US Bridges

I-5 over Military RD Rose ST

Fair

King County, Washington · 2.2 N JCT SR 900 · Structure no. 0007617D0000000

Built
1966
59 years old, rebuilt 1995
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
103,312
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over Military RD Rose ST is a concrete continuous slab carrying I-5 over Military RD Rose ST in King County, Washington. It was built in 1966 and reconstructed in 1995, so it is 59 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 103,312 vehicles a day, roughly 7% of them trucks, projected to reach 154,285 by 2039. The structure is 149 ft (45.4 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-5
CrossesMilitary RD Rose ST
Location2.2 N JCT SR 900
RouteInterstate 5
CountyKing County
StateWashington
Coordinates47.53014, -122.29439
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length149 ft (45.4 m)
Longest span58 ft (17.7 m)
Deck width81 ft (24.7 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,312 (2023)
Projected traffic154,285 by 2039
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$5.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over Military RD Rose ST built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1995.

What condition is I-5 over Military RD Rose ST 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 November 2024.

How much traffic does I-5 over Military RD Rose ST carry?

About 103,312 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-5 over Military RD Rose ST?

The structure is 149 ft (45.4 m) long with a longest span of 58 ft (17.7 m) and a deck 81 ft wide.

Who owns I-5 over Military RD Rose ST?

It is owned by the State Highway Agency.