US Bridges

Tehama-Vina RD over Champlin Slough

Fair

Tehama County, California · 0.7 MI E of S.H. 99 · Structure no. 08C0349

Built
1990
35 years old
Condition
Fair
inspected February 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
400
2006 count
Owner
County
County Highway Agency

About this bridge

Tehama-Vina RD over Champlin Slough is a concrete continuous culvert carrying Tehama-Vina RD over Champlin Slough in Tehama County, California. It was built in 1990, so it is 35 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 400 vehicles a day, roughly 3% of them trucks, projected to reach 663 by 2044. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesTehama-Vina RD
CrossesChamplin Slough
Location0.7 MI E of S.H. 99
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.0273, -122.08753
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2006)
Projected traffic663 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Tehama-Vina RD over Champlin Slough built?

It was built in 1990, making it 35 years old in 2025.

What condition is Tehama-Vina RD over Champlin Slough 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 2022.

How much traffic does Tehama-Vina RD over Champlin Slough carry?

About 400 vehicles per day (2006 count), of which roughly 3% are trucks.

How long is Tehama-Vina RD over Champlin Slough?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Tehama-Vina RD over Champlin Slough?

It is owned by the County Highway Agency.