US Bridges

C.R. 20A over Winters Canal

Good

Yolo County, California · 0.32 MI E of C.R. 85B · Structure no. 22C0098

Built
1939
86 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
374
2002 count
Owner
County
County Highway Agency

About this bridge

C.R. 20A over Winters Canal is a concrete continuous slab carrying C.R. 20A over Winters Canal in Yolo County, California. It was built in 1939, so it is 86 years old, older 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 374 vehicles a day, roughly 10% of them trucks, projected to reach 436 by 2041. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC.R. 20A
CrossesWinters Canal
Location0.32 MI E of C.R. 85B
RouteCounty Highway 0
Coordinates38.69564, -122.0325
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2002)
Projected traffic436 by 2041
Trucks10%
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 C.R. 20A over Winters Canal built?

It was built in 1939, making it 86 years old in 2025.

What condition is C.R. 20A over Winters 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 October 2023.

How much traffic does C.R. 20A over Winters Canal carry?

About 374 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is C.R. 20A over Winters Canal?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns C.R. 20A over Winters Canal?

It is owned by the County Highway Agency.