US Bridges

K4 HWY over East Branch Lyon Creek

Fair

Dickinson County, Kansas · 4.17 MI E K43 · Structure no. 999900400210811

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
852
2023 count
Owner
State
State Highway Agency

About this bridge

K4 HWY over East Branch Lyon Creek is a concrete continuous slab carrying K4 HWY over East Branch Lyon Creek in Dickinson County, Kansas. It was built in 1985, so it is 40 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 852 vehicles a day, roughly 19% of them trucks, projected to reach 1,040 by 2044. The structure is 142 ft (43.4 m) long and 38 ft wide.

CarriesK4 HWY
CrossesEast Branch Lyon Creek
Location4.17 MI E K43
RouteState Highway 4
StateKansas
Coordinates38.69583, -96.99667
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length142 ft (43.4 m)
Longest span56 ft (17.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic852 (2023)
Projected traffic1,040 by 2044
Trucks19%
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 East Branch Lyon Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is K4 HWY over East Branch Lyon 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 October 2023.

How much traffic does K4 HWY over East Branch Lyon Creek carry?

About 852 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is K4 HWY over East Branch Lyon Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17.1 m) and a deck 38 ft wide.

Who owns K4 HWY over East Branch Lyon Creek?

It is owned by the State Highway Agency.