US Bridges

Rs 1805 N 247th over Big Slough

Good

Sedgwick County, Kansas · 247THW 0.8 N of 77THN · Structure no. 000000000871721

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
76 ft
4 main spans
Daily traffic
780
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 1805 N 247th over Big Slough is a concrete culvert carrying Rs 1805 N 247th over Big Slough in Sedgwick County, Kansas. It was built in 2021, so it is 4 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 780 vehicles a day, roughly 10% of them trucks, projected to reach 920 by 2044. The structure is 76 ft (23.1 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 1805 N 247th
CrossesBig Slough
Location247THW 0.8 N of 77THN
RouteCounty Highway 6745
StateKansas
Coordinates37.83718, -97.64534
Functional classUrban 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating74.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length76 ft (23.1 m)
Longest span18 ft (5.4 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic780 (2022)
Projected traffic920 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 Rs 1805 N 247th over Big Slough built?

It was built in 2021, making it 4 years old in 2025.

What condition is Rs 1805 N 247th over 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 Rs 1805 N 247th over Big Slough carry?

About 780 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Rs 1805 N 247th over Big Slough?

The structure is 76 ft (23.1 m) long with a longest span of 18 ft (5.4 m) and a deck 58 ft wide.

Who owns Rs 1805 N 247th over Big Slough?

It is owned by the County Highway Agency.