US Bridges

C.R. 810 over E Fk Chowchilla River

PoorPosted for load

Madera County, California · 0.1 MI SE of CR 800 · Structure no. 41C0183

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
2 main spans
Daily traffic
25
1980 count
Owner
County
County Highway Agency

About this bridge

C.R. 810 over E Fk Chowchilla River is a steel stringer/multi-beam or girder carrying C.R. 810 over E Fk Chowchilla River in Madera County, California. It was built in 1965, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 25 vehicles a day, projected to reach 55 by 2041. The structure is 90 ft (27.4 m) long and 10 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesC.R. 810
CrossesE Fk Chowchilla River
Location0.1 MI SE of CR 800
RouteCounty Highway 0
Coordinates37.34248, -119.81079
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.6 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans2
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span45 ft (13.6 m)
Deck width10 ft (3.2 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1980)
Projected traffic55 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$355,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C.R. 810 over E Fk Chowchilla River built?

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

What condition is C.R. 810 over E Fk Chowchilla River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does C.R. 810 over E Fk Chowchilla River carry?

About 25 vehicles per day (1980 count).

How long is C.R. 810 over E Fk Chowchilla River?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.6 m) and a deck 10 ft wide.

Who owns C.R. 810 over E Fk Chowchilla River?

It is owned by the County Highway Agency.