US Bridges

K146 HWY over Big Walnut Creek Drg

Good

Crawford County, Kansas · 2.79 MI E Neosho CO Line · Structure no. 999914600190861

Built
2011
14 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

K146 HWY over Big Walnut Creek Drg is a concrete culvert carrying K146 HWY over Big Walnut Creek Drg in Crawford County, Kansas. It was built in 2011, so it is 14 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 400 vehicles a day, roughly 14% of them trucks, projected to reach 408 by 2044. The structure is 29 ft (8.7 m) long and 59 ft wide.

CarriesK146 HWY
CrossesBig Walnut Creek Drg
Location2.79 MI E Neosho CO Line
RouteState Highway 146
StateKansas
Coordinates37.60167, -95.03667
Functional classRural Major 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.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span12 ft (3.7 m)
Deck width59 ft (18.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic408 by 2044
Trucks14%
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 K146 HWY over Big Walnut Creek Drg built?

It was built in 2011, making it 14 years old in 2025.

What condition is K146 HWY over Big Walnut Creek Drg 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 March 2024.

How much traffic does K146 HWY over Big Walnut Creek Drg carry?

About 400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is K146 HWY over Big Walnut Creek Drg?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m) and a deck 59 ft wide.

Who owns K146 HWY over Big Walnut Creek Drg?

It is owned by the State Highway Agency.