Cohasset HWY over State Route 99
GoodButte County, California · 03-BUT-099-R34.25-CHC · Structure no. 12 0168
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 245 ft
- 4 main spans
- Daily traffic
- 27,008
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Cohasset HWY over State Route 99 is a concrete continuous box beam or girders - multiple carrying Cohasset HWY over State Route 99 in Butte County, California. It was built in 1966, so it is 59 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 27,008 vehicles a day, roughly 10% of them trucks, projected to reach 32,263 by 2042. The structure is 245 ft (74.7 m) long and 72 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cohasset HWY over State Route 99 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Cohasset HWY over State Route 99 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 Cohasset HWY over State Route 99 carry?
About 27,008 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cohasset HWY over State Route 99?
The structure is 245 ft (74.7 m) long with a longest span of 87 ft (26.4 m) and a deck 72 ft wide.
Who owns Cohasset HWY over State Route 99?
It is owned by the State Highway Agency.