US Bridges

W Riverdale Ave over Riverdale Ditch

Fair

Fresno County, California · 0.02 MI E of Walnut Ave · Structure no. 42C0527

Built
1935
90 years old, rebuilt 1975
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
44 ft
4 main spans
Daily traffic
900
2010 count
Owner
County
County Highway Agency

About this bridge

W Riverdale Ave over Riverdale Ditch is a wood or timber stringer/multi-beam or girder carrying W Riverdale Ave over Riverdale Ditch in Fresno County, California. It was built in 1935 and reconstructed in 1975, so it is 90 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 900 vehicles a day, roughly 5% of them trucks, projected to reach 1,287 by 2042. The structure is 44 ft (13.4 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesW Riverdale Ave
CrossesRiverdale Ditch
Location0.02 MI E of Walnut Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.43832, -119.81583
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckCorrugated steel
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3.2 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2010)
Projected traffic1,287 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W Riverdale Ave over Riverdale Ditch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1975.

What condition is W Riverdale Ave over Riverdale Ditch 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 W Riverdale Ave over Riverdale Ditch carry?

About 900 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is W Riverdale Ave over Riverdale Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3.2 m) and a deck 25 ft wide.

Who owns W Riverdale Ave over Riverdale Ditch?

It is owned by the County Highway Agency.