US Bridges

Canby RD over West Branch Churn Creek

Good

Shasta County, California · 0.3 MI N/O SR 44 · Structure no. 06C0159

Built
1968
57 years old, rebuilt 1973
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
4,761
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canby RD over West Branch Churn Creek is a concrete continuous culvert carrying Canby RD over West Branch Churn Creek in Shasta County, California. It was built in 1968 and reconstructed in 1973, so it is 57 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,761 vehicles a day, roughly 2% of them trucks, projected to reach 5,771 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCanby RD
CrossesWest Branch Churn Creek
Location0.3 MI N/O SR 44
RouteCity Street 0
Coordinates40.58947, -122.35315
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,761 (2012)
Projected traffic5,771 by 2043
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Canby RD over West Branch Churn Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1973.

What condition is Canby RD over West Branch Churn Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Canby RD over West Branch Churn Creek carry?

About 4,761 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Canby RD over West Branch Churn Creek?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m).

Who owns Canby RD over West Branch Churn Creek?

It is owned by the City or Municipal Highway Agency.