US Bridges

US50 HWY over N F Ninnescah Riv Drg

Good

Stafford County, Kansas · 9.88 MI E US281 · Structure no. 999905000930101

Built
1958
67 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
51 ft
6 main spans
Daily traffic
2,750
2023 count
Owner
State
State Highway Agency

About this bridge

US50 HWY over N F Ninnescah Riv Drg is a concrete culvert carrying US50 HWY over N F Ninnescah Riv Drg in Stafford County, Kansas. It was built in 1958, so it is 67 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 2,750 vehicles a day, roughly 47% of them trucks, projected to reach 3,038 by 2044. The structure is 51 ft (15.5 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS50 HWY
CrossesN F Ninnescah Riv Drg
Location9.88 MI E US281
RouteU.S. Route 50
StateKansas
Coordinates37.955, -98.56583
Functional classRural Principal Arterial - Other

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length51 ft (15.5 m)
Longest span8 ft (2.4 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2023)
Projected traffic3,038 by 2044
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 US50 HWY over N F Ninnescah Riv Drg built?

It was built in 1958, making it 67 years old in 2025.

What condition is US50 HWY over N 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 US50 HWY over N F Ninnescah Riv Drg carry?

About 2,750 vehicles per day (2023 count), of which roughly 47% are trucks.

How long is US50 HWY over N F Ninnescah Riv Drg?

The structure is 51 ft (15.5 m) long with a longest span of 8 ft (2.4 m) and a deck 44 ft wide.

Who owns US50 HWY over N F Ninnescah Riv Drg?

It is owned by the State Highway Agency.