US Bridges

I35 HWY Wl-El over Olathe Lake Drainage

Good

Johnson County, Kansas · 12.69 MI NE MI Coln · Structure no. 999903500460181

Built
1959
66 years old, rebuilt 2010
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
24,650
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY Wl-El over Olathe Lake Drainage is a concrete culvert carrying I35 HWY Wl-El over Olathe Lake Drainage in Johnson County, Kansas. It was built in 1959 and reconstructed in 2010, so it is 66 years old, older 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 24,650 vehicles a day, roughly 28% of them trucks, projected to reach 33,200 by 2044. The structure is 42 ft (12.8 m) long and 340 ft wide.

Location

Open in Google Maps
CarriesI35 HWY Wl-El
CrossesOlathe Lake Drainage
Location12.69 MI NE MI Coln
RouteInterstate 35
CountyJohnson County
StateKansas
Coordinates38.845, -94.82806
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width340 ft (103.6 m)
Roadway width279 ft (84.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,650 (2023)
Projected traffic33,200 by 2044
Trucks28%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 I35 HWY Wl-El over Olathe Lake Drainage built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2010.

What condition is I35 HWY Wl-El over Olathe Lake Drainage 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 I35 HWY Wl-El over Olathe Lake Drainage carry?

About 24,650 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I35 HWY Wl-El over Olathe Lake Drainage?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 340 ft wide.

Who owns I35 HWY Wl-El over Olathe Lake Drainage?

It is owned by the State Highway Agency.