US Bridges

K-42 HWY over Ninnescah River

Good

Sedgwick County, Kansas · 2.88 MI NE K-49 · Structure no. 999904200874651

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,255 ft
7 main spans
Daily traffic
4,515
2023 count
Owner
State
State Highway Agency

About this bridge

K-42 HWY over Ninnescah River is a prestressed concrete continuous stringer/multi-beam or girder carrying K-42 HWY over Ninnescah River in Sedgwick County, Kansas. It was built in 2001, so it is 24 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 4,515 vehicles a day, roughly 13% of them trucks, projected to reach 4,890 by 2044. The structure is 1,255 ft (382.5 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK-42 HWY
CrossesNinnescah River
Location2.88 MI NE K-49
RouteState Highway 42
StateKansas
Coordinates37.51806, -97.60778
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating52.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans7 (+7 approach)
Design loadHS 25 or greater
Structure length1,255 ft (382.5 m)
Longest span92 ft (28 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,515 (2023)
Projected traffic4,890 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 K-42 HWY over Ninnescah River built?

It was built in 2001, making it 24 years old in 2025.

What condition is K-42 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 September 2024.

How much traffic does K-42 HWY over Ninnescah River carry?

About 4,515 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is K-42 HWY over Ninnescah River?

The structure is 1,255 ft (382.5 m) long with a longest span of 92 ft (28 m) and a deck 44 ft wide.

Who owns K-42 HWY over Ninnescah River?

It is owned by the State Highway Agency.