US Bridges

Churn Creek RD over Churn Creek

Fair

Shasta County, California · 0.75 MI W Airport RD · Structure no. 06C0086

Built
1952
73 years old, rebuilt 1966
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
8 main spans
Daily traffic
2,000
2014 count
Owner
County
County Highway Agency

About this bridge

Churn Creek RD over Churn Creek is a steel continuous stringer/multi-beam or girder carrying Churn Creek RD over Churn Creek in Shasta County, California. It was built in 1952 and reconstructed in 1966, so it is 73 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 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,000 by 2041. The structure is 214 ft (65.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesChurn Creek RD
CrossesChurn Creek
Location0.75 MI W Airport RD
RouteCounty Highway 0
Coordinates40.48025, -122.3069
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span33 ft (10.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic3,000 by 2041
Trucks10%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Churn Creek RD over Churn Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1966.

What condition is Churn Creek RD 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 March 2024.

How much traffic does Churn Creek RD over Churn Creek carry?

About 2,000 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Churn Creek RD over Churn Creek?

The structure is 214 ft (65.2 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns Churn Creek RD over Churn Creek?

It is owned by the County Highway Agency.