US Bridges

Holiday Road over Spring Branch Creek

Fair

Shasta County, California · 0.5 MI N Mt Gate Oc · Structure no. 06C0061

Built
1918
107 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
54
2013 count
Owner
County
County Highway Agency

About this bridge

Holiday Road over Spring Branch Creek is a concrete continuous slab carrying Holiday Road over Spring Branch Creek in Shasta County, California. It was built in 1918, so it is 107 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 54 vehicles a day, roughly 5% of them trucks, projected to reach 209 by 2042. The structure is 45 ft (13.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHoliday Road
CrossesSpring Branch Creek
Location0.5 MI N Mt Gate Oc
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.71139, -122.33268
Functional classRural 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2013)
Projected traffic209 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 Spring Branch Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is Holiday Road over Spring Branch 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 September 2023.

How much traffic does Holiday Road over Spring Branch Creek carry?

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

How long is Holiday Road over Spring Branch Creek?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 23 ft wide.

Who owns Holiday Road over Spring Branch Creek?

It is owned by the County Highway Agency.