US Bridges

K-42 HWY over Ninnescah River Drainage

Good

Sedgwick County, Kansas · 1.02 MI NE K49 · Structure no. 999904200871631

Built
1943
82 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
4,515
2023 count
Owner
State
State Highway Agency

About this bridge

K-42 HWY over Ninnescah River Drainage is a concrete culvert carrying K-42 HWY over Ninnescah River Drainage in Sedgwick County, Kansas. It was built in 1943, so it is 82 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 4,515 vehicles a day, roughly 13% of them trucks, projected to reach 4,890 by 2044. The structure is 25 ft (7.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK-42 HWY
CrossesNinnescah River Drainage
Location1.02 MI NE K49
RouteState Highway 42
StateKansas
Coordinates37.49889, -97.62917
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 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 Drainage built?

It was built in 1943, making it 82 years old in 2025.

What condition is K-42 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 September 2024.

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

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

How long is K-42 HWY over Ninnescah River Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns K-42 HWY over Ninnescah River Drainage?

It is owned by the State Highway Agency.