US Bridges

US54/US400 HWY over Ninnescah River Drainage

Good

Pratt County, Kansas · 0.43 MI E K64 · Structure no. 999905400760021

Built
1950
75 years old, rebuilt 1997
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
7,459
2023 count
Owner
State
State Highway Agency

About this bridge

US54/US400 HWY over Ninnescah River Drainage is a concrete culvert carrying US54/US400 HWY over Ninnescah River Drainage in Pratt County, Kansas. It was built in 1950 and reconstructed in 1997, so it is 75 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 7,459 vehicles a day, roughly 24% of them trucks, projected to reach 9,658 by 2044. The structure is 30 ft (9 m) long and 110 ft wide.

CarriesUS54/US400 HWY
CrossesNinnescah River Drainage
Location0.43 MI E K64
RouteU.S. Route 54
StateKansas
Coordinates37.64528, -98.68806
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length30 ft (9 m)
Longest span9 ft (2.7 m)
Deck width110 ft (33.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,459 (2023)
Projected traffic9,658 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 Drainage built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1997.

What condition is US54/US400 HWY over Ninnescah River Drainage 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 Drainage carry?

About 7,459 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US54/US400 HWY over Ninnescah River Drainage?

The structure is 30 ft (9 m) long with a longest span of 9 ft (2.7 m) and a deck 110 ft wide.

Who owns US54/US400 HWY over Ninnescah River Drainage?

It is owned by the State Highway Agency.