US Bridges

K25 HWY over Smoky Hill River

Good

Logan County, Kansas · 12.44 MI S-Wjct US40 · Structure no. 999902500550301

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
326 ft
5 main spans
Daily traffic
151
2023 count
Owner
State
State Highway Agency

About this bridge

K25 HWY over Smoky Hill River is a concrete continuous slab carrying K25 HWY over Smoky Hill River in Logan County, Kansas. It was built in 2020, so it is 5 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 151 vehicles a day, roughly 34% of them trucks, projected to reach 184 by 2044. The structure is 326 ft (99.5 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesK25 HWY
CrossesSmoky Hill River
Location12.44 MI S-Wjct US40
RouteState Highway 25
StateKansas
Coordinates38.90278, -101.18528
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHL 93
Structure length326 ft (99.5 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2023)
Projected traffic184 by 2044
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 K25 HWY over Smoky Hill River built?

It was built in 2020, making it 5 years old in 2025.

What condition is K25 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 April 2024.

How much traffic does K25 HWY over Smoky Hill River carry?

About 151 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is K25 HWY over Smoky Hill River?

The structure is 326 ft (99.5 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns K25 HWY over Smoky Hill River?

It is owned by the State Highway Agency.