US Bridges

US54 HWY (US69/K7) over Marmaton River Overflow

Good

Bourbon County, Kansas · 0.57 MI N Sjct US69 WB · Structure no. 999905400060881

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
268 ft
5 main spans
Daily traffic
4,910
2023 count
Owner
State
State Highway Agency

About this bridge

US54 HWY (US69/K7) over Marmaton River Overflow is a concrete continuous slab carrying US54 HWY (US69/K7) over Marmaton River Overflow in Bourbon County, Kansas. It was built in 2003, so it is 22 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 4,910 vehicles a day, roughly 18% of them trucks, projected to reach 5,991 by 2044. The structure is 268 ft (81.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS54 HWY (US69/K7)
CrossesMarmaton River Overflow
Location0.57 MI N Sjct US69 WB
RouteU.S. Route 54
StateKansas
Coordinates37.85, -94.7025
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length268 ft (81.8 m)
Longest span59 ft (18 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,910 (2023)
Projected traffic5,991 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-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 US54 HWY (US69/K7) over Marmaton River Overflow built?

It was built in 2003, making it 22 years old in 2025.

What condition is US54 HWY (US69/K7) over Marmaton River Overflow 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 February 2023.

How much traffic does US54 HWY (US69/K7) over Marmaton River Overflow carry?

About 4,910 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US54 HWY (US69/K7) over Marmaton River Overflow?

The structure is 268 ft (81.8 m) long with a longest span of 59 ft (18 m) and a deck 39 ft wide.

Who owns US54 HWY (US69/K7) over Marmaton River Overflow?

It is owned by the State Highway Agency.