US Bridges

Waitts Lake Road over Colville River

Fair

Stevens County, Washington · 00.22 W JCT SR 231 · Structure no. 083079000000000

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
1,279
2024 count
Owner
County
County Highway Agency

About this bridge

Waitts Lake Road over Colville River is a steel stringer/multi-beam or girder carrying Waitts Lake Road over Colville River in Stevens County, Washington. It was built in 1960, so it is 65 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 5 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 1,279 vehicles a day, roughly 20% of them trucks, projected to reach 2,220 by 2037. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesWaitts Lake Road
CrossesColville River
Location00.22 W JCT SR 231
RouteCounty Highway 23720
Coordinates48.17568, -117.72977
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,279 (2024)
Projected traffic2,220 by 2037
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Waitts Lake Road over Colville River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Waitts Lake Road over Colville River 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 Waitts Lake Road over Colville River carry?

About 1,279 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Waitts Lake Road over Colville River?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.

Who owns Waitts Lake Road over Colville River?

It is owned by the County Highway Agency.