US Bridges

K7 HWY NB over K10 HWY Nl-Sl

Fair

Johnson County, Kansas · Sjct K7/K10 · Structure no. 999900700461921

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
288 ft
4 main spans
Daily traffic
18,000
2023 count
Owner
State
State Highway Agency

About this bridge

K7 HWY NB over K10 HWY Nl-Sl is a concrete continuous box beam or girders - multiple carrying K7 HWY NB over K10 HWY Nl-Sl in Johnson County, Kansas. It was built in 1974, so it is 51 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 18,000 vehicles a day, roughly 7% of them trucks, projected to reach 26,747 by 2044. The structure is 288 ft (87.9 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesK7 HWY NB
CrossesK10 HWY Nl-Sl
LocationSjct K7/K10
RouteState Highway 7
CountyJohnson County
StateKansas
Coordinates38.94111, -94.8525
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length288 ft (87.9 m)
Longest span87 ft (26.5 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2023)
Projected traffic26,747 by 2044
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 K7 HWY NB over K10 HWY Nl-Sl built?

It was built in 1974, making it 51 years old in 2025.

What condition is K7 HWY NB over K10 HWY Nl-Sl 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 K7 HWY NB over K10 HWY Nl-Sl carry?

About 18,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K7 HWY NB over K10 HWY Nl-Sl?

The structure is 288 ft (87.9 m) long with a longest span of 87 ft (26.5 m) and a deck 50 ft wide.

Who owns K7 HWY NB over K10 HWY Nl-Sl?

It is owned by the State Highway Agency.