US Bridges

Elk Creek Road over Klamath River

Fair

Siskiyou County, California · 0.3 MI S of SH 96 · Structure no. 02C0227

Built
1953
72 years old
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
551 ft
1 main span
Daily traffic
1,392
2011 count
Owner
County
County Highway Agency

About this bridge

Elk Creek Road over Klamath River is a steel truss - thru carrying Elk Creek Road over Klamath River in Siskiyou County, California. It was built in 1953, so it is 72 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 6 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 1,392 vehicles a day, roughly 15% of them trucks, projected to reach 2,217 by 2046. The structure is 551 ft (167.9 m) long and 33 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesElk Creek Road
CrossesKlamath River
Location0.3 MI S of SH 96
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.78976, -123.37755
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length551 ft (167.9 m)
Longest span250 ft (76.2 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic1,392 (2011)
Projected traffic2,217 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Elk Creek Road over Klamath River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Elk Creek Road over Klamath 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 July 2024.

How much traffic does Elk Creek Road over Klamath River carry?

About 1,392 vehicles per day (2011 count), of which roughly 15% are trucks.

How long is Elk Creek Road over Klamath River?

The structure is 551 ft (167.9 m) long with a longest span of 250 ft (76.2 m) and a deck 33 ft wide.

Who owns Elk Creek Road over Klamath River?

It is owned by the County Highway Agency.