Mariners DR over Mosher Slough
GoodSan Joaquin County, California · 0.1 KM W of RTE 5 · Structure no. 29C0402
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 132 ft
- 3 main spans
- Daily traffic
- 3,300
- 2003 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mariners DR over Mosher Slough is a concrete continuous tee beam carrying Mariners DR over Mosher Slough in San Joaquin County, California. It was built in 1975, so it is 50 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,300 vehicles a day, roughly 2% of them trucks, projected to reach 4,274 by 2043. The structure is 132 ft (40.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Mariners DR over Mosher Slough built?
It was built in 1975, making it 50 years old in 2025.
What condition is Mariners DR over Mosher Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does Mariners DR over Mosher Slough carry?
About 3,300 vehicles per day (2003 count), of which roughly 2% are trucks.
How long is Mariners DR over Mosher Slough?
The structure is 132 ft (40.2 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.
Who owns Mariners DR over Mosher Slough?
It is owned by the City or Municipal Highway Agency.