US Bridges

US 195 Prvt Appr over Union Flat Creek

Good

Whitman County, Washington · 7.5 N JCT US 195 SP · Structure no. 0008130A0000000

Built
1966
59 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
20
2013 count
Owner
State
State Highway Agency

About this bridge

US 195 Prvt Appr over Union Flat Creek is a concrete continuous slab carrying US 195 Prvt Appr over Union Flat Creek in Whitman County, Washington. It was built in 1966, so it is 59 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 20 vehicles a day, roughly 16% of them trucks, projected to reach 21 by 2035. The structure is 76 ft (23.2 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 195 Prvt Appr
CrossesUnion Flat Creek
Location7.5 N JCT US 195 SP
Coordinates46.56561, -117.11472
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length76 ft (23.2 m)
Longest span34 ft (10.4 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2013)
Projected traffic21 by 2035
Trucks16%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$722,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 195 Prvt Appr over Union Flat Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 195 Prvt Appr 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 October 2024.

How much traffic does US 195 Prvt Appr over Union Flat Creek carry?

About 20 vehicles per day (2013 count), of which roughly 16% are trucks.

How long is US 195 Prvt Appr over Union Flat Creek?

The structure is 76 ft (23.2 m) long with a longest span of 34 ft (10.4 m) and a deck 21 ft wide.

Who owns US 195 Prvt Appr over Union Flat Creek?

It is owned by the State Highway Agency.