US Bridges

FLEMMING/7060 over Willow Creek

GoodPosted for load

Whitman County, Washington · 0.13 MI SE SR 26 · Structure no. 082753000000000

Built
1978
47 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

FLEMMING/7060 over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying FLEMMING/7060 over Willow Creek in Whitman County, Washington. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 25% of them trucks, projected to reach 92 by 2039. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesFLEMMING/7060
CrossesWillow Creek
Location0.13 MI SE SR 26
RouteCounty Highway 70600
Coordinates46.7789, -117.94787
Functional classRural Minor 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 rating34.3 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic92 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FLEMMING/7060 over Willow Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FLEMMING/7060 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 November 2024.

How much traffic does FLEMMING/7060 over Willow Creek carry?

About 90 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is FLEMMING/7060 over Willow Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns FLEMMING/7060 over Willow Creek?

It is owned by the County Highway Agency.