US Bridges

C.R. 800 over Mid Fork Chowchilla Riv

FairPosted for load

Madera County, California · 4 MI NE of CR 820 · Structure no. 41C0165

Built
1956
69 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
123 ft
1 main span
Daily traffic
51
1980 count
Owner
County
County Highway Agency

About this bridge

C.R. 800 over Mid Fork Chowchilla Riv is a steel truss - thru carrying C.R. 800 over Mid Fork Chowchilla Riv in Madera County, California. It was built in 1956, so it is 69 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. Its operating status is: posted for other load-capacity restriction.

It carries about 51 vehicles a day, projected to reach 83 by 2041. The structure is 123 ft (37.5 m) long and 22 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesC.R. 800
CrossesMid Fork Chowchilla Riv
Location4 MI NE of CR 820
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates37.33066, -119.8313
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating17.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length123 ft (37.5 m)
Longest span120 ft (36.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic51 (1980)
Projected traffic83 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 C.R. 800 over Mid Fork Chowchilla Riv built?

It was built in 1956, making it 69 years old in 2025.

What condition is C.R. 800 over Mid Fork Chowchilla Riv 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 September 2023.

How much traffic does C.R. 800 over Mid Fork Chowchilla Riv carry?

About 51 vehicles per day (1980 count).

How long is C.R. 800 over Mid Fork Chowchilla Riv?

The structure is 123 ft (37.5 m) long with a longest span of 120 ft (36.6 m) and a deck 22 ft wide.

Who owns C.R. 800 over Mid Fork Chowchilla Riv?

It is owned by the County Highway Agency.