US Bridges

US-400 HWY over Verdigris River Trib

Good

Montgomery County, Kansas · 2.57 MI SE Wilson Coln · Structure no. 999940000630791

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,955
2023 count
Owner
State
State Highway Agency

About this bridge

US-400 HWY over Verdigris River Trib is a concrete culvert carrying US-400 HWY over Verdigris River Trib in Montgomery County, Kansas. It was built in 1997, so it is 28 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 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 1,955 vehicles a day, roughly 24% of them trucks, projected to reach 2,385 by 2044. The structure is 29 ft (8.9 m) long and 258 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-400 HWY
CrossesVerdigris River Trib
Location2.57 MI SE Wilson Coln
RouteU.S. Route 400
StateKansas
Coordinates37.35722, -95.68722
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 inspectionMarch 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 geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating19.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span10 ft (3 m)
Deck width258 ft (78.6 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,955 (2023)
Projected traffic2,385 by 2044
Trucks24%
Lanes on structure3
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 Verdigris River Trib built?

It was built in 1997, making it 28 years old in 2025.

What condition is US-400 HWY over Verdigris River Trib 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 March 2023.

How much traffic does US-400 HWY over Verdigris River Trib carry?

About 1,955 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US-400 HWY over Verdigris River Trib?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3 m) and a deck 258 ft wide.

Who owns US-400 HWY over Verdigris River Trib?

It is owned by the State Highway Agency.