US Bridges

RAGON/2200 over Cottonwood Creek

Good

Whitman County, Washington · 0.03 MI E SR 195 · Structure no. 087206000000000

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

RAGON/2200 over Cottonwood Creek is a prestressed concrete slab carrying RAGON/2200 over Cottonwood Creek in Whitman County, Washington. It was built in 2004, so it is 21 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 51 by 2039. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRAGON/2200
CrossesCottonwood Creek
Location0.03 MI E SR 195
RouteCounty Highway 22000
Coordinates47.0581, -117.38027
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RAGON/2200 over Cottonwood Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is RAGON/2200 over Cottonwood 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 November 2024.

How much traffic does RAGON/2200 over Cottonwood Creek carry?

About 50 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is RAGON/2200 over Cottonwood Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns RAGON/2200 over Cottonwood Creek?

It is owned by the County Highway Agency.