US Bridges

Canyon Creek RD over Canyon Hollow Creek

Fair

Shasta County, California · 40FT SW from Westside RD · Structure no. 06C0145

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
500
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canyon Creek RD over Canyon Hollow Creek is a concrete continuous culvert carrying Canyon Creek RD over Canyon Hollow Creek in Shasta County, California. It was built in 1960, so it is 65 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 500 vehicles a day, roughly 20% of them trucks, projected to reach 962 by 2041. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCanyon Creek RD
CrossesCanyon Hollow Creek
Location40FT SW from Westside RD
RouteCity Street 0
Coordinates40.55351, -122.39008
Functional classUrban 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2014)
Projected traffic962 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Canyon Creek RD over Canyon Hollow Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Canyon Creek RD over Canyon Hollow 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 Canyon Creek RD over Canyon Hollow Creek carry?

About 500 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is Canyon Creek RD over Canyon Hollow Creek?

The structure is 53 ft (16.2 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns Canyon Creek RD over Canyon Hollow Creek?

It is owned by the City or Municipal Highway Agency.