Kelley Road over Mosher Slough
FairSan Joaquin County, California · East of I-5 Pm 33.5 · Structure no. 29C0434
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected January 2025
- Type
- Arch - Deck
- Steel
- Length
- 55 ft
- 2 main spans
- Daily traffic
- 9,100
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Kelley Road over Mosher Slough is a steel arch - deck carrying Kelley Road over Mosher Slough in San Joaquin County, California. It was built in 1980, so it is 45 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 9,100 vehicles a day, roughly 3% of them trucks, projected to reach 15,278 by 2045. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Kelley Road over Mosher Slough built?
It was built in 1980, making it 45 years old in 2025.
What condition is Kelley Road over Mosher 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 Kelley Road over Mosher Slough carry?
About 9,100 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Kelley Road over Mosher Slough?
The structure is 55 ft (16.8 m) long with a longest span of 27 ft (8.1 m).
Who owns Kelley Road over Mosher Slough?
It is owned by the City or Municipal Highway Agency.