US Bridges

State Route 20 over Abandoned UP RR Spur

Good

Sutter County, California · 03-SUT-020-16.98-YC · Structure no. 18 0004

Built
1946
79 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
41,750
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 20 over Abandoned UP RR Spur is a concrete slab carrying State Route 20 over Abandoned UP RR Spur in Sutter County, California. It was built in 1946, 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 78,368 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 20
CrossesAbandoned UP RR Spur
Location03-SUT-020-16.98-YC
RouteState Highway 20
Coordinates39.14315, -121.60967
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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,750 (2009)
Projected traffic78,368 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
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 Abandoned UP RR Spur built?

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

What condition is State Route 20 over Abandoned UP RR Spur 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 Abandoned UP RR Spur carry?

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

How long is State Route 20 over Abandoned UP RR Spur?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m).

Who owns State Route 20 over Abandoned UP RR Spur?

It is owned by the State Highway Agency.