US Bridges

US56 HWY over Drainage Channel

Good

Marion County, Kansas · 8.98 MI E Ejct K15 · Structure no. 999905600570441

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,923
2023 count
Owner
State
State Highway Agency

About this bridge

US56 HWY over Drainage Channel is a concrete culvert carrying US56 HWY over Drainage Channel in Marion County, Kansas. It was built in 1987, so it is 38 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,923 vehicles a day, roughly 49% of them trucks, projected to reach 3,711 by 2044. The structure is 21 ft (6.3 m) long and 86 ft wide.

Location

Open in Google Maps
CarriesUS56 HWY
CrossesDrainage Channel
Location8.98 MI E Ejct K15
RouteU.S. Route 56
CountyMarion County
StateKansas
Coordinates38.36278, -97.06306
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width86 ft (26.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,923 (2023)
Projected traffic3,711 by 2044
Trucks49%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Drainage Channel built?

It was built in 1987, making it 38 years old in 2025.

What condition is US56 HWY over Drainage Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does US56 HWY over Drainage Channel carry?

About 2,923 vehicles per day (2023 count), of which roughly 49% are trucks.

How long is US56 HWY over Drainage Channel?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 86 ft wide.

Who owns US56 HWY over Drainage Channel?

It is owned by the State Highway Agency.