Walker Lane over Mormon Slough
FairSan Joaquin County, California · 0.3 MI S Main ST · Structure no. 29C0103
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 1,615
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Walker Lane over Mormon Slough is a concrete continuous slab carrying Walker Lane over Mormon Slough in San Joaquin County, California. It was built in 1974, so it is 51 years old, younger 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 1,615 vehicles a day, roughly 10% of them trucks, projected to reach 2,091 by 2045. The structure is 72 ft (21.9 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Walker Lane over Mormon Slough built?
It was built in 1974, making it 51 years old in 2025.
What condition is Walker Lane 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 Walker Lane over Mormon Slough carry?
About 1,615 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is Walker Lane over Mormon Slough?
The structure is 72 ft (21.9 m) long with a longest span of 28 ft (8.5 m) and a deck 41 ft wide.
Who owns Walker Lane over Mormon Slough?
It is owned by the County Highway Agency.