Interstate 5 NB over Fourteen Mile Slough
GoodSan Joaquin County, California · 10-SJ-005-31.00-STKN · Structure no. 29 0175
- Built
- 1968
- 57 years old, rebuilt 2017
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 214 ft
- 7 main spans
- Daily traffic
- 111,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Fourteen Mile Slough is a concrete continuous slab carrying Interstate 5 NB over Fourteen Mile Slough in San Joaquin County, California. It was built in 1968 and reconstructed in 2017, so it is 57 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 23% of them trucks, projected to reach 305,953 by 2047. The structure is 214 ft (65.2 m) long and 179 ft wide. If it were closed, the detour would be 5 mi (8 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 Interstate 5 NB over Fourteen Mile Slough built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2017.
What condition is Interstate 5 NB over Fourteen 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 NB over Fourteen Mile Slough carry?
About 111,000 vehicles per day (2009 count), of which roughly 23% are trucks.
How long is Interstate 5 NB over Fourteen Mile Slough?
The structure is 214 ft (65.2 m) long with a longest span of 32 ft (9.8 m) and a deck 179 ft wide.
Who owns Interstate 5 NB over Fourteen Mile Slough?
It is owned by the State Highway Agency.