US Bridges

I435 HWY NB over Little Mill Creek

Good

Johnson County, Kansas · 0.28 MI N Renner RD&I435 · Structure no. 999943500462311

Built
1982
43 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
3 main spans
Daily traffic
41,050
2023 count
Owner
State
State Highway Agency

About this bridge

I435 HWY NB over Little Mill Creek is a steel continuous stringer/multi-beam or girder carrying I435 HWY NB over Little Mill Creek in Johnson County, Kansas. It was built in 1982, so it is 43 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 41,050 vehicles a day, roughly 8% of them trucks, projected to reach 58,650 by 2044. The structure is 283 ft (86.3 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI435 HWY NB
CrossesLittle Mill Creek
Location0.28 MI N Renner RD&I435
RouteInterstate 435
StateKansas
Coordinates38.99583, -94.78056
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length283 ft (86.3 m)
Longest span110 ft (33.5 m)
Deck width71 ft (21.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,050 (2023)
Projected traffic58,650 by 2044
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 NB over Little Mill Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is I435 HWY NB over Little Mill Creek 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 January 2025.

How much traffic does I435 HWY NB over Little Mill Creek carry?

About 41,050 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I435 HWY NB over Little Mill Creek?

The structure is 283 ft (86.3 m) long with a longest span of 110 ft (33.5 m) and a deck 71 ft wide.

Who owns I435 HWY NB over Little Mill Creek?

It is owned by the State Highway Agency.