US Bridges

Road 29 over Cottonwood Creek

Good

Madera County, California · 0.19 MI N/O Ave 12 · Structure no. 41C0208

Built
2015
10 years old
Condition
Good
inspected February 2022
Type
Slab
Prestressed Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
615
2020 count
Owner
County
County Highway Agency

About this bridge

Road 29 over Cottonwood Creek is a prestressed concrete continuous slab carrying Road 29 over Cottonwood Creek in Madera County, California. It was built in 2015, so it is 10 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 615 vehicles a day, roughly 10% of them trucks, projected to reach 738 by 2044. The structure is 160 ft (48.8 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoad 29
CrossesCottonwood Creek
Location0.19 MI N/O Ave 12
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.92493, -120.01881
Functional classRural Local

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 protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length160 ft (48.8 m)
Longest span64 ft (19.5 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic615 (2020)
Projected traffic738 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 29 over Cottonwood Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Road 29 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 29 over Cottonwood Creek carry?

About 615 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Road 29 over Cottonwood Creek?

The structure is 160 ft (48.8 m) long with a longest span of 64 ft (19.5 m) and a deck 64 ft wide.

Who owns Road 29 over Cottonwood Creek?

It is owned by the County Highway Agency.