US Bridges

US54/US400 HWY EB over N Fork Ninnescah River

Good

Sedgwick County, Kansas · 1.86 MI E K251 EB · Structure no. 999905400871171

Built
1969
56 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
255 ft
5 main spans
Daily traffic
4,792
2023 count
Owner
State
State Highway Agency

About this bridge

US54/US400 HWY EB over N Fork Ninnescah River is a concrete continuous slab carrying US54/US400 HWY EB over N Fork Ninnescah River in Sedgwick County, Kansas. It was built in 1969, so it is 56 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 4,792 vehicles a day, roughly 18% of them trucks, projected to reach 6,204 by 2044. The structure is 255 ft (77.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS54/US400 HWY EB
CrossesN Fork Ninnescah River
Location1.86 MI E K251 EB
RouteU.S. Route 54
StateKansas
Coordinates37.66778, -97.755
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length255 ft (77.6 m)
Longest span56 ft (17.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,792 (2023)
Projected traffic6,204 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 EB over N Fork Ninnescah River built?

It was built in 1969, making it 56 years old in 2025.

What condition is US54/US400 HWY EB over N 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 September 2024.

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

About 4,792 vehicles per day (2023 count), of which roughly 18% are trucks.

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

The structure is 255 ft (77.6 m) long with a longest span of 56 ft (17.1 m) and a deck 42 ft wide.

Who owns US54/US400 HWY EB over N Fork Ninnescah River?

It is owned by the State Highway Agency.