US Bridges

State Route 20 over Wadsworth Canal

Good

Sutter County, California · 03-SUT-020-9.76 · Structure no. 18 0052

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
182 ft
5 main spans
Daily traffic
10,500
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 20 over Wadsworth Canal is a concrete continuous slab carrying State Route 20 over Wadsworth Canal in Sutter County, California. It was built in 2021, so it is 4 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 10,500 vehicles a day, roughly 9% of them trucks, projected to reach 14,396 by 2043. The structure is 182 ft (55.5 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesState Route 20
CrossesWadsworth Canal
Location03-SUT-020-9.76
RouteState Highway 20
CountySutter County
StateCalifornia
Coordinates39.14211, -121.74321
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length182 ft (55.5 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2019)
Projected traffic14,396 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 20 over Wadsworth Canal built?

It was built in 2021, making it 4 years old in 2025.

What condition is State Route 20 over Wadsworth 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 September 2023.

How much traffic does State Route 20 over Wadsworth Canal carry?

About 10,500 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is State Route 20 over Wadsworth Canal?

The structure is 182 ft (55.5 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns State Route 20 over Wadsworth Canal?

It is owned by the State Highway Agency.