US Bridges

296th RD over Trib. to Arkansas River

Fair

Cowley County, Kansas · 3.0W 0.5N of Silverdale · Structure no. 000000000180070

Built
1934
91 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
515
2021 count
Owner
County
County Highway Agency

About this bridge

296th RD over Trib. to Arkansas River is a concrete culvert carrying 296th RD over Trib. to Arkansas River in Cowley County, Kansas. It was built in 1934, so it is 91 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 515 vehicles a day, roughly 10% of them trucks, projected to reach 620 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries296th RD
CrossesTrib. to Arkansas River
Location3.0W 0.5N of Silverdale
RouteCounty Highway 157
CountyCowley County
StateKansas
Coordinates37.04878, -96.95856
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 spans3
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic515 (2021)
Projected traffic620 by 2044
Trucks10%
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 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 Arkansas River built?

It was built in 1934, making it 91 years old in 2025.

What condition is 296th RD over Trib. to Arkansas River 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 Arkansas River carry?

About 515 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 296th RD over Trib. to Arkansas River?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).

Who owns 296th RD over Trib. to Arkansas River?

It is owned by the County Highway Agency.