US Bridges

321st RD over Grouse Creek

FairPosted for load

Cowley County, Kansas · 6.8N 1.0W Grand Summit · Structure no. 000180901806502

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
26 ft
3 main spans
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

321st RD over Grouse Creek is a steel culvert carrying 321st RD over Grouse Creek in Cowley County, Kansas. It was built in 1976, so it is 49 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 5% of them trucks, projected to reach 5 by 2044. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
Carries321st RD
CrossesGrouse Creek
Location6.8N 1.0W Grand Summit
RouteCounty Highway 0
CountyCowley County
StateKansas
Coordinates37.45744, -96.57429
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.5 US tons
Inventory rating10 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2018)
Projected traffic5 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 321st RD over Grouse Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is 321st RD over 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 321st RD over Grouse Creek carry?

About 5 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 321st RD over Grouse Creek?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m) and a deck 30 ft wide.

Who owns 321st RD over Grouse Creek?

It is owned by the County Highway Agency.