US Bridges

State Route 20 over Smartsville Farm Canal

Fair

Yuba County, California · 03-YUB-020-R20.92 · Structure no. 16 0052

Built
2019
6 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
2 main spans
Daily traffic
8,421
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 20 over Smartsville Farm Canal is a prestressed concrete stringer/multi-beam or girder carrying State Route 20 over Smartsville Farm Canal in Yuba County, California. It was built in 2019, so it is 6 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 8,421 vehicles a day, roughly 6% of them trucks, projected to reach 13,633 by 2045. The structure is 302 ft (92 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Route 20
CrossesSmartsville Farm Canal
Location03-YUB-020-R20.92
RouteState Highway 20
CountyYuba County
StateCalifornia
Coordinates39.20094, -121.29468
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length302 ft (92 m)
Longest span149 ft (45.3 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,421 (2019)
Projected traffic13,633 by 2045
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 20 over Smartsville Farm Canal built?

It was built in 2019, making it 6 years old in 2025.

What condition is State Route 20 over Smartsville Farm 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 2023.

How much traffic does State Route 20 over Smartsville Farm Canal carry?

About 8,421 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is State Route 20 over Smartsville Farm Canal?

The structure is 302 ft (92 m) long with a longest span of 149 ft (45.3 m) and a deck 44 ft wide.

Who owns State Route 20 over Smartsville Farm Canal?

It is owned by the State Highway Agency.