US Bridges

US 97 over Satus Creek

Fair

Yakima County, Washington · 4.0 N Klickitat CO · Structure no. 0009780A0000000

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
2 main spans
Daily traffic
4,013
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Satus Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 97 over Satus Creek in Yakima County, Washington. It was built in 1975, so it is 50 years old, older than the Washington average of 49.8 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 4,013 vehicles a day, roughly 31% of them trucks, projected to reach 5,081 by 2039. The structure is 210 ft (64 m) long and 43 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

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CarriesUS 97
CrossesSatus Creek
Location4.0 N Klickitat CO
RouteU.S. Route 97
CountyYakima County
StateWashington
Coordinates46.09559, -120.5475
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,013 (2023)
Projected traffic5,081 by 2039
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Satus Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 97 over Satus Creek 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 July 2023.

How much traffic does US 97 over Satus Creek carry?

About 4,013 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is US 97 over Satus Creek?

The structure is 210 ft (64 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US 97 over Satus Creek?

It is owned by the State Highway Agency.