US Bridges

US50/US400 HWY over Arkansas River Drainage

Fair

Ford County, Kansas · 4.26 MI E Gray Coln · Structure no. 999905000290041

Built
1936
89 years old, rebuilt 1981
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
61 ft
7 main spans
Daily traffic
6,000
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 Ford County, Kansas. It was built in 1936 and reconstructed in 1981, so it is 89 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,000 vehicles a day, roughly 29% of them trucks, projected to reach 7,321 by 2044. The structure is 61 ft (18.7 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesUS50/US400 HWY
CrossesArkansas River Drainage
Location4.26 MI E Gray Coln
RouteU.S. Route 50
CountyFord County
StateKansas
Coordinates37.77028, -100.14222
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length61 ft (18.7 m)
Longest span8 ft (2.4 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic7,321 by 2044
Trucks29%
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 1936, making it 89 years old in 2025. It was reconstructed in 1981.

What condition is US50/US400 HWY over Arkansas River Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

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

About 6,000 vehicles per day (2023 count), of which roughly 29% are trucks.

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

The structure is 61 ft (18.7 m) long with a longest span of 8 ft (2.4 m) and a deck 54 ft wide.

Who owns US50/US400 HWY over Arkansas River Drainage?

It is owned by the State Highway Agency.