US Bridges

US 195 over S Fk Palouse River

Fair

Whitman County, Washington · 0.5 N JCT SR 272 · Structure no. 0001869B0000000

Built
1934
91 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
9,381
2023 count
Owner
State
State Highway Agency

About this bridge

US 195 over S Fk Palouse River is a concrete continuous slab carrying US 195 over S Fk Palouse River in Whitman County, Washington. It was built in 1934, so it is 91 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 9,381 vehicles a day, roughly 10% of them trucks, projected to reach 11,081 by 2039. The structure is 103 ft (31.4 m) long and 57 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 195
CrossesS Fk Palouse River
Location0.5 N JCT SR 272
RouteU.S. Route 195
Coordinates46.88656, -117.36442
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length103 ft (31.4 m)
Longest span33 ft (10.1 m)
Deck width57 ft (17.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,381 (2023)
Projected traffic11,081 by 2039
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 195 over S Fk Palouse River built?

It was built in 1934, making it 91 years old in 2025.

What condition is US 195 over S Fk Palouse 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 July 2024.

How much traffic does US 195 over S Fk Palouse River carry?

About 9,381 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 195 over S Fk Palouse River?

The structure is 103 ft (31.4 m) long with a longest span of 33 ft (10.1 m) and a deck 57 ft wide.

Who owns US 195 over S Fk Palouse River?

It is owned by the State Highway Agency.