US Bridges

SR 23 over Pleasant Valley CR

Poor

Whitman County, Washington · 8.3 N JCT US 195 · Structure no. 0005807A0000000

Built
1958
67 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
778
2023 count
Owner
State
State Highway Agency

About this bridge

SR 23 over Pleasant Valley CR is a concrete continuous slab carrying SR 23 over Pleasant Valley CR in Whitman County, Washington. It was built in 1958, so it is 67 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 778 vehicles a day, roughly 16% of them trucks, projected to reach 813 by 2039. The structure is 103 ft (31.4 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 23
CrossesPleasant Valley CR
Location8.3 N JCT US 195
RouteState Highway 23
Coordinates47.03533, -117.50164
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic778 (2023)
Projected traffic813 by 2039
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 23 over Pleasant Valley CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 23 over Pleasant Valley CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does SR 23 over Pleasant Valley CR carry?

About 778 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR 23 over Pleasant Valley CR?

The structure is 103 ft (31.4 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns SR 23 over Pleasant Valley CR?

It is owned by the State Highway Agency.