US Bridges

I-5 over Military RD Rose ST

Good

King County, Washington · 2.2 N JCT SR 900 · Structure no. 0007617C0000000

Built
1966
59 years old, rebuilt 1991
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
161 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 1991, 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 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 103,312 vehicles a day, roughly 7% of them trucks, projected to reach 154,285 by 2039. The structure is 161 ft (49.1 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5
CrossesMilitary RD Rose ST
Location2.2 N JCT SR 900
RouteInterstate 5
Coordinates47.53029, -122.29364
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 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 rating79 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length161 ft (49.1 m)
Longest span62 ft (18.9 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 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$6.1 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 1991.

What condition is I-5 over Military RD Rose ST 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 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 161 ft (49.1 m) long with a longest span of 62 ft (18.9 m) and a deck 83 ft wide.

Who owns I-5 over Military RD Rose ST?

It is owned by the State Highway Agency.