US Bridges

W Langell Vly RD over Lost River

Fair

Klamath County, Oregon · At Malone Dam · Structure no. 08592 520 01842

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
17
2020 count
Owner
County
County Highway Agency

About this bridge

W Langell Vly RD over Lost River is a concrete continuous tee beam carrying W Langell Vly RD over Lost River in Klamath County, Oregon. It was built in 1959, so it is 66 years old, older than the Oregon average of 49.9 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 17 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2025. The structure is 126 ft (38.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW Langell Vly RD
CrossesLost River
LocationAt Malone Dam
RouteCounty Highway 0B321
StateOregon
Coordinates42.00704, -121.2241
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length126 ft (38.4 m)
Longest span48 ft (14.6 m)
Deck width35 ft (10.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2020)
Projected traffic22 by 2025
Trucks10%
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

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 W Langell Vly RD over Lost River built?

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

What condition is W Langell Vly RD over Lost 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 March 2023.

How much traffic does W Langell Vly RD over Lost River carry?

About 17 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is W Langell Vly RD over Lost River?

The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 35 ft wide.

Who owns W Langell Vly RD over Lost River?

It is owned by the County Highway Agency.