US Bridges

K23 HWY over North Fork Walnut Creek

Fair

Lane County, Kansas · 6.47 Mi. North of K-96 · Structure no. 999902300510031

Built
1936
89 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
79 ft
9 main spans
Daily traffic
1,088
2023 count
Owner
State
State Highway Agency

About this bridge

K23 HWY over North Fork Walnut Creek is a concrete culvert carrying K23 HWY over North Fork Walnut Creek in Lane County, Kansas. It was built in 1936, so it is 89 years old, older 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 1,088 vehicles a day, roughly 32% of them trucks, projected to reach 1,132 by 2044. The structure is 79 ft (24.2 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesK23 HWY
CrossesNorth Fork Walnut Creek
Location6.47 Mi. North of K-96
RouteState Highway 23
CountyLane County
StateKansas
Coordinates38.57583, -100.46861
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.8 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length79 ft (24.2 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,088 (2023)
Projected traffic1,132 by 2044
Trucks32%
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 K23 HWY over North Fork Walnut Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is K23 HWY over North Fork Walnut 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 April 2023.

How much traffic does K23 HWY over North Fork Walnut Creek carry?

About 1,088 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is K23 HWY over North Fork Walnut Creek?

The structure is 79 ft (24.2 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns K23 HWY over North Fork Walnut Creek?

It is owned by the State Highway Agency.