US Bridges

E Langell Vly RD over Lost River

PoorPosted for load

Klamath County, Oregon · 001 MI W Keller RD · Structure no. 18C017121100520

Built
1967
58 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
157 ft
5 main spans
Daily traffic
398
2020 count
Owner
County
County Highway Agency

About this bridge

E Langell Vly RD over Lost River is a wood or timber stringer/multi-beam or girder carrying E Langell Vly RD over Lost River in Klamath County, Oregon. It was built in 1967, so it is 58 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 398 vehicles a day, roughly 10% of them trucks, projected to reach 458 by 2025. The structure is 157 ft (47.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE Langell Vly RD
CrossesLost River
Location001 MI W Keller RD
RouteCounty Highway 0B310
StateOregon
Coordinates42.16541, -121.31826
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating20.7 US tons
Inventory rating16.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2020)
Projected traffic458 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-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 E Langell Vly RD over Lost River built?

It was built in 1967, making it 58 years old in 2025.

What condition is E Langell Vly RD over Lost River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

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

About 398 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is E Langell Vly RD over Lost River?

The structure is 157 ft (47.9 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns E Langell Vly RD over Lost River?

It is owned by the County Highway Agency.