US Bridges

296th RD over Trib. to Grouse Creek

Fair

Cowley County, Kansas · 1.0W 0.5N of Silverdale · Structure no. 000000000180080

Built
1939
86 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
195
2021 count
Owner
County
County Highway Agency

About this bridge

296th RD over Trib. to Grouse Creek is a concrete culvert carrying 296th RD over Trib. to Grouse Creek in Cowley County, Kansas. It was built in 1939, so it is 86 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 195 vehicles a day, roughly 10% of them trucks, projected to reach 235 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries296th RD
CrossesTrib. to Grouse Creek
Location1.0W 0.5N of Silverdale
RouteCounty Highway 157
StateKansas
Coordinates37.04868, -96.92809
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic195 (2021)
Projected traffic235 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 296th RD over Trib. to Grouse Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is 296th RD over Trib. to Grouse Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does 296th RD over Trib. to Grouse Creek carry?

About 195 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 296th RD over Trib. to Grouse Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 296th RD over Trib. to Grouse Creek?

It is owned by the County Highway Agency.