US Bridges

US 97 (hwy 004) over Nevada Ave

Fair

Klamath County, Oregon · 010 MI S HWY 50 JCT · Structure no. 08344 004 27362

Built
1959
66 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
7,421
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 004) over Nevada Ave is a prestressed concrete stringer/multi-beam or girder carrying US 97 (hwy 004) over Nevada Ave 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 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 7,421 vehicles a day, roughly 13% of them trucks, projected to reach 8,700 by 2042. The structure is 166 ft (50.6 m) long and 69 ft wide.

Location

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CarriesUS 97 (hwy 004)
CrossesNevada Ave
Location010 MI S HWY 50 JCT
RouteU.S. Route 97
CountyKlamath County
StateOregon
Coordinates42.23903, -121.79645
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span66 ft (20.1 m)
Deck width69 ft (21.1 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,421 (2022)
Projected traffic8,700 by 2042
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$850,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 97 (hwy 004) over Nevada Ave built?

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

What condition is US 97 (hwy 004) over Nevada Ave 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 US 97 (hwy 004) over Nevada Ave carry?

About 7,421 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 97 (hwy 004) over Nevada Ave?

The structure is 166 ft (50.6 m) long with a longest span of 66 ft (20.1 m) and a deck 69 ft wide.

Who owns US 97 (hwy 004) over Nevada Ave?

It is owned by the State Highway Agency.