US Bridges

I-90 EB Temp Align over W Sparks RD

Good

Kittitas County, Washington · 14.3 E JCT SR 906 · Structure no. 0019558T0000000

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
17,108
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 EB Temp Align over W Sparks RD is a prestressed concrete slab carrying I-90 EB Temp Align over W Sparks RD in Kittitas County, Washington. It was built in 2020, so it is 5 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. Its operating status is: open, temporary structure in place while original is closed.

It carries about 17,108 vehicles a day, roughly 21% of them trucks, projected to reach 21,135 by 2039. The structure is 49 ft (14.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90 EB Temp Align
CrossesW Sparks RD
Location14.3 E JCT SR 906
RouteInterstate 90
Coordinates47.25944, -121.21
Functional classRural 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 2024
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length49 ft (14.8 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,108 (2023)
Projected traffic21,135 by 2039
Trucks21%
Lanes on structure2
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 proposedReplacement because of relocation of road
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 EB Temp Align over W Sparks RD built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-90 EB Temp Align over W Sparks RD 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 2024.

How much traffic does I-90 EB Temp Align over W Sparks RD carry?

About 17,108 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-90 EB Temp Align over W Sparks RD?

The structure is 49 ft (14.8 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns I-90 EB Temp Align over W Sparks RD?

It is owned by the State Highway Agency.