US Bridges

US-400 HWY over Arkansas River Drainage

Good

Ford County, Kansas · 0.90 MI SE 56/ 400 Sjct · Structure no. 999940000290651

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
3,509
2023 count
Owner
State
State Highway Agency

About this bridge

US-400 HWY over Arkansas River Drainage is a concrete culvert carrying US-400 HWY over Arkansas River Drainage in Ford County, Kansas. It was built in 1998, so it is 27 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,509 vehicles a day, roughly 24% of them trucks, projected to reach 3,801 by 2044. The structure is 34 ft (10.5 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-400 HWY
CrossesArkansas River Drainage
Location0.90 MI SE 56/ 400 Sjct
RouteU.S. Route 400
StateKansas
Coordinates37.73972, -99.96028
Functional classUrban Other Principal Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span8 ft (2.4 m)
Deck width110 ft (33.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,509 (2023)
Projected traffic3,801 by 2044
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US-400 HWY over Arkansas River Drainage built?

It was built in 1998, making it 27 years old in 2025.

What condition is US-400 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 May 2023.

How much traffic does US-400 HWY over Arkansas River Drainage carry?

About 3,509 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US-400 HWY over Arkansas River Drainage?

The structure is 34 ft (10.5 m) long with a longest span of 8 ft (2.4 m) and a deck 110 ft wide.

Who owns US-400 HWY over Arkansas River Drainage?

It is owned by the State Highway Agency.