US Bridges

I-5 over Klickitat DR

Fair

King County, Washington · 5.0 N JCT SR 516 · Structure no. 0007401D0000000

Built
1965
60 years old, rebuilt 1997
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
106,282
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over Klickitat DR is a prestressed concrete stringer/multi-beam or girder carrying I-5 over Klickitat DR in King County, Washington. It was built in 1965 and reconstructed in 1997, so it is 60 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 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 106,282 vehicles a day, roughly 7% of them trucks, projected to reach 173,197 by 2039. The structure is 163 ft (49.7 m) long and 83 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-5
CrossesKlickitat DR
Location5.0 N JCT SR 516
RouteInterstate 5
CountyKing County
StateWashington
Coordinates47.4575, -122.26422
Functional classUrban Principal Arterial - Interstate

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 inspectionMarch 2024
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 rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span61 ft (18.6 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106,282 (2023)
Projected traffic173,197 by 2039
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$6.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over Klickitat DR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is I-5 over Klickitat DR 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 March 2024.

How much traffic does I-5 over Klickitat DR carry?

About 106,282 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-5 over Klickitat DR?

The structure is 163 ft (49.7 m) long with a longest span of 61 ft (18.6 m) and a deck 83 ft wide.

Who owns I-5 over Klickitat DR?

It is owned by the State Highway Agency.