US Bridges

Grove RD over I-90

Fair

Spokane County, Washington · 3.5 E JCT SR 902 · Structure no. 0006822A0000000

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
4 main spans
Daily traffic
7,361
2016 count
Owner
State
State Highway Agency

About this bridge

Grove RD over I-90 is a prestressed concrete stringer/multi-beam or girder carrying Grove RD over I-90 in Spokane County, Washington. It was built in 1962, so it is 63 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 7,361 vehicles a day, roughly 10% of them trucks, projected to reach 10,081 by 2038. The structure is 213 ft (64.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrove RD
CrossesI-90
Location3.5 E JCT SR 902
RouteCounty Highway 0
Coordinates47.61975, -117.50258
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length213 ft (64.8 m)
Longest span66 ft (20.1 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,361 (2016)
Projected traffic10,081 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$4.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grove RD over I-90 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Grove RD over I-90 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 October 2023.

How much traffic does Grove RD over I-90 carry?

About 7,361 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Grove RD over I-90?

The structure is 213 ft (64.8 m) long with a longest span of 66 ft (20.1 m) and a deck 36 ft wide.

Who owns Grove RD over I-90?

It is owned by the State Highway Agency.