US Bridges

K-7 HWY over Drainage Channel

Fair

Johnson County, Kansas · JCT K7/SANTA Fe · Structure no. 999900700463231

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
31,000
2023 count
Owner
State
State Highway Agency

About this bridge

K-7 HWY over Drainage Channel is a concrete culvert carrying K-7 HWY over Drainage Channel in Johnson County, Kansas. It was built in 1995, so it is 30 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 5 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 31,000 vehicles a day, roughly 9% of them trucks, projected to reach 44,291 by 2044. The structure is 22 ft (6.7 m) long and 730 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesK-7 HWY
CrossesDrainage Channel
LocationJCT K7/SANTA Fe
RouteState Highway 7
CountyJohnson County
StateKansas
Coordinates38.88389, -94.83444
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating32.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width730 ft (222.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2023)
Projected traffic44,291 by 2044
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 K-7 HWY over Drainage Channel built?

It was built in 1995, making it 30 years old in 2025.

What condition is K-7 HWY over Drainage Channel 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 July 2024.

How much traffic does K-7 HWY over Drainage Channel carry?

About 31,000 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is K-7 HWY over Drainage Channel?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 730 ft wide.

Who owns K-7 HWY over Drainage Channel?

It is owned by the State Highway Agency.