US Bridges

US-400 HWY over US-169 HWY

Good

Montgomery County, Kansas · US169/US400 JCT · Structure no. 999940000630841

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
3 main spans
Daily traffic
3,817
2023 count
Owner
State
State Highway Agency

About this bridge

US-400 HWY over US-169 HWY is a steel continuous stringer/multi-beam or girder carrying US-400 HWY over US-169 HWY in Montgomery 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 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 3,817 vehicles a day, roughly 24% of them trucks, projected to reach 4,657 by 2044. The structure is 258 ft (78.6 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-400 HWY
CrossesUS-169 HWY
LocationUS169/US400 JCT
RouteU.S. Route 400
StateKansas
Coordinates37.34667, -95.53056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span123 ft (37.5 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,817 (2023)
Projected traffic4,657 by 2044
Trucks24%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 US-169 HWY built?

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

What condition is US-400 HWY over US-169 HWY 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 US-169 HWY carry?

About 3,817 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US-400 HWY over US-169 HWY?

The structure is 258 ft (78.6 m) long with a longest span of 123 ft (37.5 m) and a deck 56 ft wide.

Who owns US-400 HWY over US-169 HWY?

It is owned by the State Highway Agency.