US Bridges

ALMOTA/8000 over Union Flat Creek

Good

Whitman County, Washington · 7.05 MI SW SR 195 · Structure no. 086573000000000

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
501
2020 count
Owner
County
County Highway Agency

About this bridge

ALMOTA/8000 over Union Flat Creek is a prestressed concrete tee beam carrying ALMOTA/8000 over Union Flat Creek in Whitman County, Washington. It was built in 2000, so it is 25 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 501 vehicles a day, roughly 20% of them trucks, projected to reach 501 by 2039. The structure is 95 ft (29 m) long and 34 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesALMOTA/8000
CrossesUnion Flat Creek
Location7.05 MI SW SR 195
RouteCounty Highway 80000
Coordinates46.80985, -117.43253
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than 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 rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length95 ft (29 m)
Longest span92 ft (28 m)
Deck width34 ft (10.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic501 (2020)
Projected traffic501 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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$3.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ALMOTA/8000 over Union Flat Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is ALMOTA/8000 over Union 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 December 2024.

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

About 501 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is ALMOTA/8000 over Union Flat Creek?

The structure is 95 ft (29 m) long with a longest span of 92 ft (28 m) and a deck 34 ft wide.

Who owns ALMOTA/8000 over Union Flat Creek?

It is owned by the County Highway Agency.