US Bridges

US54/US400 HWY over Ninnescah River

Good

Pratt County, Kansas · 1.78 MI W US-281 · Structure no. 999905400760201

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
7,623
2023 count
Owner
State
State Highway Agency

About this bridge

US54/US400 HWY over Ninnescah River is a concrete continuous slab carrying US54/US400 HWY over Ninnescah River in Pratt County, Kansas. It was built in 1994, so it is 31 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 7,623 vehicles a day, roughly 24% of them trucks, projected to reach 9,302 by 2044. The structure is 133 ft (40.4 m) long and 46 ft wide.

CarriesUS54/US400 HWY
CrossesNinnescah River
Location1.78 MI W US-281
RouteU.S. Route 54
StateKansas
Coordinates37.64167, -98.77111
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 inspectionAugust 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length133 ft (40.4 m)
Longest span52 ft (15.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,623 (2023)
Projected traffic9,302 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 US54/US400 HWY over Ninnescah River built?

It was built in 1994, making it 31 years old in 2025.

What condition is US54/US400 HWY over Ninnescah 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 August 2023.

How much traffic does US54/US400 HWY over Ninnescah River carry?

About 7,623 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US54/US400 HWY over Ninnescah River?

The structure is 133 ft (40.4 m) long with a longest span of 52 ft (15.8 m) and a deck 46 ft wide.

Who owns US54/US400 HWY over Ninnescah River?

It is owned by the State Highway Agency.