US Bridges

SR 272 over Palouse River

Good

Whitman County, Washington · 15.9 E JCT US 195 · Structure no. 0003743A0000000

Built
1950
75 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
178 ft
3 main spans
Daily traffic
377
2023 count
Owner
State
State Highway Agency

About this bridge

SR 272 over Palouse River is a concrete continuous tee beam carrying SR 272 over Palouse River in Whitman County, Washington. It was built in 1950, so it is 75 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 377 vehicles a day, roughly 14% of them trucks, projected to reach 460 by 2039. The structure is 178 ft (54.3 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 272
CrossesPalouse River
Location15.9 E JCT US 195
RouteState Highway 272
Coordinates46.91478, -117.08522
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length178 ft (54.3 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic377 (2023)
Projected traffic460 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 272 over Palouse River built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 272 over Palouse River 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 April 2024.

How much traffic does SR 272 over Palouse River carry?

About 377 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 272 over Palouse River?

The structure is 178 ft (54.3 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns SR 272 over Palouse River?

It is owned by the State Highway Agency.