US Bridges

I-90 over Reeser Creek

Fair

Kittitas County, Washington · 1.4 E JCT US 97 · Structure no. 0008200A0000000

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
15,658
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over Reeser Creek is a concrete continuous slab carrying I-90 over Reeser Creek in Kittitas County, Washington. It was built in 1967, so it is 58 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 15,658 vehicles a day, roughly 23% of them trucks, projected to reach 19,097 by 2039. The structure is 120 ft (36.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-90
CrossesReeser Creek
Location1.4 E JCT US 97
RouteInterstate 90
CountyKittitas County
StateWashington
Coordinates46.99069, -120.57247
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span46 ft (14 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,658 (2023)
Projected traffic19,097 by 2039
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 over Reeser Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-90 over Reeser Creek 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 July 2023.

How much traffic does I-90 over Reeser Creek carry?

About 15,658 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-90 over Reeser Creek?

The structure is 120 ft (36.6 m) long with a longest span of 46 ft (14 m) and a deck 41 ft wide.

Who owns I-90 over Reeser Creek?

It is owned by the State Highway Agency.