US Bridges

Lamar Ave over I-435 HWY

Good

Johnson County, Kansas · 0.52 MI E US-69 · Structure no. 999943500463021

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
295 ft
4 main spans
Daily traffic
5,758
2023 count
Owner
State
State Highway Agency

About this bridge

Lamar Ave over I-435 HWY is a steel continuous stringer/multi-beam or girder carrying Lamar Ave over I-435 HWY in Johnson County, Kansas. It was built in 1996, so it is 29 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 5,758 vehicles a day, projected to reach 5,874 by 2044. The structure is 295 ft (89.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLamar Ave
CrossesI-435 HWY
Location0.52 MI E US-69
RouteCity Street 2975
CountyJohnson County
StateKansas
Coordinates38.93056, -94.65806
Functional classUrban Collector

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length295 ft (89.8 m)
Longest span85 ft (25.9 m)
Deck width50 ft (15.1 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,758 (2023)
Projected traffic5,874 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Lamar Ave over I-435 HWY built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lamar Ave over I-435 HWY 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 Lamar Ave over I-435 HWY carry?

About 5,758 vehicles per day (2023 count).

How long is Lamar Ave over I-435 HWY?

The structure is 295 ft (89.8 m) long with a longest span of 85 ft (25.9 m) and a deck 50 ft wide.

Who owns Lamar Ave over I-435 HWY?

It is owned by the State Highway Agency.