US Bridges

Road 25 over Cottonwood Creek

Fair

Madera County, California · 0.1 MI N of Ave 10 · Structure no. 41C0110

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
837
2020 count
Owner
County
County Highway Agency

About this bridge

Road 25 over Cottonwood Creek is a concrete continuous slab carrying Road 25 over Cottonwood Creek in Madera County, California. It was built in 1973, so it is 52 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 837 vehicles a day, roughly 10% of them trucks, projected to reach 1,067 by 2042. The structure is 87 ft (26.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoad 25
CrossesCottonwood Creek
Location0.1 MI N of Ave 10
RouteCounty Highway 0
Coordinates36.89661, -120.09229
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic837 (2020)
Projected traffic1,067 by 2042
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Road 25 over Cottonwood Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Road 25 over Cottonwood Creek 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 March 2024.

How much traffic does Road 25 over Cottonwood Creek carry?

About 837 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Road 25 over Cottonwood Creek?

The structure is 87 ft (26.5 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Road 25 over Cottonwood Creek?

It is owned by the County Highway Agency.