US Bridges

US50/US400 HWY over Arkansas River Drainage

Good

Finney County, Kansas · 0.43 MI W Gray Coln · Structure no. 999905000280031

Built
1953
72 years old, rebuilt 2005
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
5,479
2023 count
Owner
State
State Highway Agency

About this bridge

US50/US400 HWY over Arkansas River Drainage is a concrete culvert carrying US50/US400 HWY over Arkansas River Drainage in Finney County, Kansas. It was built in 1953 and reconstructed in 2005, so it is 72 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 5,479 vehicles a day, roughly 24% of them trucks, projected to reach 6,685 by 2044. The structure is 21 ft (6.3 m) long and 97 ft wide.

Location

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CarriesUS50/US400 HWY
CrossesArkansas River Drainage
Location0.43 MI W Gray Coln
RouteU.S. Route 50
CountyFinney County
StateKansas
Coordinates37.88222, -100.67278
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width97 ft (29.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,479 (2023)
Projected traffic6,685 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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/US400 HWY over Arkansas River Drainage built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2005.

What condition is US50/US400 HWY over Arkansas 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 April 2023.

How much traffic does US50/US400 HWY over Arkansas River Drainage carry?

About 5,479 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US50/US400 HWY over Arkansas River Drainage?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 97 ft wide.

Who owns US50/US400 HWY over Arkansas River Drainage?

It is owned by the State Highway Agency.