US Bridges

Sprague Avenue over Erie Street

Fair

Spokane County, Washington · 00.70 East SR 395 · Structure no. 085271000000000

Built
1954
71 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
100 ft
2 main spans
Daily traffic
11,079
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sprague Avenue over Erie Street is a concrete stringer/multi-beam or girder carrying Sprague Avenue over Erie Street 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 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 11,079 vehicles a day, roughly 1% of them trucks, projected to reach 19,900 by 2044. The structure is 100 ft (30.5 m) long and 69 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSprague Avenue
CrossesErie Street
Location00.70 East SR 395
RouteCity Street 828
Coordinates47.6572, -117.39429
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.7 US tons
Inventory rating61.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span50 ft (15.1 m)
Deck width69 ft (21 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,079 (2023)
Projected traffic19,900 by 2044
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sprague Avenue over Erie Street built?

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

What condition is Sprague Avenue over Erie Street 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 August 2023.

How much traffic does Sprague Avenue over Erie Street carry?

About 11,079 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Sprague Avenue over Erie Street?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.1 m) and a deck 69 ft wide.

Who owns Sprague Avenue over Erie Street?

It is owned by the City or Municipal Highway Agency.