Road 8 over Ash Slough
GoodMadera County, California · 0.3 Miles South of Ave 22 · Structure no. 41C0101
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected March 2021
- Type
- Slab
- Concrete Continuous
- Length
- 302 ft
- 10 main spans
- Daily traffic
- 260
- 1980 count
- Owner
- County
- County Highway Agency
About this bridge
Road 8 over Ash Slough is a concrete continuous slab carrying Road 8 over Ash Slough in Madera County, California. It was built in 1969, so it is 56 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 260 vehicles a day, roughly 10% of them trucks, projected to reach 452 by 2043. The structure is 302 ft (92 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road 8 over Ash Slough built?
It was built in 1969, making it 56 years old in 2025.
What condition is Road 8 over Ash Slough 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 March 2021.
How much traffic does Road 8 over Ash Slough carry?
About 260 vehicles per day (1980 count), of which roughly 10% are trucks.
How long is Road 8 over Ash Slough?
The structure is 302 ft (92 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.
Who owns Road 8 over Ash Slough?
It is owned by the County Highway Agency.