US Bridges

K43 HWY over Smoky Hill River

Fair

Dickinson County, Kansas · 3.76 MI S of I70 · Structure no. 999904300210851

Built
1988
37 years old, rebuilt 2009
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
448 ft
4 main spans
Daily traffic
1,313
2023 count
Owner
State
State Highway Agency

About this bridge

K43 HWY over Smoky Hill River is a steel continuous stringer/multi-beam or girder carrying K43 HWY over Smoky Hill River in Dickinson County, Kansas. It was built in 1988 and reconstructed in 2009, so it is 37 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 1,313 vehicles a day, roughly 7% of them trucks, projected to reach 1,340 by 2044. The structure is 448 ft (136.7 m) long and 42 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesK43 HWY
CrossesSmoky Hill River
Location3.76 MI S of I70
RouteState Highway 43
StateKansas
Coordinates38.90694, -97.11778
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length448 ft (136.7 m)
Longest span127 ft (38.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,313 (2023)
Projected traffic1,340 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
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 K43 HWY over Smoky Hill River built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2009.

What condition is K43 HWY over Smoky Hill River 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 August 2024.

How much traffic does K43 HWY over Smoky Hill River carry?

About 1,313 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K43 HWY over Smoky Hill River?

The structure is 448 ft (136.7 m) long with a longest span of 127 ft (38.7 m) and a deck 42 ft wide.

Who owns K43 HWY over Smoky Hill River?

It is owned by the State Highway Agency.