US Bridges

State Route 20 over Sacramento Riv(meridian)

Fair

Sutter County, California · 03-SUT-020-R0.01 · Structure no. 18 0008

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Movable - Swing
Steel Continuous
Length
678 ft
2 main spans
Daily traffic
7,600
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 20 over Sacramento Riv(meridian) is a steel continuous movable - swing carrying State Route 20 over Sacramento Riv(meridian) in Sutter County, California. It was built in 1977, so it is 48 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 6 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 7,600 vehicles a day, projected to reach 11,524 by 2043. The structure is 678 ft (206.6 m) long and 48 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesState Route 20
CrossesSacramento Riv(meridian)
Location03-SUT-020-R0.01
RouteState Highway 20
CountySutter County
StateCalifornia
Coordinates39.14561, -121.91901
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating70.3 US tons

Structure

Structure typeMovable - Swing
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length678 ft (206.6 m)
Longest span180 ft (54.8 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck43 ft (13.1 m)

Traffic and service

Average daily traffic7,600 (2009)
Projected traffic11,524 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was State Route 20 over Sacramento Riv(meridian) built?

It was built in 1977, making it 48 years old in 2025.

What condition is State Route 20 over Sacramento Riv(meridian) 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 Sacramento Riv(meridian) carry?

About 7,600 vehicles per day (2009 count).

How long is State Route 20 over Sacramento Riv(meridian)?

The structure is 678 ft (206.6 m) long with a longest span of 180 ft (54.8 m) and a deck 48 ft wide.

Who owns State Route 20 over Sacramento Riv(meridian)?

It is owned by the State Highway Agency.