US Bridges

Road 23 over Cottonwood Creek

Good

Madera County, California · S/O Avenue 10 · Structure no. 41C0195

Built
1995
30 years old
Condition
Good
inspected February 2022
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
700
2020 count
Owner
County
County Highway Agency

About this bridge

Road 23 over Cottonwood Creek is a concrete continuous slab carrying Road 23 over Cottonwood Creek in Madera County, California. It was built in 1995, so it is 30 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 8% of them trucks, projected to reach 962 by 2044. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRoad 23
CrossesCottonwood Creek
LocationS/O Avenue 10
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.89367, -120.12854
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic962 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Road 23 over Cottonwood Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Road 23 over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2022.

How much traffic does Road 23 over Cottonwood Creek carry?

About 700 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Road 23 over Cottonwood Creek?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns Road 23 over Cottonwood Creek?

It is owned by the County Highway Agency.