US Bridges

K251 HWY over N Fork Ninnescah River

Fair

Sedgwick County, Kansas · 2.38 MI N US54 · Structure no. 999925100872051

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
222 ft
6 main spans
Daily traffic
1,118
2023 count
Owner
State
State Highway Agency

About this bridge

K251 HWY over N Fork Ninnescah River is a concrete continuous slab carrying K251 HWY over N Fork Ninnescah River in Sedgwick County, Kansas. It was built in 1967, so it is 58 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,118 vehicles a day, roughly 8% of them trucks, projected to reach 1,311 by 2044. The structure is 222 ft (67.8 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesK251 HWY
CrossesN Fork Ninnescah River
Location2.38 MI N US54
RouteState Highway 251
StateKansas
Coordinates37.70333, -97.78944
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length222 ft (67.8 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,118 (2023)
Projected traffic1,311 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 K251 HWY over N Fork Ninnescah River built?

It was built in 1967, making it 58 years old in 2025.

What condition is K251 HWY over N Fork Ninnescah River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does K251 HWY over N Fork Ninnescah River carry?

About 1,118 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is K251 HWY over N Fork Ninnescah River?

The structure is 222 ft (67.8 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns K251 HWY over N Fork Ninnescah River?

It is owned by the State Highway Agency.