US Bridges

STALEY/9030 over Staley Creek

Fair

Whitman County, Washington · 1.07 MI SW Johnson · Structure no. 083808000000000

Built
1922
103 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
51
2021 count
Owner
County
County Highway Agency

About this bridge

STALEY/9030 over Staley Creek is a concrete culvert carrying STALEY/9030 over Staley Creek in Whitman County, Washington. It was built in 1922, so it is 103 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 6 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 51 vehicles a day, roughly 25% of them trucks, projected to reach 51 by 2042. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSTALEY/9030
CrossesStaley Creek
Location1.07 MI SW Johnson
RouteCounty Highway 90300
Coordinates46.66925, -117.15258
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2021)
Projected traffic51 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STALEY/9030 over Staley Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is STALEY/9030 over Staley Creek 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 January 2025.

How much traffic does STALEY/9030 over Staley Creek carry?

About 51 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is STALEY/9030 over Staley Creek?

The structure is 35 ft (10.7 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns STALEY/9030 over Staley Creek?

It is owned by the County Highway Agency.