US Bridges

Oasis Road over Churn Creek

Fair

Shasta County, California · 0.2 MI West of I-5 · Structure no. 06C0155

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
111 ft
5 main spans
Daily traffic
5,060
2013 count
Owner
County
County Highway Agency

About this bridge

Oasis Road over Churn Creek is a concrete continuous slab carrying Oasis Road over Churn Creek in Shasta County, California. It was built in 1969, so it is 56 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 5,060 vehicles a day, roughly 5% of them trucks, projected to reach 5,417 by 2043. The structure is 111 ft (33.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOasis Road
CrossesChurn Creek
Location0.2 MI West of I-5
RouteCity Street 0
CountyShasta County
StateCalifornia
Coordinates40.64229, -122.36968
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length111 ft (33.8 m)
Longest span22 ft (6.7 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,060 (2013)
Projected traffic5,417 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oasis Road over Churn Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Oasis Road over Churn Creek 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 May 2023.

How much traffic does Oasis Road over Churn Creek carry?

About 5,060 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Oasis Road over Churn Creek?

The structure is 111 ft (33.8 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.

Who owns Oasis Road over Churn Creek?

It is owned by the County Highway Agency.