US Bridges

Ave 12 (firebaugh) over Chowchilla Canal Bypass

Fair

Madera County, California · 1.5 MI Ne/O Avenue 7 1/2 · Structure no. 41C0064

Built
1992
33 years old
Condition
Fair
inspected February 2022
Type
Slab
Concrete Continuous
Length
303 ft
10 main spans
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

Ave 12 (firebaugh) over Chowchilla Canal Bypass is a concrete continuous slab carrying Ave 12 (firebaugh) over Chowchilla Canal Bypass in Madera County, California. It was built in 1992, so it is 33 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 750 vehicles a day, roughly 11% of them trucks, projected to reach 1,095 by 2042. The structure is 303 ft (92.4 m) long and 41 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesAve 12 (firebaugh)
CrossesChowchilla Canal Bypass
Location1.5 MI Ne/O Avenue 7 1/2
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.87176, -120.31884
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadUnknown
Structure length303 ft (92.4 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,095 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Ave 12 (firebaugh) over Chowchilla Canal Bypass built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ave 12 (firebaugh) over Chowchilla Canal Bypass 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 February 2022.

How much traffic does Ave 12 (firebaugh) over Chowchilla Canal Bypass carry?

About 750 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Ave 12 (firebaugh) over Chowchilla Canal Bypass?

The structure is 303 ft (92.4 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns Ave 12 (firebaugh) over Chowchilla Canal Bypass?

It is owned by the County Highway Agency.