US Bridges

ALMOTA/8000 over Rebel Flat Creek

Good

Whitman County, Washington · 1.00 MI S Duncan Springs · Structure no. 086501000000000

Built
1998
27 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
428
2021 count
Owner
County
County Highway Agency

About this bridge

ALMOTA/8000 over Rebel Flat Creek is a steel culvert carrying ALMOTA/8000 over Rebel Flat Creek in Whitman County, Washington. It was built in 1998, so it is 27 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.

It carries about 428 vehicles a day, roughly 40% of them trucks, projected to reach 428 by 2044. The structure is 22 ft (6.7 m) long and 74 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesALMOTA/8000
CrossesRebel Flat Creek
Location1.00 MI S Duncan Springs
RouteCounty Highway 80000
Coordinates46.82678, -117.4001
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width74 ft (22.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2021)
Projected traffic428 by 2044
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was ALMOTA/8000 over Rebel Flat Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is ALMOTA/8000 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 January 2024.

How much traffic does ALMOTA/8000 over Rebel Flat Creek carry?

About 428 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is ALMOTA/8000 over Rebel Flat Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 74 ft wide.

Who owns ALMOTA/8000 over Rebel Flat Creek?

It is owned by the County Highway Agency.