US Bridges

State Route 20 over Sutter Street

Good

Sutter County, California · 03-SUT-020-16.84-YC · Structure no. 18 0024

Built
1946
79 years old, rebuilt 2003
Condition
Good
inspected September 2021
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
41,750
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 20 over Sutter Street is a concrete continuous slab carrying State Route 20 over Sutter Street in Sutter County, California. It was built in 1946 and reconstructed in 2003, so it is 79 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 41,750 vehicles a day, roughly 5% of them trucks, projected to reach 81,720 by 2043. The structure is 87 ft (26.4 m) long and 89 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 20
CrossesSutter Street
Location03-SUT-020-16.84-YC
RouteState Highway 20
Coordinates39.1425, -121.61214
Functional classUrban Other Principal Arterial

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.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length87 ft (26.4 m)
Longest span36 ft (11 m)
Deck width89 ft (27.1 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,750 (2009)
Projected traffic81,720 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Sutter Street built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2003.

What condition is State Route 20 over Sutter Street 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 2021.

How much traffic does State Route 20 over Sutter Street carry?

About 41,750 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 20 over Sutter Street?

The structure is 87 ft (26.4 m) long with a longest span of 36 ft (11 m) and a deck 89 ft wide.

Who owns State Route 20 over Sutter Street?

It is owned by the State Highway Agency.