US Bridges

US50 HWY over N. F Ninnescah Riv Drg

Good

Reno County, Kansas · 3.84 MI E Old US50 · Structure no. 999905000780011

Built
1969
56 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
2,432
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 Reno County, Kansas. It was built in 1969, so it is 56 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 2,432 vehicles a day, roughly 46% of them trucks, projected to reach 2,481 by 2044. The structure is 31 ft (9.5 m) long and 98 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS50 HWY
CrossesN. F Ninnescah Riv Drg
Location3.84 MI E Old US50
RouteU.S. Route 50
StateKansas
Coordinates37.98417, -98.33694
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 inspectionSeptember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width98 ft (30 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,432 (2023)
Projected traffic2,481 by 2044
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1969, making it 56 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 September 2024.

How much traffic does US50 HWY over N. F Ninnescah Riv Drg carry?

About 2,432 vehicles per day (2023 count), of which roughly 46% are trucks.

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

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 98 ft wide.

Who owns US50 HWY over N. F Ninnescah Riv Drg?

It is owned by the State Highway Agency.