US Bridges

Ridge Road over Big Slough North Trib.

Good

Sedgwick County, Kansas · Ridge RD .1 M S 29th N · Structure no. 430400870000330

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
18,000
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridge Road over Big Slough North Trib. is a concrete culvert carrying Ridge Road over Big Slough North Trib. in Sedgwick County, Kansas. It was built in 1997, so it is 28 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 18,000 vehicles a day, roughly 2% of them trucks, projected to reach 21,000 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRidge Road
CrossesBig Slough North Trib.
LocationRidge RD .1 M S 29th N
RouteCity Street 0
StateKansas
Coordinates37.73508, -97.42626
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to 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 spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic18,000 (2006)
Projected traffic21,000 by 2039
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Ridge Road over Big Slough North Trib. built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ridge Road over Big Slough North Trib. 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 August 2023.

How much traffic does Ridge Road over Big Slough North Trib. carry?

About 18,000 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Ridge Road over Big Slough North Trib.?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m).

Who owns Ridge Road over Big Slough North Trib.?

It is owned by the City or Municipal Highway Agency.