US Bridges

Rosamond Ave over I-90

Fair

Spokane County, Washington · 1.4 E JCT US 2 · Structure no. 0006956A0000000

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
225 ft
4 main spans
Daily traffic
600
2010 count
Owner
State
State Highway Agency

About this bridge

Rosamond Ave over I-90 is a concrete continuous box beam or girders - multiple carrying Rosamond Ave 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 834 by 2036. The structure is 225 ft (68.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRosamond Ave
CrossesI-90
Location1.4 E JCT US 2
RouteCity Street 0
CountySpokane County
StateWashington
Coordinates47.64466, -117.45502
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.5 m)
Longest span64 ft (19.5 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2010)
Projected traffic834 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rosamond Ave over I-90 built?

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

What condition is Rosamond Ave 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 Rosamond Ave over I-90 carry?

About 600 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Rosamond Ave over I-90?

The structure is 225 ft (68.5 m) long with a longest span of 64 ft (19.5 m) and a deck 39 ft wide.

Who owns Rosamond Ave over I-90?

It is owned by the State Highway Agency.