US Bridges

US50 HWY over Cottonwood Riv Drng

Good

Chase County, Kansas · 3.48 MI NE K150 · Structure no. 999905000090131

Built
1933
92 years old, rebuilt 1996
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
5,202
2023 count
Owner
State
State Highway Agency

About this bridge

US50 HWY over Cottonwood Riv Drng is a concrete culvert carrying US50 HWY over Cottonwood Riv Drng in Chase County, Kansas. It was built in 1933 and reconstructed in 1996, 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 5,202 vehicles a day, roughly 48% of them trucks, projected to reach 6,347 by 2044. The structure is 32 ft (9.7 m) long and 139 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS50 HWY
CrossesCottonwood Riv Drng
Location3.48 MI NE K150
RouteU.S. Route 50
StateKansas
Coordinates38.39861, -96.61611
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width139 ft (42.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,202 (2023)
Projected traffic6,347 by 2044
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Cottonwood Riv Drng built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1996.

What condition is US50 HWY over Cottonwood Riv Drng 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 October 2023.

How much traffic does US50 HWY over Cottonwood Riv Drng carry?

About 5,202 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is US50 HWY over Cottonwood Riv Drng?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 139 ft wide.

Who owns US50 HWY over Cottonwood Riv Drng?

It is owned by the State Highway Agency.