US Bridges

US36 HWY over Mill Creek Drainage

Fair

Washington County, Kansas · 2.41MI EEJCTK15 15W · Structure no. 999903601010071

Built
1936
89 years old, rebuilt 1999
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
2,657
2023 count
Owner
State
State Highway Agency

About this bridge

US36 HWY over Mill Creek Drainage is a concrete culvert carrying US36 HWY over Mill Creek Drainage in Washington County, Kansas. It was built in 1936 and reconstructed in 1999, so it is 89 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 2,657 vehicles a day, roughly 24% of them trucks, projected to reach 3,116 by 2044. The structure is 25 ft (7.6 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS36 HWY
CrossesMill Creek Drainage
Location2.41MI EEJCTK15 15W
RouteU.S. Route 36
StateKansas
Coordinates39.81306, -97.00861
Functional classRural Principal Arterial - Other

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width74 ft (22.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,657 (2023)
Projected traffic3,116 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 US36 HWY over Mill Creek Drainage built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1999.

What condition is US36 HWY over Mill 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 October 2023.

How much traffic does US36 HWY over Mill Creek Drainage carry?

About 2,657 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US36 HWY over Mill Creek Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 74 ft wide.

Who owns US36 HWY over Mill Creek Drainage?

It is owned by the State Highway Agency.