California Street over Mormon Slough
FairSan Joaquin County, California · South Hazleton Ave · Structure no. 29C0236
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 4 main spans
- Daily traffic
- 4,700
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
California Street over Mormon Slough is a concrete continuous slab carrying California Street over Mormon Slough in San Joaquin County, California. It was built in 1958, so it is 67 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 4,700 vehicles a day, roughly 5% of them trucks, projected to reach 5,932 by 2045. The structure is 117 ft (35.7 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was California Street over Mormon Slough built?
It was built in 1958, making it 67 years old in 2025.
What condition is California Street over Mormon Slough 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 January 2025.
How much traffic does California Street over Mormon Slough carry?
About 4,700 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is California Street over Mormon Slough?
The structure is 117 ft (35.7 m) long with a longest span of 33 ft (10.1 m) and a deck 66 ft wide.
Who owns California Street over Mormon Slough?
It is owned by the City or Municipal Highway Agency.