US Bridges

Riverside Avenue over Latah Creek

Good

Spokane County, Washington · 2.0 W of SR 395 · Structure no. 085426000000000

Built
1920
105 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
110 ft
1 main span
Daily traffic
2,390
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside Avenue over Latah Creek is a concrete culvert carrying Riverside Avenue over Latah Creek in Spokane County, Washington. It was built in 1920, so it is 105 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,390 vehicles a day, roughly 1% of them trucks, projected to reach 3,780 by 2045. The structure is 110 ft (33.5 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiverside Avenue
CrossesLatah Creek
Location2.0 W of SR 395
RouteCity Street 825
Coordinates47.65464, -117.45411
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,390 (2018)
Projected traffic3,780 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$4.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverside Avenue over Latah Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Riverside Avenue over Latah Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Riverside Avenue over Latah Creek carry?

About 2,390 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Riverside Avenue over Latah Creek?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 38 ft wide.

Who owns Riverside Avenue over Latah Creek?

It is owned by the City or Municipal Highway Agency.