Interstate 5 over Funk Slough Overflow
GoodColusa County, California · 03-COL-005-R29.02 · Structure no. 15 0077R
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 125 ft
- 5 main spans
- Daily traffic
- 12,500
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Funk Slough Overflow is a concrete continuous slab carrying Interstate 5 over Funk Slough Overflow in Colusa County, California. It was built in 1971, so it is 54 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 12,500 vehicles a day, roughly 35% of them trucks, projected to reach 21,495 by 2043. The structure is 125 ft (38.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Funk Slough Overflow built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 over Funk Slough Overflow 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 Funk Slough Overflow carry?
About 12,500 vehicles per day (2013 count), of which roughly 35% are trucks.
How long is Interstate 5 over Funk Slough Overflow?
The structure is 125 ft (38.1 m) long with a longest span of 26 ft (7.9 m) and a deck 41 ft wide.
Who owns Interstate 5 over Funk Slough Overflow?
It is owned by the State Highway Agency.