US Bridges

31st RD over Chilocco Creek

FairPosted for load

Cowley County, Kansas · 2.9S 3.0W Arkansas City · Structure no. 000180847007129

Built
1920
105 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

31st RD over Chilocco Creek is a concrete slab carrying 31st RD over Chilocco Creek in Cowley County, Kansas. It was built in 1920, so it is 105 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 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2044. The structure is 28 ft (8.4 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries31st RD
CrossesChilocco Creek
Location2.9S 3.0W Arkansas City
RouteCounty Highway 0
CountyCowley County
StateKansas
Coordinates37.00059, -97.09349
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating26 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span26 ft (7.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2018)
Projected traffic35 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 31st RD over Chilocco Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is 31st RD over Chilocco 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 31st RD over Chilocco Creek carry?

About 25 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 31st RD over Chilocco Creek?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.8 m) and a deck 16 ft wide.

Who owns 31st RD over Chilocco Creek?

It is owned by the County Highway Agency.