US Bridges

NE 60th Street over Sound Transit

Good

King County, Washington · 4.3 E JCT I-405 · Structure no. 002005680000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
4,435
2023 count
Owner
Railroad
Railroad

About this bridge

NE 60th Street over Sound Transit is a concrete slab carrying NE 60th Street over Sound Transit in King County, Washington. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,435 vehicles a day, roughly 5% of them trucks, projected to reach 2,043 by 6853. The structure is 34 ft (10.3 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesNE 60th Street
CrossesSound Transit
Location4.3 E JCT I-405
RouteCity Street 520
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.1 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span34 ft (10.3 m)
Deck width74 ft (22.5 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,435 (2023)
Projected traffic2,043 by 6853
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 60th Street over Sound Transit built?

It was built in 2024, making it 1 years old in 2025.

What condition is NE 60th Street over Sound Transit 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 October 2024.

How much traffic does NE 60th Street over Sound Transit carry?

About 4,435 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NE 60th Street over Sound Transit?

The structure is 34 ft (10.3 m) long with a longest span of 34 ft (10.3 m) and a deck 74 ft wide.

Who owns NE 60th Street over Sound Transit?

It is owned by the Railroad.