US Bridges

K-65 HWY over Little Osage Drainage

Good

Bourbon County, Kansas · .96 MI SW K-31 · Structure no. 999906500060891

Built
2004
21 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
123
2023 count
Owner
State
State Highway Agency

About this bridge

K-65 HWY over Little Osage Drainage is a concrete culvert carrying K-65 HWY over Little Osage Drainage in Bourbon County, Kansas. It was built in 2004, so it is 21 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 14% of them trucks, projected to reach 125 by 2044. The structure is 33 ft (10 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesK-65 HWY
CrossesLittle Osage Drainage
Location.96 MI SW K-31
RouteState Highway 65
CountyBourbon County
StateKansas
Coordinates38.00806, -94.89083
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width64 ft (19.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2023)
Projected traffic125 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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-65 HWY over Little Osage Drainage built?

It was built in 2004, making it 21 years old in 2025.

What condition is K-65 HWY over Little Osage Drainage 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-65 HWY over Little Osage Drainage carry?

About 123 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is K-65 HWY over Little Osage Drainage?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m) and a deck 64 ft wide.

Who owns K-65 HWY over Little Osage Drainage?

It is owned by the State Highway Agency.