US Bridges

K-7 HWY over Little Osage River Drg

Good

Bourbon County, Kansas · 12.27 MI N-Jct US-54 · Structure no. 999900700060691

Built
1992
33 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
63 ft
1 main span
Daily traffic
123
2023 count
Owner
State
State Highway Agency

About this bridge

K-7 HWY over Little Osage River Drg is a concrete slab carrying K-7 HWY over Little Osage River Drg in Bourbon County, Kansas. It was built in 1992, so it is 33 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 123 vehicles a day, roughly 7% of them trucks, projected to reach 125 by 2044. The structure is 63 ft (19.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesK-7 HWY
CrossesLittle Osage River Drg
Location12.27 MI N-Jct US-54
RouteState Highway 7
StateKansas
Coordinates37.99222, -94.82333
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67 US tons
Inventory rating40.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length63 ft (19.3 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2023)
Projected traffic125 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 K-7 HWY over Little Osage River Drg built?

It was built in 1992, making it 33 years old in 2025.

What condition is K-7 HWY over Little Osage River Drg 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 K-7 HWY over Little Osage River Drg carry?

About 123 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K-7 HWY over Little Osage River Drg?

The structure is 63 ft (19.3 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns K-7 HWY over Little Osage River Drg?

It is owned by the State Highway Agency.