US Bridges

RD 12 over Fresno Flood Channel

Fair

Madera County, California · 1.0 MI N Ave 14 · Structure no. 41C0112

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
213 ft
8 main spans
Daily traffic
10
1980 count
Owner
County
County Highway Agency

About this bridge

RD 12 over Fresno Flood Channel is a concrete continuous slab carrying RD 12 over Fresno Flood Channel 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 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 10 vehicles a day, projected to reach 34 by 2041. The structure is 213 ft (64.9 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRD 12
CrossesFresno Flood Channel
Location1.0 MI N Ave 14
RouteCounty Highway 0
Coordinates36.96731, -120.3281
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length213 ft (64.9 m)
Longest span28 ft (8.5 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1980)
Projected traffic34 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 RD 12 over Fresno Flood Channel built?

It was built in 1974, making it 51 years old in 2025.

What condition is RD 12 over Fresno Flood Channel 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 March 2023.

How much traffic does RD 12 over Fresno Flood Channel carry?

About 10 vehicles per day (1980 count).

How long is RD 12 over Fresno Flood Channel?

The structure is 213 ft (64.9 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns RD 12 over Fresno Flood Channel?

It is owned by the County Highway Agency.