US Bridges

COYOTE/4230 over Pleasant Valley Creek

Good

Whitman County, Washington · 00.14 W SR 23 · Structure no. 086400000000000

Built
1998
27 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

COYOTE/4230 over Pleasant Valley Creek is a prestressed concrete slab carrying COYOTE/4230 over Pleasant Valley Creek in Whitman County, Washington. It was built in 1998, so it is 27 years old, younger 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 20 vehicles a day, roughly 25% of them trucks, projected to reach 21 by 2039. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCOYOTE/4230
CrossesPleasant Valley Creek
Location00.14 W SR 23
RouteCounty Highway 43200
Coordinates47.04862, -117.51977
Functional classRural Local

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic21 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was COYOTE/4230 over Pleasant Valley Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is COYOTE/4230 over Pleasant Valley Creek 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 November 2024.

How much traffic does COYOTE/4230 over Pleasant Valley Creek carry?

About 20 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is COYOTE/4230 over Pleasant Valley Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns COYOTE/4230 over Pleasant Valley Creek?

It is owned by the County Highway Agency.