US Bridges

WHITE/1075 over Willow Creek

Good

Whitman County, Washington · 0.04 MI S Warner · Structure no. 089160000000000

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
21
2020 count
Owner
County
County Highway Agency

About this bridge

WHITE/1075 over Willow Creek is a steel stringer/multi-beam or girder carrying WHITE/1075 over Willow Creek in Whitman County, Washington. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21 vehicles a day, roughly 40% of them trucks, projected to reach 22 by 2039. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesWHITE/1075
CrossesWillow Creek
Location0.04 MI S Warner
RouteCounty Highway 10750
CountyWhitman County
StateWashington
Coordinates47.1521, -117.10655
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadGreater than HL 93
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2020)
Projected traffic22 by 2039
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$532,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was WHITE/1075 over Willow Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is WHITE/1075 over Willow 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 September 2024.

How much traffic does WHITE/1075 over Willow Creek carry?

About 21 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is WHITE/1075 over Willow Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns WHITE/1075 over Willow Creek?

It is owned by the County Highway Agency.