US Bridges

29th St. North over Big Slough Creek

Fair

Sedgwick County, Kansas · 29th and Ridge Road · Structure no. 5304008700UBS10

Built
1990
35 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
1,500
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

29th St. North over Big Slough Creek is a concrete continuous slab carrying 29th St. North over Big Slough Creek in Sedgwick County, Kansas. It was built in 1990, so it is 35 years old, younger 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 6 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 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,500 by 2039. The structure is 140 ft (42.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries29th St. North
CrossesBig Slough Creek
Location29th and Ridge Road
RouteCity Street 0
StateKansas
Coordinates37.73774, -97.42016
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span55 ft (16.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,500 (2006)
Projected traffic2,500 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 29th St. North over Big Slough Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 29th St. North over Big Slough Creek 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 August 2023.

How much traffic does 29th St. North over Big Slough Creek carry?

About 1,500 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is 29th St. North over Big Slough Creek?

The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.7 m) and a deck 30 ft wide.

Who owns 29th St. North over Big Slough Creek?

It is owned by the City or Municipal Highway Agency.