US Bridges

I-90 over Animal Crossing

Good

Kittitas County, Washington · 0.6 E JCT SR 906 · Structure no. 0017852A0000000

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
18,069
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over Animal Crossing is a prestressed concrete stringer/multi-beam or girder carrying I-90 over Animal Crossing in Kittitas County, Washington. It was built in 2010, so it is 15 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.

It carries about 18,069 vehicles a day, roughly 21% of them trucks, projected to reach 22,265 by 2039. The structure is 119 ft (36.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90
CrossesAnimal Crossing
Location0.6 E JCT SR 906
RouteInterstate 90
Coordinates47.3919, -121.38637
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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating99 US tons
Inventory rating62.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length119 ft (36.3 m)
Longest span114 ft (34.7 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,069 (2023)
Projected traffic22,265 by 2039
Trucks21%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over Animal Crossing built?

It was built in 2010, making it 15 years old in 2025.

What condition is I-90 over Animal Crossing 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 2023.

How much traffic does I-90 over Animal Crossing carry?

About 18,069 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-90 over Animal Crossing?

The structure is 119 ft (36.3 m) long with a longest span of 114 ft (34.7 m) and a deck 58 ft wide.

Who owns I-90 over Animal Crossing?

It is owned by the State Highway Agency.