US Bridges

South ENDICTT/6140 over Rebel Flat Creek

Good

Whitman County, Washington · 0.21 MI SW Endicott · Structure no. 084173000000000

Built
1964
61 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

South ENDICTT/6140 over Rebel Flat Creek is a prestressed concrete tee beam carrying South ENDICTT/6140 over Rebel Flat Creek in Whitman County, Washington. It was built in 1964, so it is 61 years old, older 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.

It carries about 300 vehicles a day, roughly 25% of them trucks, projected to reach 300 by 2039. The structure is 49 ft (14.9 m) long and 28 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesSouth ENDICTT/6140
CrossesRebel Flat Creek
Location0.21 MI SW Endicott
RouteCounty Highway 61400
Coordinates46.9241, -117.68558
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 15
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic300 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South ENDICTT/6140 over Rebel Flat Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is South ENDICTT/6140 over Rebel Flat 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 October 2024.

How much traffic does South ENDICTT/6140 over Rebel Flat Creek carry?

About 300 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is South ENDICTT/6140 over Rebel Flat Creek?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns South ENDICTT/6140 over Rebel Flat Creek?

It is owned by the County Highway Agency.