Interstate 5 over Cortina Creek Overflow
GoodColusa County, California · 03-COL-005-R11.83 · Structure no. 15 0044
- Built
- 1946
- 79 years old, rebuilt 1967
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 33,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Cortina Creek Overflow is a concrete continuous culvert carrying Interstate 5 over Cortina Creek Overflow in Colusa County, California. It was built in 1946 and reconstructed in 1967, so it is 79 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 33,000 vehicles a day, roughly 30% of them trucks, projected to reach 44,053 by 2044. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 11.8 mi (19 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 Cortina Creek Overflow built?
It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1967.
What condition is Interstate 5 over Cortina Creek 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 2024.
How much traffic does Interstate 5 over Cortina Creek Overflow carry?
About 33,000 vehicles per day (2017 count), of which roughly 30% are trucks.
How long is Interstate 5 over Cortina Creek Overflow?
The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).
Who owns Interstate 5 over Cortina Creek Overflow?
It is owned by the State Highway Agency.