a day, roughly 26% of them trucks, projected to reach 189 by 2042. The structure is 148 ft (45.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sullivan Road over California Aqueduct built?
It was built in 1964, making it 61 years old in 2025.
What condition is Sullivan 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 2023.
How much traffic does Sullivan Road over California Aqueduct carry?
About 75 vehicles per day (2019 count), of which roughly 26% are trucks.
How long is Sullivan Road over California Aqueduct?
The structure is 148 ft (45.1 m) long with a longest span of 73 ft (22.3 m) and a deck 32 ft wide.
Who owns Sullivan Road over California Aqueduct?
It is owned by the Other State Agency and maintained by the County Highway Agency.