US Bridges

31st Street South over Big Slough South Trib.

Fair

Sedgwick County, Kansas · 31st St. S at Sheridan · Structure no. 530400870031S10

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
9,800
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

31st Street South over Big Slough South Trib. is a concrete culvert carrying 31st Street South over Big Slough South Trib. in Sedgwick County, Kansas. It was built in 1963, so it is 62 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.

It carries about 9,800 vehicles a day, roughly 1% of them trucks, projected to reach 11,500 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries31st Street South
CrossesBig Slough South Trib.
Location31st St. S at Sheridan
RouteCity Street 0
CountySedgwick County
StateKansas
Coordinates37.63687, -97.3802
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic9,800 (2006)
Projected traffic11,500 by 2039
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Street South over Big Slough South Trib. built?

It was built in 1963, making it 62 years old in 2025.

What condition is 31st Street South over Big Slough South Trib. 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 September 2023.

How much traffic does 31st Street South over Big Slough South Trib. carry?

About 9,800 vehicles per day (2006 count), of which roughly 1% are trucks.

How long is 31st Street South over Big Slough South Trib.?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).

Who owns 31st Street South over Big Slough South Trib.?

It is owned by the City or Municipal Highway Agency.