US Bridges

Baileyflats RD 800 over Chowchilla River

Fair

Madera County, California · 5.4 MI N Green Mtn RD · Structure no. 41C0003

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
192 ft
2 main spans
Daily traffic
51
2020 count
Owner
County
County Highway Agency

About this bridge

Baileyflats RD 800 over Chowchilla River is a concrete continuous box beam or girders - multiple carrying Baileyflats RD 800 over Chowchilla River in Madera County, California. It was built in 1984, so it is 41 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 51 vehicles a day, projected to reach 104 by 2041. The structure is 192 ft (58.5 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesBaileyflats RD 800
CrossesChowchilla River
Location5.4 MI N Green Mtn RD
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates37.28821, -119.86886
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length192 ft (58.5 m)
Longest span95 ft (29 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2020)
Projected traffic104 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Baileyflats RD 800 over Chowchilla River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Baileyflats RD 800 over Chowchilla River 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 Baileyflats RD 800 over Chowchilla River carry?

About 51 vehicles per day (2020 count).

How long is Baileyflats RD 800 over Chowchilla River?

The structure is 192 ft (58.5 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns Baileyflats RD 800 over Chowchilla River?

It is owned by the County Highway Agency.