US Bridges

Buffalo-Willson RD over Little Pend Oreille Rive

FairPosted for load

Stevens County, Washington · 1.23 SE Kitt-Narcisse Rd. · Structure no. 080356000000000

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
47
2024 count
Owner
County
County Highway Agency

About this bridge

Buffalo-Willson RD over Little Pend Oreille Rive is a prestressed concrete stringer/multi-beam or girder carrying Buffalo-Willson RD over Little Pend Oreille Rive in Stevens County, Washington. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 47 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2037. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBuffalo-Willson RD
CrossesLittle Pend Oreille Rive
Location1.23 SE Kitt-Narcisse Rd.
RouteCounty Highway 39050
Coordinates48.47129, -117.79502
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2024)
Projected traffic75 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Buffalo-Willson RD over Little Pend Oreille Rive built?

It was built in 1975, making it 50 years old in 2025.

What condition is Buffalo-Willson RD over Little Pend Oreille Rive 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 Buffalo-Willson RD over Little Pend Oreille Rive carry?

About 47 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Buffalo-Willson RD over Little Pend Oreille Rive?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Buffalo-Willson RD over Little Pend Oreille Rive?

It is owned by the County Highway Agency.