US Bridges

I-5 SB Hov over Klickitat DR

Good

King County, Washington · JCT I-405 · Structure no. 0014621A0000000

Built
1996
29 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
171 ft
3 main spans
Daily traffic
6,692
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 SB Hov over Klickitat DR is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 SB Hov over Klickitat DR in King County, Washington. It was built in 1996, so it is 29 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,692 vehicles a day, roughly 10% of them trucks, projected to reach 9,994 by 2039. The structure is 171 ft (52.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5 SB Hov
CrossesKlickitat DR
LocationJCT I-405
RouteInterstate 5
Coordinates47.45744, -122.26392
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length171 ft (52.1 m)
Longest span69 ft (21 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,692 (2023)
Projected traffic9,994 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 SB Hov over Klickitat DR built?

It was built in 1996, making it 29 years old in 2025.

What condition is I-5 SB Hov over Klickitat DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2021.

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

About 6,692 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I-5 SB Hov over Klickitat DR?

The structure is 171 ft (52.1 m) long with a longest span of 69 ft (21 m) and a deck 29 ft wide.

Who owns I-5 SB Hov over Klickitat DR?

It is owned by the State Highway Agency.