US Bridges

Maize Road Adj. over Big Slough

Good

Sedgwick County, Kansas · 15.5 MI E Reno Cl · Structure no. 999909600871931

Built
1968
57 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
132
2023 count
Owner
State
State Highway Agency

About this bridge

Maize Road Adj. over Big Slough is a concrete culvert carrying Maize Road Adj. over Big Slough in Sedgwick County, Kansas. It was built in 1968, so it is 57 years old, older 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 132 vehicles a day. The structure is 20 ft (6.2 m) long and 37 ft wide.

CarriesMaize Road Adj.
CrossesBig Slough
Location15.5 MI E Reno Cl
RouteCounty Highway 3570
StateKansas
Coordinates37.78556, -97.46306
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2023)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Maize Road Adj. over Big Slough built?

It was built in 1968, making it 57 years old in 2025.

What condition is Maize Road Adj. 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 October 2024.

How much traffic does Maize Road Adj. over Big Slough carry?

About 132 vehicles per day (2023 count).

How long is Maize Road Adj. over Big Slough?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns Maize Road Adj. over Big Slough?

It is owned by the State Highway Agency.