US Bridges

US-75 HWY over US-400 HWY

Good

Wilson County, Kansas · 1.97 MI N Montgomery Coln · Structure no. 999907501030501

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
3,088
2023 count
Owner
State
State Highway Agency

About this bridge

US-75 HWY over US-400 HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying US-75 HWY over US-400 HWY in Wilson County, Kansas. It was built in 1999, so it is 26 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 3,088 vehicles a day, roughly 8% of them trucks, projected to reach 3,150 by 2044. The structure is 256 ft (77.9 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-75 HWY
CrossesUS-400 HWY
Location1.97 MI N Montgomery Coln
RouteU.S. Route 75
StateKansas
Coordinates37.41333, -95.71028
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating99 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length256 ft (77.9 m)
Longest span125 ft (38.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,088 (2023)
Projected traffic3,150 by 2044
Trucks8%
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-75 HWY over US-400 HWY built?

It was built in 1999, making it 26 years old in 2025.

What condition is US-75 HWY over US-400 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-75 HWY over US-400 HWY carry?

About 3,088 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US-75 HWY over US-400 HWY?

The structure is 256 ft (77.9 m) long with a longest span of 125 ft (38.1 m) and a deck 51 ft wide.

Who owns US-75 HWY over US-400 HWY?

It is owned by the State Highway Agency.