US Bridges

Or 39 (hwy 050) over Lost River Diversion Can

Fair

Klamath County, Oregon · 038 MI S HWY 20 JCT · Structure no. 02716A050 00381

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
134 ft
4 main spans
Daily traffic
5,964
2022 count
Owner
State
State Highway Agency

About this bridge

Or 39 (hwy 050) over Lost River Diversion Can is a prestressed concrete slab carrying Or 39 (hwy 050) over Lost River Diversion Can in Klamath County, Oregon. It was built in 1966, so it is 59 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 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 5,964 vehicles a day, roughly 21% of them trucks, projected to reach 7,000 by 2042. The structure is 134 ft (40.8 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOr 39 (hwy 050)
CrossesLost River Diversion Can
Location038 MI S HWY 20 JCT
RouteState Highway 39
StateOregon
Coordinates42.1407, -121.69828
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span34 ft (10.4 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,964 (2022)
Projected traffic7,000 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 39 (hwy 050) over Lost River Diversion Can built?

It was built in 1966, making it 59 years old in 2025.

What condition is Or 39 (hwy 050) over Lost River Diversion Can 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 February 2024.

How much traffic does Or 39 (hwy 050) over Lost River Diversion Can carry?

About 5,964 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Or 39 (hwy 050) over Lost River Diversion Can?

The structure is 134 ft (40.8 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.

Who owns Or 39 (hwy 050) over Lost River Diversion Can?

It is owned by the State Highway Agency.