US Bridges

East Butte RD over Snake River

Fair

Sutter County, California · 1.8 MI N/O Sanders RD · Structure no. 18C0093

Built
1925
100 years old
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Concrete
Length
42 ft
1 main span
Daily traffic
768
2015 count
Owner
County
County Highway Agency

About this bridge

East Butte RD over Snake River is a concrete girder and floorbeam system carrying East Butte RD over Snake River in Sutter County, California. It was built in 1925, so it is 100 years old, older 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 768 vehicles a day, roughly 8% of them trucks, projected to reach 301 by 2042. The structure is 42 ft (12.9 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesEast Butte RD
CrossesSnake River
Location1.8 MI N/O Sanders RD
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates39.22754, -121.71779
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span37 ft (11.3 m)
Deck width25 ft (7.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2015)
Projected traffic301 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 East Butte RD over Snake River built?

It was built in 1925, making it 100 years old in 2025.

What condition is East Butte RD over Snake River 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 February 2024.

How much traffic does East Butte RD over Snake River carry?

About 768 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is East Butte RD over Snake River?

The structure is 42 ft (12.9 m) long with a longest span of 37 ft (11.3 m) and a deck 25 ft wide.

Who owns East Butte RD over Snake River?

It is owned by the County Highway Agency.