US Bridges

FAIRGROUNDS/6290 over Rebel Flat Creek

Fair

Whitman County, Washington · 0.10 MI S Endicott · Structure no. 082639000000000

Built
1917
108 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
47 ft
2 main spans
Daily traffic
430
2021 count
Owner
County
County Highway Agency

About this bridge

FAIRGROUNDS/6290 over Rebel Flat Creek is a concrete culvert carrying FAIRGROUNDS/6290 over Rebel Flat Creek in Whitman County, Washington. It was built in 1917, so it is 108 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 5 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 430 vehicles a day, roughly 17% of them trucks, projected to reach 475 by 2041. The structure is 47 ft (14.3 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAIRGROUNDS/6290
CrossesRebel Flat Creek
Location0.10 MI S Endicott
RouteCounty Highway 62900
CountyWhitman County
StateWashington
Coordinates46.86965, -117.43658
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span18 ft (5.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2021)
Projected traffic475 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAIRGROUNDS/6290 over Rebel Flat Creek built?

It was built in 1917, making it 108 years old in 2025.

What condition is FAIRGROUNDS/6290 over Rebel Flat 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 October 2024.

How much traffic does FAIRGROUNDS/6290 over Rebel Flat Creek carry?

About 430 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is FAIRGROUNDS/6290 over Rebel Flat Creek?

The structure is 47 ft (14.3 m) long with a longest span of 18 ft (5.5 m) and a deck 22 ft wide.

Who owns FAIRGROUNDS/6290 over Rebel Flat Creek?

It is owned by the County Highway Agency.