US Bridges

Clark RD over Sutter-Butte Cnl S Brnch

Poor

Sutter County, California · 0.1 MI W of Madden RD · Structure no. 18C0102

Built
1950
75 years old
Condition
Poor
inspected February 2025
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
690
2015 count
Owner
County
County Highway Agency

About this bridge

Clark RD over Sutter-Butte Cnl S Brnch is a concrete continuous culvert carrying Clark RD over Sutter-Butte Cnl S Brnch in Sutter County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 690 vehicles a day, roughly 7% of them trucks, projected to reach 829 by 2043. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesClark RD
CrossesSutter-Butte Cnl S Brnch
Location0.1 MI W of Madden RD
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates39.23265, -121.66948
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2015)
Projected traffic829 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$285,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clark RD over Sutter-Butte Cnl S Brnch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Clark RD over Sutter-Butte Cnl S Brnch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Clark RD over Sutter-Butte Cnl S Brnch carry?

About 690 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Clark RD over Sutter-Butte Cnl S Brnch?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 23 ft wide.

Who owns Clark RD over Sutter-Butte Cnl S Brnch?

It is owned by the County Highway Agency.