US Bridges

Or 39 (hwy 050) SB over US 97 (hwy 004) NB

Fair

Klamath County, Oregon · 0002 MI S HWY 04 JCT · Structure no. 08343 050X00667

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
302 ft
3 main spans
Daily traffic
6,306
2022 count
Owner
State
State Highway Agency

About this bridge

Or 39 (hwy 050) SB over US 97 (hwy 004) NB is a concrete continuous box beam or girders - single or spread carrying Or 39 (hwy 050) SB over US 97 (hwy 004) NB in Klamath County, Oregon. It was built in 1962, so it is 63 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 6,306 vehicles a day, roughly 2% of them trucks, projected to reach 6,650 by 2042. The structure is 302 ft (92 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesOr 39 (hwy 050) SB
CrossesUS 97 (hwy 004) NB
Location0002 MI S HWY 04 JCT
RouteState Highway 39
CountyKlamath County
StateOregon
Coordinates42.25116, -121.79447
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length302 ft (92 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,306 (2022)
Projected traffic6,650 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 39 (hwy 050) SB over US 97 (hwy 004) NB built?

It was built in 1962, making it 63 years old in 2025.

What condition is Or 39 (hwy 050) SB over US 97 (hwy 004) NB 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 2023.

How much traffic does Or 39 (hwy 050) SB over US 97 (hwy 004) NB carry?

About 6,306 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Or 39 (hwy 050) SB over US 97 (hwy 004) NB?

The structure is 302 ft (92 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns Or 39 (hwy 050) SB over US 97 (hwy 004) NB?

It is owned by the State Highway Agency.