US Bridges

Avenue 10 over Cottonwood Creek

Fair

Madera County, California · 0.2 MI E of RD 24 · Structure no. 41C0176

Built
1940
85 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Avenue 10 over Cottonwood Creek is a wood or timber stringer/multi-beam or girder carrying Avenue 10 over Cottonwood Creek in Madera County, California. It was built in 1940, so it is 85 years old, older 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 6 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 50 vehicles a day, projected to reach 28 by 2042. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAvenue 10
CrossesCottonwood Creek
Location0.2 MI E of RD 24
RouteCounty Highway 0
Coordinates36.89471, -120.10519
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating26.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic28 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Avenue 10 over Cottonwood Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Avenue 10 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 Avenue 10 over Cottonwood Creek carry?

About 50 vehicles per day (2020 count).

How long is Avenue 10 over Cottonwood Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Avenue 10 over Cottonwood Creek?

It is owned by the County Highway Agency.