US Bridges

K99 HWY over Clear Creek Drainage

Fair

Pottawatomie County, Kansas · 3.51 MI N Njct K16 · Structure no. 999909900750401

Built
1932
93 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,492
2023 count
Owner
State
State Highway Agency

About this bridge

K99 HWY over Clear Creek Drainage is a concrete culvert carrying K99 HWY over Clear Creek Drainage in Pottawatomie 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,492 vehicles a day, roughly 30% of them trucks, projected to reach 1,715 by 2044. The structure is 21 ft (6.3 m) long and 34 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesK99 HWY
CrossesClear Creek Drainage
Location3.51 MI N Njct K16
RouteState Highway 99
CountyPottawatomie County
StateKansas
Coordinates39.55, -96.40694
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,492 (2023)
Projected traffic1,715 by 2044
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 K99 HWY over Clear Creek Drainage built?

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

What condition is K99 HWY over Clear Creek Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does K99 HWY over Clear Creek Drainage carry?

About 1,492 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is K99 HWY over Clear Creek Drainage?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns K99 HWY over Clear Creek Drainage?

It is owned by the State Highway Agency.