US Bridges

K55 HWY over Ninnescah River Drainage

Good

Sumner County, Kansas · 4.38 MI E US81 · Structure no. 999905500961141

Built
1933
92 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
1,016
2023 count
Owner
State
State Highway Agency

About this bridge

K55 HWY over Ninnescah River Drainage is a concrete culvert carrying K55 HWY over Ninnescah River Drainage in Sumner County, Kansas. It was built in 1933, so it is 92 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 1,016 vehicles a day, roughly 4% of them trucks, projected to reach 1,665 by 2044. The structure is 35 ft (10.6 m) long and 32 ft wide.

CarriesK55 HWY
CrossesNinnescah River Drainage
Location4.38 MI E US81
RouteState Highway 55
StateKansas
Coordinates37.39222, -97.25389
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length35 ft (10.6 m)
Longest span8 ft (2.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,016 (2023)
Projected traffic1,665 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K55 HWY over Ninnescah River Drainage built?

It was built in 1933, making it 92 years old in 2025.

What condition is K55 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 2023.

How much traffic does K55 HWY over Ninnescah River Drainage carry?

About 1,016 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is K55 HWY over Ninnescah River Drainage?

The structure is 35 ft (10.6 m) long with a longest span of 8 ft (2.4 m) and a deck 32 ft wide.

Who owns K55 HWY over Ninnescah River Drainage?

It is owned by the State Highway Agency.