US Bridges

US54/US400 HWY over S Fork Ninnescah River

Good

Kingman County, Kansas · 7.38 MI E of Pratt Coln · Structure no. 999905400480691

Built
1988
37 years old, rebuilt 2013
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,565
2023 count
Owner
State
State Highway Agency

About this bridge

US54/US400 HWY over S Fork Ninnescah River is a concrete culvert carrying US54/US400 HWY over S Fork Ninnescah River in Kingman County, Kansas. It was built in 1988 and reconstructed in 2013, so it is 37 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 2,565 vehicles a day, roughly 26% of them trucks, projected to reach 2,617 by 2044. The structure is 26 ft (7.8 m) long and 245 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS54/US400 HWY
CrossesS Fork Ninnescah River
Location7.38 MI E of Pratt Coln
RouteU.S. Route 54
StateKansas
Coordinates37.645, -98.33028
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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating73 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width245 ft (74.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,565 (2023)
Projected traffic2,617 by 2044
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 US54/US400 HWY over S Fork Ninnescah River built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2013.

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

About 2,565 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is US54/US400 HWY over S Fork Ninnescah River?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 245 ft wide.

Who owns US54/US400 HWY over S Fork Ninnescah River?

It is owned by the State Highway Agency.