US Bridges

Cottonwood RD over Outside Canal

Good

Merced County, California · 1.0 MI E Orchard RD · Structure no. 39C0210

Built
1979
46 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
340
2015 count
Owner
County
County Highway Agency

About this bridge

Cottonwood RD over Outside Canal is a concrete continuous culvert carrying Cottonwood RD over Outside Canal in Merced County, California. It was built in 1979, so it is 46 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 340 vehicles a day, roughly 4% of them trucks, projected to reach 764 by 2041. The structure is 30 ft (9.2 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCottonwood RD
CrossesOutside Canal
Location1.0 MI E Orchard RD
RouteCounty Highway 0
Coordinates37.18784, -121.04803
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span10 ft (3 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2015)
Projected traffic764 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottonwood RD over Outside Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cottonwood RD over Outside Canal 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 2023.

How much traffic does Cottonwood RD over Outside Canal carry?

About 340 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Cottonwood RD over Outside Canal?

The structure is 30 ft (9.2 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Cottonwood RD over Outside Canal?

It is owned by the County Highway Agency.