US Bridges

Sprague Avenue over Sprague Way SB

Poor

Spokane County, Washington · 0.69 East SR 395 · Structure no. 085270000000000

Built
1954
71 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete Continuous
Length
81 ft
2 main spans
Daily traffic
8,658
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sprague Avenue over Sprague Way SB is a concrete continuous slab carrying Sprague Avenue over Sprague Way SB in Spokane County, Washington. It was built in 1954, so it is 71 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,658 vehicles a day, roughly 19% of them trucks, projected to reach 19,800 by 2044. The structure is 81 ft (24.7 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSprague Avenue
CrossesSprague Way SB
Location0.69 East SR 395
RouteCity Street 0
Coordinates47.6572, -117.39554
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span44 ft (13.4 m)
Deck width63 ft (19.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,658 (2023)
Projected traffic19,800 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sprague Avenue over Sprague Way SB built?

It was built in 1954, making it 71 years old in 2025.

What condition is Sprague Avenue over Sprague Way SB in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Sprague Avenue over Sprague Way SB carry?

About 8,658 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Sprague Avenue over Sprague Way SB?

The structure is 81 ft (24.7 m) long with a longest span of 44 ft (13.4 m) and a deck 63 ft wide.

Who owns Sprague Avenue over Sprague Way SB?

It is owned by the City or Municipal Highway Agency.