US Bridges

I435 HWY EB over Lackman Road

Good

Johnson County, Kansas · 0.78 MI W JCT I435/I35 · Structure no. 999943500464321

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
245 ft
1 main span
Daily traffic
59,000
2023 count
Owner
State
State Highway Agency

About this bridge

I435 HWY EB over Lackman Road is a steel stringer/multi-beam or girder carrying I435 HWY EB over Lackman Road in Johnson County, Kansas. It was built in 2016, so it is 9 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 59,000 vehicles a day, roughly 6% of them trucks, projected to reach 73,430 by 2044. The structure is 245 ft (74.7 m) long and 86 ft wide.

CarriesI435 HWY EB
CrossesLackman Road
Location0.78 MI W JCT I435/I35
RouteInterstate 435
StateKansas
Coordinates38.94222, -94.76056
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length245 ft (74.7 m)
Longest span242 ft (73.8 m)
Deck width86 ft (26.3 m)
Roadway width84 ft (25.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,000 (2023)
Projected traffic73,430 by 2044
Trucks6%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I435 HWY EB over Lackman Road built?

It was built in 2016, making it 9 years old in 2025.

What condition is I435 HWY EB over Lackman Road 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 July 2024.

How much traffic does I435 HWY EB over Lackman Road carry?

About 59,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I435 HWY EB over Lackman Road?

The structure is 245 ft (74.7 m) long with a longest span of 242 ft (73.8 m) and a deck 86 ft wide.

Who owns I435 HWY EB over Lackman Road?

It is owned by the State Highway Agency.