US Bridges

US56 HWY over Clear Creek

Fair

Marion County, Kansas · 7.44 MI N US77 Sjct · Structure no. 999905600570471

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
2,156
2023 count
Owner
State
State Highway Agency

About this bridge

US56 HWY over Clear Creek is a concrete continuous slab carrying US56 HWY over Clear Creek in Marion County, Kansas. It was built in 1986, so it is 39 years old, younger 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 2,156 vehicles a day, roughly 22% of them trucks, projected to reach 2,631 by 2044. The structure is 133 ft (40.4 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesUS56 HWY
CrossesClear Creek
Location7.44 MI N US77 Sjct
RouteU.S. Route 56
CountyMarion County
StateKansas
Coordinates38.46806, -96.9575
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span52 ft (15.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,156 (2023)
Projected traffic2,631 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 US56 HWY over Clear Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US56 HWY over Clear 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 US56 HWY over Clear Creek carry?

About 2,156 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US56 HWY over Clear Creek?

The structure is 133 ft (40.4 m) long with a longest span of 52 ft (15.8 m) and a deck 46 ft wide.

Who owns US56 HWY over Clear Creek?

It is owned by the State Highway Agency.