US Bridges

US36 HWY over Iowa Creek

Fair

Washington County, Kansas · 3.79 MI E K22 · Structure no. 999903601010021

Built
1939
86 years old, rebuilt 1994
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
1,238
2023 count
Owner
State
State Highway Agency

About this bridge

US36 HWY over Iowa Creek is a concrete culvert carrying US36 HWY over Iowa Creek in Washington County, Kansas. It was built in 1939 and reconstructed in 1994, so it is 86 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 1,238 vehicles a day, roughly 25% of them trucks, projected to reach 1,263 by 2044. The structure is 41 ft (12.5 m) long and 118 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS36 HWY
CrossesIowa Creek
Location3.79 MI E K22
RouteU.S. Route 36
CountyWashington County
StateKansas
Coordinates39.81361, -97.22306
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating80 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span14 ft (4.3 m)
Deck width118 ft (35.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,238 (2023)
Projected traffic1,263 by 2044
Trucks25%
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 Iowa Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1994.

What condition is US36 HWY over Iowa 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 October 2023.

How much traffic does US36 HWY over Iowa Creek carry?

About 1,238 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is US36 HWY over Iowa Creek?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m) and a deck 118 ft wide.

Who owns US36 HWY over Iowa Creek?

It is owned by the State Highway Agency.