US Bridges

Oberlin RD (yreka) over Yreka Creek

Good

Siskiyou County, California · 0.1 MI E/O Fairlane RD · Structure no. 02C0042

Built
1959
66 years old
Condition
Good
inspected June 2022
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
1,839
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oberlin RD (yreka) over Yreka Creek is a concrete continuous slab carrying Oberlin RD (yreka) over Yreka Creek in Siskiyou County, California. It was built in 1959, so it is 66 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 1,839 vehicles a day, roughly 10% of them trucks, projected to reach 3,314 by 2040. The structure is 80 ft (24.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOberlin RD (yreka)
CrossesYreka Creek
Location0.1 MI E/O Fairlane RD
RouteCity Street 0
Coordinates41.71577, -122.63639
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length80 ft (24.5 m)
Longest span26 ft (7.9 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,839 (2011)
Projected traffic3,314 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Oberlin RD (yreka) over Yreka Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Oberlin RD (yreka) over Yreka Creek 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 June 2022.

How much traffic does Oberlin RD (yreka) over Yreka Creek carry?

About 1,839 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Oberlin RD (yreka) over Yreka Creek?

The structure is 80 ft (24.5 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.

Who owns Oberlin RD (yreka) over Yreka Creek?

It is owned by the City or Municipal Highway Agency.