US Bridges

K4 HWY over Lairds Creek

Good

Morris County, Kansas · 10.31 MI NE K149 · Structure no. 999900400640331

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
315
2023 count
Owner
State
State Highway Agency

About this bridge

K4 HWY over Lairds Creek is a concrete continuous slab carrying K4 HWY over Lairds Creek in Morris County, Kansas. It was built in 1982, so it is 43 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 315 vehicles a day, roughly 11% of them trucks, projected to reach 328 by 2044. The structure is 122 ft (37.3 m) long and 30 ft wide.

CarriesK4 HWY
CrossesLairds Creek
Location10.31 MI NE K149
RouteState Highway 4
StateKansas
Coordinates38.7975, -96.62778
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2023)
Projected traffic328 by 2044
Trucks11%
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 K4 HWY over Lairds Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is K4 HWY over Lairds Creek 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 2023.

How much traffic does K4 HWY over Lairds Creek carry?

About 315 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is K4 HWY over Lairds Creek?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns K4 HWY over Lairds Creek?

It is owned by the State Highway Agency.