US Bridges

K11 HWY over S F Ninnescah Riv Drg

Good

Kingman County, Kansas · 1.07 MI N Wjct US54 · Structure no. 999901400480401

Built
1954
71 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
405
2023 count
Owner
State
State Highway Agency

About this bridge

K11 HWY over S F Ninnescah Riv Drg is a concrete culvert carrying K11 HWY over S F Ninnescah Riv Drg in Kingman County, Kansas. It was built in 1954, so it is 71 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 405 vehicles a day, roughly 7% of them trucks, projected to reach 484 by 2044. The structure is 43 ft (13.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesK11 HWY
CrossesS F Ninnescah Riv Drg
Location1.07 MI N Wjct US54
RouteState Highway 11
StateKansas
Coordinates37.66167, -98.19028
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length43 ft (13.2 m)
Longest span10 ft (3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic405 (2023)
Projected traffic484 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 K11 HWY over S F Ninnescah Riv Drg built?

It was built in 1954, making it 71 years old in 2025.

What condition is K11 HWY over S F Ninnescah Riv Drg 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 August 2023.

How much traffic does K11 HWY over S F Ninnescah Riv Drg carry?

About 405 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K11 HWY over S F Ninnescah Riv Drg?

The structure is 43 ft (13.2 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns K11 HWY over S F Ninnescah Riv Drg?

It is owned by the State Highway Agency.