Murphy Road over Irrigation Ditch
GoodSan Joaquin County, California · 1.0 MI S of Mariposa RD · Structure no. 29C0324
- Built
- 1926
- 99 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 520
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Murphy Road over Irrigation Ditch is a concrete continuous slab carrying Murphy Road over Irrigation Ditch in San Joaquin County, California. It was built in 1926, so it is 99 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 520 vehicles a day, roughly 5% of them trucks, projected to reach 657 by 2045. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Murphy Road over Irrigation Ditch built?
It was built in 1926, making it 99 years old in 2025.
What condition is Murphy Road over Irrigation Ditch 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 Murphy Road over Irrigation Ditch carry?
About 520 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Murphy Road over Irrigation Ditch?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 22 ft wide.
Who owns Murphy Road over Irrigation Ditch?
It is owned by the County Highway Agency.