S Walnut Ave over Riverdale Ditch
PoorFresno County, California · 0.02 MI S of Riverdale Av · Structure no. 42C0378
- Built
- 1940
- 85 years old, rebuilt 1960
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 44 ft
- 4 main spans
- Daily traffic
- 200
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
S Walnut Ave over Riverdale Ditch is a wood or timber stringer/multi-beam or girder carrying S Walnut Ave over Riverdale Ditch in Fresno County, California. It was built in 1940 and reconstructed in 1960, so it is 85 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 161 by 2042. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Walnut Ave over Riverdale Ditch built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.
What condition is S Walnut Ave over Riverdale Ditch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.
How much traffic does S Walnut Ave over Riverdale Ditch carry?
About 200 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is S Walnut Ave over Riverdale Ditch?
The structure is 44 ft (13.4 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.
Who owns S Walnut Ave over Riverdale Ditch?
It is owned by the County Highway Agency.