Interstate 5 NB over Lost Slough
GoodSacramento County, California · 03-SAC-005-1.04 · Structure no. 24 0261R
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 929 ft
- 16 main spans
- Daily traffic
- 26,500
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Lost Slough is a concrete continuous tee beam carrying Interstate 5 NB over Lost Slough in Sacramento County, California. It was built in 1979, so it is 46 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 26,500 vehicles a day, roughly 25% of them trucks, projected to reach 53,777 by 2046. The structure is 929 ft (283.3 m) long and 42 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 |
|---|---|---|
| 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 Lost Slough built?
It was built in 1979, making it 46 years old in 2025.
What condition is Interstate 5 NB over Lost 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 April 2024.
How much traffic does Interstate 5 NB over Lost Slough carry?
About 26,500 vehicles per day (2015 count), of which roughly 25% are trucks.
How long is Interstate 5 NB over Lost Slough?
The structure is 929 ft (283.3 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.
Who owns Interstate 5 NB over Lost Slough?
It is owned by the State Highway Agency.