US Bridges

Harry Cash Road over Little Shasta River

Fair

Siskiyou County, California · 0.25 MI S of Ball Mtn RD · Structure no. 02C0165

Built
1920
105 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
353
2020 count
Owner
County
County Highway Agency

About this bridge

Harry Cash Road over Little Shasta River is a concrete tee beam carrying Harry Cash Road over Little Shasta River in Siskiyou County, California. It was built in 1920, so it is 105 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 353 vehicles a day, roughly 5% of them trucks, projected to reach 427 by 2041. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHarry Cash Road
CrossesLittle Shasta River
Location0.25 MI S of Ball Mtn RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.72278, -122.36961
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2020)
Projected traffic427 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Harry Cash Road over Little Shasta River built?

It was built in 1920, making it 105 years old in 2025.

What condition is Harry Cash Road over Little Shasta River 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 August 2024.

How much traffic does Harry Cash Road over Little Shasta River carry?

About 353 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Harry Cash Road over Little Shasta River?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.6 m) and a deck 18 ft wide.

Who owns Harry Cash Road over Little Shasta River?

It is owned by the County Highway Agency.