Mccoy RD over Susan River
GoodLassen County, California · 1.6 MI S of SR 44 · Structure no. 07C0057
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected September 2021
- Type
- Slab
- Concrete Continuous
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 100
- 1986 count
- Owner
- County
- County Highway Agency
About this bridge
Mccoy RD over Susan River is a concrete continuous slab carrying Mccoy RD over Susan River in Lassen County, California. It was built in 1989, so it is 36 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 225 by 2043. The structure is 52 ft (15.7 m) long and 25 ft wide. If it were closed, the detour would be 24.9 mi (40 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 Mccoy RD over Susan River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Mccoy RD over Susan River 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 September 2021.
How much traffic does Mccoy RD over Susan River carry?
About 100 vehicles per day (1986 count), of which roughly 6% are trucks.
How long is Mccoy RD over Susan River?
The structure is 52 ft (15.7 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.
Who owns Mccoy RD over Susan River?
It is owned by the County Highway Agency.