US Bridges

Avenue 14 over Chowchilla Canal Bypass

Fair

Madera County, California · 1.7 MI East of Road 9 · Structure no. 41C0086

Built
1965
60 years old, rebuilt 1991
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
321 ft
11 main spans
Daily traffic
225
1992 count
Owner
County
County Highway Agency

About this bridge

Avenue 14 over Chowchilla Canal Bypass is a concrete continuous slab carrying Avenue 14 over Chowchilla Canal Bypass in Madera County, California. It was built in 1965 and reconstructed in 1991, so it is 60 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 225 vehicles a day, roughly 16% of them trucks, projected to reach 349 by 2041. The structure is 321 ft (97.8 m) long and 31 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesAvenue 14
CrossesChowchilla Canal Bypass
Location1.7 MI East of Road 9
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.95255, -120.35107
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans11
Design loadUnknown
Structure length321 ft (97.8 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (1992)
Projected traffic349 by 2041
Trucks16%
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 Avenue 14 over Chowchilla Canal Bypass built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1991.

What condition is Avenue 14 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 March 2023.

How much traffic does Avenue 14 over Chowchilla Canal Bypass carry?

About 225 vehicles per day (1992 count), of which roughly 16% are trucks.

How long is Avenue 14 over Chowchilla Canal Bypass?

The structure is 321 ft (97.8 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Avenue 14 over Chowchilla Canal Bypass?

It is owned by the County Highway Agency.