US Bridges

US-75 HWY NB over US56 HWY

Good

Osage County, Kansas · JCT US-56 NB · Structure no. 999907500700421

Built
1972
53 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
4 main spans
Daily traffic
3,073
2023 count
Owner
State
State Highway Agency

About this bridge

US-75 HWY NB over US56 HWY is a steel continuous stringer/multi-beam or girder carrying US-75 HWY NB over US56 HWY in Osage County, Kansas. It was built in 1972, so it is 53 years old, older 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 3,073 vehicles a day, roughly 17% of them trucks, projected to reach 3,750 by 2044. The structure is 231 ft (70.5 m) long and 42 ft wide.

CarriesUS-75 HWY NB
CrossesUS56 HWY
LocationJCT US-56 NB
RouteU.S. Route 75
StateKansas
Coordinates38.7825, -95.68278
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 inspectionJune 2024
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 alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length231 ft (70.5 m)
Longest span66 ft (20.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,073 (2023)
Projected traffic3,750 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 NB over US56 HWY built?

It was built in 1972, making it 53 years old in 2025.

What condition is US-75 HWY NB over US56 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 June 2024.

How much traffic does US-75 HWY NB over US56 HWY carry?

About 3,073 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-75 HWY NB over US56 HWY?

The structure is 231 ft (70.5 m) long with a longest span of 66 ft (20.1 m) and a deck 42 ft wide.

Who owns US-75 HWY NB over US56 HWY?

It is owned by the State Highway Agency.