US Bridges

S Cow Creek Road over Townsend Gulch

Good

Shasta County, California · 4.8 MI NE of S.R. 44 · Structure no. 06C0278

Built
1965
60 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
40
2013 count
Owner
County
County Highway Agency

About this bridge

S Cow Creek Road over Townsend Gulch is a concrete continuous slab carrying S Cow Creek Road over Townsend Gulch in Shasta County, California. It was built in 1965, so it is 60 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2045. The structure is 58 ft (17.7 m) long and 20 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesS Cow Creek Road
CrossesTownsend Gulch
Location4.8 MI NE of S.R. 44
RouteCounty Highway 0
Coordinates40.55794, -122.04298
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2013)
Projected traffic160 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 S Cow Creek Road over Townsend Gulch built?

It was built in 1965, making it 60 years old in 2025.

What condition is S Cow Creek Road over Townsend Gulch 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 September 2024.

How much traffic does S Cow Creek Road over Townsend Gulch carry?

About 40 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is S Cow Creek Road over Townsend Gulch?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns S Cow Creek Road over Townsend Gulch?

It is owned by the County Highway Agency.