Jack Tone RD over Channel a
GoodSan Joaquin County, California · 1 MI N Mariposa RD · Structure no. 29C0162
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 3,213
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Jack Tone RD over Channel a is a concrete continuous slab carrying Jack Tone RD over Channel a in San Joaquin County, California. It was built in 1960, so it is 65 years old, older 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 3,213 vehicles a day, roughly 5% of them trucks, projected to reach 2,180 by 2041. The structure is 73 ft (22.1 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Jack Tone RD over Channel a built?
It was built in 1960, making it 65 years old in 2025.
What condition is Jack Tone RD over Channel a 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 March 2023.
How much traffic does Jack Tone RD over Channel a carry?
About 3,213 vehicles per day (2013 count), of which roughly 5% are trucks.
How long is Jack Tone RD over Channel a?
The structure is 73 ft (22.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns Jack Tone RD over Channel a?
It is owned by the County Highway Agency.