Merrill Road over Merrill Slough
FairTehama County, California · West of Wisconsin Ave · Structure no. 08C0300
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 90
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Merrill Road over Merrill Slough is a concrete slab carrying Merrill Road over Merrill Slough in Tehama County, California. It was built in 1962, so it is 63 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 90 vehicles a day, roughly 3% of them trucks, projected to reach 193 by 2043. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Merrill Road over Merrill Slough built?
It was built in 1962, making it 63 years old in 2025.
What condition is Merrill Road over Merrill Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.
How much traffic does Merrill Road over Merrill Slough carry?
About 90 vehicles per day (2010 count), of which roughly 3% are trucks.
How long is Merrill Road over Merrill Slough?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.
Who owns Merrill Road over Merrill Slough?
It is owned by the County Highway Agency.