US Bridges

Vina Road over China Slough

Fair

Tehama County, California · 0.3 MI W/O SR 99 · Structure no. 08C0354

Built
1995
30 years old
Condition
Fair
inspected December 2021
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
545
2021 count
Owner
County
County Highway Agency

About this bridge

Vina Road over China Slough is a concrete continuous culvert carrying Vina Road over China Slough in Tehama County, California. It was built in 1995, so it is 30 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 545 vehicles a day, roughly 5% of them trucks, projected to reach 680 by 2043. The structure is 29 ft (8.8 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesVina Road
CrossesChina Slough
Location0.3 MI W/O SR 99
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates39.93749, -122.04942
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic545 (2021)
Projected traffic680 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Vina Road over China Slough built?

It was built in 1995, making it 30 years old in 2025.

What condition is Vina Road over China 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 December 2021.

How much traffic does Vina Road over China Slough carry?

About 545 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Vina Road over China Slough?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns Vina Road over China Slough?

It is owned by the County Highway Agency.