US Bridges

Johnson Dr. over Mill Creek Trib.

Good

Johnson County, Kansas · 0.3 MI W of I-435 · Structure no. 426350462712074

Built
1987
38 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
7,270
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Johnson Dr. over Mill Creek Trib. is a concrete culvert carrying Johnson Dr. over Mill Creek Trib. in Johnson 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 7,270 vehicles a day, roughly 5% of them trucks, projected to reach 8,700 by 2044. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJohnson Dr.
CrossesMill Creek Trib.
Location0.3 MI W of I-435
RouteCity Street 2712
StateKansas
Coordinates39.02232, -94.7913
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic7,270 (2017)
Projected traffic8,700 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Johnson Dr. over Mill Creek Trib. built?

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

What condition is Johnson Dr. over Mill Creek Trib. 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 March 2024.

How much traffic does Johnson Dr. over Mill Creek Trib. carry?

About 7,270 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Johnson Dr. over Mill Creek Trib.?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m).

Who owns Johnson Dr. over Mill Creek Trib.?

It is owned by the City or Municipal Highway Agency.