Avenue 21 over Berenda Slough
FairMadera County, California · 0.55 MI E of RD 14 · Structure no. 41C0105
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 115 ft
- 4 main spans
- Daily traffic
- 128
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Avenue 21 over Berenda Slough is a concrete continuous slab carrying Avenue 21 over Berenda Slough in Madera County, California. It was built in 1974, so it is 51 years old, younger 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 6 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 128 vehicles a day, roughly 10% of them trucks, projected to reach 173 by 2042. The structure is 115 ft (35.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Avenue 21 over Berenda Slough built?
It was built in 1974, making it 51 years old in 2025.
What condition is Avenue 21 over Berenda 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 January 2024.
How much traffic does Avenue 21 over Berenda Slough carry?
About 128 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is Avenue 21 over Berenda Slough?
The structure is 115 ft (35.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns Avenue 21 over Berenda Slough?
It is owned by the County Highway Agency.