US Bridges

Holiday Road over West Fork Stillwater Crk

Fair

Shasta County, California · 1.0 MI N Old Oregon Trail · Structure no. 06C0087

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
54
2013 count
Owner
County
County Highway Agency

About this bridge

Holiday Road over West Fork Stillwater Crk is a concrete continuous culvert carrying Holiday Road over West Fork Stillwater Crk in Shasta County, California. It was built in 1970, so it is 55 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 54 vehicles a day, roughly 5% of them trucks, projected to reach 105 by 2042. The structure is 37 ft (11.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHoliday Road
CrossesWest Fork Stillwater Crk
Location1.0 MI N Old Oregon Trail
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.71698, -122.32939
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2013)
Projected traffic105 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Holiday Road over West Fork Stillwater Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is Holiday Road over West Fork Stillwater Crk 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 September 2023.

How much traffic does Holiday Road over West Fork Stillwater Crk carry?

About 54 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Holiday Road over West Fork Stillwater Crk?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Holiday Road over West Fork Stillwater Crk?

It is owned by the County Highway Agency.