US Bridges

Rosamond Avenue over Sunset Boulevard

Fair

Spokane County, Washington · 0.4 W I-90/SR 195 · Structure no. 086014000000000

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
3 main spans
Daily traffic
636
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rosamond Avenue over Sunset Boulevard is a prestressed concrete stringer/multi-beam or girder carrying Rosamond Avenue over Sunset Boulevard in Spokane County, Washington. It was built in 1988, so it is 37 years old, younger 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 636 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2045. The structure is 227 ft (69.2 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRosamond Avenue
CrossesSunset Boulevard
Location0.4 W I-90/SR 195
RouteCity Street 831
Coordinates47.6466, -117.45872
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating67 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span100 ft (30.5 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic636 (2018)
Projected traffic1,200 by 2045
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rosamond Avenue over Sunset Boulevard built?

It was built in 1988, making it 37 years old in 2025.

What condition is Rosamond Avenue over Sunset Boulevard 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 April 2023.

How much traffic does Rosamond Avenue over Sunset Boulevard carry?

About 636 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Rosamond Avenue over Sunset Boulevard?

The structure is 227 ft (69.2 m) long with a longest span of 100 ft (30.5 m) and a deck 54 ft wide.

Who owns Rosamond Avenue over Sunset Boulevard?

It is owned by the City or Municipal Highway Agency.