US Bridges

ENDICOTT/4000 over Rebel Flat Creek

Fair

Whitman County, Washington · 11.08 E Adams Cnty Line · Structure no. 083173000000000

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
554
2021 count
Owner
County
County Highway Agency

About this bridge

ENDICOTT/4000 over Rebel Flat Creek is a prestressed concrete tee beam carrying ENDICOTT/4000 over Rebel Flat Creek in Whitman County, Washington. It was built in 1979, so it is 46 years old, younger 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 554 vehicles a day, roughly 25% of them trucks, projected to reach 554 by 2044. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

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CarriesENDICOTT/4000
CrossesRebel Flat Creek
Location11.08 E Adams Cnty Line
RouteCounty Highway 40000
CountyWhitman County
StateWashington
Coordinates46.94518, -117.74138
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span109 ft (33.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic554 (2021)
Projected traffic554 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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$4.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ENDICOTT/4000 over Rebel Flat Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is ENDICOTT/4000 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 December 2023.

How much traffic does ENDICOTT/4000 over Rebel Flat Creek carry?

About 554 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is ENDICOTT/4000 over Rebel Flat Creek?

The structure is 110 ft (33.5 m) long with a longest span of 109 ft (33.1 m) and a deck 28 ft wide.

Who owns ENDICOTT/4000 over Rebel Flat Creek?

It is owned by the County Highway Agency.