Interstate 5 over Five Mile Slough
GoodSan Joaquin County, California · 10-SJ-005-32.10-STKN · Structure no. 29 0210
- Built
- 1970
- 55 years old, rebuilt 2017
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 111,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Five Mile Slough is a concrete continuous culvert carrying Interstate 5 over Five Mile Slough in San Joaquin County, California. It was built in 1970 and reconstructed in 2017, so it is 55 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 111,000 vehicles a day, roughly 17% of them trucks, projected to reach 133,660 by 2045. The structure is 27 ft (8.1 m) long and 167 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Five Mile Slough built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2017.
What condition is Interstate 5 over Five Mile 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 Interstate 5 over Five Mile Slough carry?
About 111,000 vehicles per day (2009 count), of which roughly 17% are trucks.
How long is Interstate 5 over Five Mile Slough?
The structure is 27 ft (8.1 m) long with a longest span of 13 ft (3.9 m) and a deck 167 ft wide.
Who owns Interstate 5 over Five Mile Slough?
It is owned by the State Highway Agency.