US Bridges

SR 195 over Spring Flat Creek

Good

Whitman County, Washington · 7.2 N JCT SR 270 · Structure no. 002003080000000

Built
1960
65 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
7,672
2023 count
Owner
State
State Highway Agency

About this bridge

SR 195 over Spring Flat Creek is a concrete continuous culvert carrying SR 195 over Spring Flat Creek in Whitman County, Washington. It was built in 1960, so it is 65 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 7,672 vehicles a day, roughly 13% of them trucks, projected to reach 9,098 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 195
CrossesSpring Flat Creek
Location7.2 N JCT SR 270
RouteU.S. Route 195
Coordinates46.85306, -117.34275
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,672 (2023)
Projected traffic9,098 by 2039
Trucks13%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$522,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 195 over Spring Flat Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 195 over Spring 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 July 2024.

How much traffic does SR 195 over Spring Flat Creek carry?

About 7,672 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 195 over Spring Flat Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns SR 195 over Spring Flat Creek?

It is owned by the State Highway Agency.