US Bridges

N 231st Local Rd. over Trib. to Big Slough

Good

Sedgwick County, Kansas · 231STW 0.4 N of 77THN · Structure no. 000870791005986

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
89 ft
5 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

N 231st Local Rd. over Trib. to Big Slough is a concrete culvert carrying N 231st Local Rd. over Trib. to Big Slough in Sedgwick County, Kansas. It was built in 2000, so it is 25 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.

It carries about 60 vehicles a day, projected to reach 80 by 2044. The structure is 89 ft (27.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN 231st Local Rd.
CrossesTrib. to Big Slough
Location231STW 0.4 N of 77THN
RouteCounty Highway 0
CountySedgwick County
StateKansas
Coordinates37.83049, -97.6104
Functional classRural Local

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.8 US tons
Inventory rating53.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length89 ft (27.2 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic60 (2022)
Projected traffic80 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 N 231st Local Rd. over Trib. to Big Slough built?

It was built in 2000, making it 25 years old in 2025.

What condition is N 231st Local Rd. over Trib. to Big Slough 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 April 2023.

How much traffic does N 231st Local Rd. over Trib. to Big Slough carry?

About 60 vehicles per day (2022 count).

How long is N 231st Local Rd. over Trib. to Big Slough?

The structure is 89 ft (27.2 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns N 231st Local Rd. over Trib. to Big Slough?

It is owned by the County Highway Agency.