US Bridges

31st S over Afton Creek

Good

Sedgwick County, Kansas · 31STS 0.7 E of 231STW · Structure no. 000870791806260

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
140
2022 count
Owner
County
County Highway Agency

About this bridge

31st S over Afton Creek is a concrete culvert carrying 31st S over Afton Creek in Sedgwick County, Kansas. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, projected to reach 171 by 2044. The structure is 23 ft (6.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries31st S
CrossesAfton Creek
Location31STS 0.7 E of 231STW
RouteCounty Highway 6344
StateKansas
Coordinates37.63457, -97.59309
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2022)
Projected traffic171 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 31st S over Afton Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is 31st S over Afton 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 May 2024.

How much traffic does 31st S over Afton Creek carry?

About 140 vehicles per day (2022 count).

How long is 31st S over Afton Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns 31st S over Afton Creek?

It is owned by the County Highway Agency.