US Bridges

South Butte Road over Wadsworth Canal

Fair

Sutter County, California · 1 MI East of Sutter · Structure no. 18C0112

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
142 ft
4 main spans
Daily traffic
1,252
2015 count
Owner
County
County Highway Agency

About this bridge

South Butte Road over Wadsworth Canal is a concrete continuous slab carrying South Butte Road over Wadsworth Canal in Sutter County, California. It was built in 1996, so it is 29 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 1,252 vehicles a day, roughly 3% of them trucks, projected to reach 4,368 by 2046. The structure is 142 ft (43.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Butte Road
CrossesWadsworth Canal
Location1 MI East of Sutter
RouteCounty Highway 0
Coordinates39.15321, -121.73475
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length142 ft (43.4 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,252 (2015)
Projected traffic4,368 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 South Butte Road over Wadsworth Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is South Butte Road over Wadsworth Canal 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 September 2024.

How much traffic does South Butte Road over Wadsworth Canal carry?

About 1,252 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is South Butte Road over Wadsworth Canal?

The structure is 142 ft (43.4 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns South Butte Road over Wadsworth Canal?

It is owned by the County Highway Agency.