US Bridges

296th RD over Grouse Creek

GoodPosted for load

Cowley County, Kansas · 0.5N 0.7E of Silverdale · Structure no. 000000000180100

Built
1980
45 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
363 ft
4 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

296th RD over Grouse Creek is a steel continuous stringer/multi-beam or girder carrying 296th RD over Grouse Creek in Cowley County, Kansas. It was built in 1980, so it is 45 years old, younger than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2044. The structure is 363 ft (110.6 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries296th RD
CrossesGrouse Creek
Location0.5N 0.7E of Silverdale
RouteCounty Highway 157
StateKansas
Coordinates37.04852, -96.89089
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.2 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length363 ft (110.6 m)
Longest span105 ft (32 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic250 (2021)
Projected traffic300 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 296th RD over Grouse Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is 296th RD over Grouse 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 January 2024.

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

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 296th RD over Grouse Creek?

The structure is 363 ft (110.6 m) long with a longest span of 105 ft (32 m) and a deck 30 ft wide.

Who owns 296th RD over Grouse Creek?

It is owned by the County Highway Agency.