US Bridges

K156 HWY over Smoky Hill River

Good

Ellsworth County, Kansas · 0.77 MI NE K14 · Structure no. 999915600270231

Built
1961
64 years old, rebuilt 2002
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
393 ft
4 main spans
Daily traffic
3,351
2023 count
Owner
State
State Highway Agency

About this bridge

K156 HWY over Smoky Hill River is a steel continuous stringer/multi-beam or girder carrying K156 HWY over Smoky Hill River in Ellsworth County, Kansas. It was built in 1961 and reconstructed in 2002, so it is 64 years old, older 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 3,351 vehicles a day, roughly 20% of them trucks, projected to reach 4,513 by 2044. The structure is 393 ft (119.9 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesK156 HWY
CrossesSmoky Hill River
Location0.77 MI NE K14
RouteState Highway 156
StateKansas
Coordinates38.71972, -98.22444
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating74.8 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length393 ft (119.9 m)
Longest span108 ft (32.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,351 (2023)
Projected traffic4,513 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

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 K156 HWY over Smoky Hill River built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2002.

What condition is K156 HWY over Smoky Hill River 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 November 2024.

How much traffic does K156 HWY over Smoky Hill River carry?

About 3,351 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is K156 HWY over Smoky Hill River?

The structure is 393 ft (119.9 m) long with a longest span of 108 ft (32.9 m) and a deck 46 ft wide.

Who owns K156 HWY over Smoky Hill River?

It is owned by the State Highway Agency.