US Bridges

Fairlane Road over Yreka Creek

Fair

Siskiyou County, California · 0.3 MI S/O Sharps RD · Structure no. 02C0149

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
1,081
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fairlane Road over Yreka Creek is a concrete continuous tee beam carrying Fairlane Road over Yreka Creek in Siskiyou 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 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 1,081 vehicles a day, roughly 5% of them trucks, projected to reach 3,314 by 2042. The structure is 173 ft (52.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFairlane Road
CrossesYreka Creek
Location0.3 MI S/O Sharps RD
RouteCity Street 0
Coordinates41.7055, -122.6417
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length173 ft (52.7 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,081 (2011)
Projected traffic3,314 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Fairlane Road over Yreka Creek built?

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

What condition is Fairlane Road over Yreka 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 June 2024.

How much traffic does Fairlane Road over Yreka Creek carry?

About 1,081 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Fairlane Road over Yreka Creek?

The structure is 173 ft (52.7 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns Fairlane Road over Yreka Creek?

It is owned by the City or Municipal Highway Agency.