US Bridges

11th RD over Chilocco Creek

GoodPosted for load

Cowley County, Kansas · 1.0E 7.8S Geuda Springs · Structure no. 000000000180530

Built
1955
70 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
63 ft
3 main spans
Daily traffic
420
2021 count
Owner
County
County Highway Agency

About this bridge

11th RD over Chilocco Creek is a concrete culvert carrying 11th RD over Chilocco Creek in Cowley County, Kansas. It was built in 1955, so it is 70 years old, older 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 420 vehicles a day, roughly 10% of them trucks, projected to reach 500 by 2044. The structure is 63 ft (19.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries11th RD
CrossesChilocco Creek
Location1.0E 7.8S Geuda Springs
RouteCounty Highway 646
StateKansas
Coordinates37.00314, -97.12972
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length63 ft (19.2 m)
Longest span20 ft (6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic420 (2021)
Projected traffic500 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 11th RD over Chilocco Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 11th RD over Chilocco 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 11th RD over Chilocco Creek carry?

About 420 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 11th RD over Chilocco Creek?

The structure is 63 ft (19.2 m) long with a longest span of 20 ft (6 m) and a deck 28 ft wide.

Who owns 11th RD over Chilocco Creek?

It is owned by the County Highway Agency.