US Bridges

K99 HWY over Willow Creek Drainage

Good

Greenwood County, Kansas · 6.63 MI S K-58 · Structure no. 999909900370411

Built
1932
93 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
995
2023 count
Owner
State
State Highway Agency

About this bridge

K99 HWY over Willow Creek Drainage is a concrete culvert carrying K99 HWY over Willow Creek Drainage in Greenwood County, Kansas. It was built in 1932, so it is 93 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 995 vehicles a day, roughly 24% of them trucks, projected to reach 1,214 by 2044. The structure is 26 ft (7.8 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesK99 HWY
CrossesWillow Creek Drainage
Location6.63 MI S K-58
RouteState Highway 99
CountyGreenwood County
StateKansas
Coordinates38.04556, -96.13944
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic995 (2023)
Projected traffic1,214 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K99 HWY over Willow Creek Drainage built?

It was built in 1932, making it 93 years old in 2025.

What condition is K99 HWY over Willow Creek 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 K99 HWY over Willow Creek Drainage carry?

About 995 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is K99 HWY over Willow Creek Drainage?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 32 ft wide.

Who owns K99 HWY over Willow Creek Drainage?

It is owned by the State Highway Agency.