Interstate 5 SB over Cnfr & Old HWY 99W
GoodColusa County, California · 03-COL-005-R29.22 · Structure no. 15 0065L
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 429 ft
- 5 main spans
- Daily traffic
- 12,500
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Cnfr & Old HWY 99W is a concrete continuous box beam or girders - multiple carrying Interstate 5 SB over Cnfr & Old HWY 99W 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 429 ft (130.8 m) long and 41 ft wide. If it were closed, the detour would be 37.9 mi (61 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 SB over Cnfr & Old HWY 99W built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 SB over Cnfr & Old HWY 99W 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 SB over Cnfr & Old HWY 99W carry?
About 12,500 vehicles per day (2013 count), of which roughly 35% are trucks.
How long is Interstate 5 SB over Cnfr & Old HWY 99W?
The structure is 429 ft (130.8 m) long with a longest span of 103 ft (31.4 m) and a deck 41 ft wide.
Who owns Interstate 5 SB over Cnfr & Old HWY 99W?
It is owned by the State Highway Agency.