US Bridges

K22 HWY over Mill Creek

Fair

Washington County, Kansas · 2.92 MI N US36 · Structure no. 999902201010281

Built
1949
76 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
3 main spans
Daily traffic
232
2023 count
Owner
State
State Highway Agency

About this bridge

K22 HWY over Mill Creek is a steel continuous stringer/multi-beam or girder carrying K22 HWY over Mill Creek in Washington County, Kansas. It was built in 1949, so it is 76 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 5 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 232 vehicles a day, roughly 25% of them trucks, projected to reach 237 by 2044. The structure is 252 ft (76.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesK22 HWY
CrossesMill Creek
Location2.92 MI N US36
RouteState Highway 22
StateKansas
Coordinates39.85583, -97.29417
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length252 ft (76.9 m)
Longest span93 ft (28.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2023)
Projected traffic237 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 K22 HWY over Mill Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is K22 HWY over Mill Creek 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 December 2024.

How much traffic does K22 HWY over Mill Creek carry?

About 232 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is K22 HWY over Mill Creek?

The structure is 252 ft (76.9 m) long with a longest span of 93 ft (28.3 m) and a deck 28 ft wide.

Who owns K22 HWY over Mill Creek?

It is owned by the State Highway Agency.