US Bridges

US75/US400 Hwh NB over Union Pacific Railroad

Good

Montgomery County, Kansas · 1.73 MI S Wilson Coln · Structure no. 999907500630751

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
218 ft
3 main spans
Daily traffic
3,442
2023 count
Owner
State
State Highway Agency

About this bridge

US75/US400 Hwh NB over Union Pacific Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying US75/US400 Hwh NB over Union Pacific Railroad 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 3,442 vehicles a day, projected to reach 4,200 by 2044. The structure is 218 ft (66.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS75/US400 Hwh NB
CrossesUnion Pacific Railroad
Location1.73 MI S Wilson Coln
RouteU.S. Route 75
CountyMontgomery County
StateKansas
Coordinates37.36139, -95.70111
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span73 ft (22.3 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,442 (2023)
Projected traffic4,200 by 2044
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 US75/US400 Hwh NB over Union Pacific Railroad built?

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

What condition is US75/US400 Hwh NB over Union Pacific Railroad 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 US75/US400 Hwh NB over Union Pacific Railroad carry?

About 3,442 vehicles per day (2023 count).

How long is US75/US400 Hwh NB over Union Pacific Railroad?

The structure is 218 ft (66.4 m) long with a longest span of 73 ft (22.3 m) and a deck 52 ft wide.

Who owns US75/US400 Hwh NB over Union Pacific Railroad?

It is owned by the State Highway Agency.