US Bridges

U-40 HWY over Sth Fk Smoky Hill River

Good

Wallace County, Kansas · 3.00 MI Ejct K27 · Structure no. 999904001000231

Built
2024
1 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
423 ft
8 main spans
Daily traffic
1,222
2023 count
Owner
State
State Highway Agency

About this bridge

U-40 HWY over Sth Fk Smoky Hill River is a concrete continuous slab carrying U-40 HWY over Sth Fk Smoky Hill River in Wallace County, Kansas. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,222 vehicles a day, roughly 24% of them trucks, projected to reach 1,679 by 2044. The structure is 423 ft (128.8 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesU-40 HWY
CrossesSth Fk Smoky Hill River
Location3.00 MI Ejct K27
RouteU.S. Route 40
StateKansas
Coordinates38.90194, -101.69417
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length423 ft (128.8 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 traffic1,222 (2023)
Projected traffic1,679 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 U-40 HWY over Sth Fk Smoky Hill River built?

It was built in 2024, making it 1 years old in 2025.

What condition is U-40 HWY over Sth Fk 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 February 2025.

How much traffic does U-40 HWY over Sth Fk Smoky Hill River carry?

About 1,222 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is U-40 HWY over Sth Fk Smoky Hill River?

The structure is 423 ft (128.8 m) long with a longest span of 56 ft (17.1 m) and a deck 38 ft wide.

Who owns U-40 HWY over Sth Fk Smoky Hill River?

It is owned by the State Highway Agency.