US Bridges

US56 HWY over Clark Creek Drainage

Fair

Morris County, Kansas · 1.74 MI E US77 · Structure no. 999905600640011

Built
1931
94 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
1,416
2023 count
Owner
State
State Highway Agency

About this bridge

US56 HWY over Clark Creek Drainage is a concrete culvert carrying US56 HWY over Clark Creek Drainage in Morris County, Kansas. It was built in 1931, so it is 94 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 1,416 vehicles a day, roughly 8% of them trucks, projected to reach 1,503 by 2044. The structure is 22 ft (6.8 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS56 HWY
CrossesClark Creek Drainage
Location1.74 MI E US77
RouteU.S. Route 56
StateKansas
Coordinates38.66722, -96.89944
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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating45.1 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length22 ft (6.8 m)
Longest span7 ft (2.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,416 (2023)
Projected traffic1,503 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 US56 HWY over Clark Creek Drainage built?

It was built in 1931, making it 94 years old in 2025.

What condition is US56 HWY over Clark 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 US56 HWY over Clark Creek Drainage carry?

About 1,416 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US56 HWY over Clark Creek Drainage?

The structure is 22 ft (6.8 m) long with a longest span of 7 ft (2.1 m) and a deck 32 ft wide.

Who owns US56 HWY over Clark Creek Drainage?

It is owned by the State Highway Agency.