US Bridges

I135 HWY NB over 85th Street

Good

Sedgwick County, Kansas · 5.44 MI N I-235 · Structure no. 999913500870481

Built
1969
56 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
202 ft
4 main spans
Daily traffic
12,400
2023 count
Owner
State
State Highway Agency

About this bridge

I135 HWY NB over 85th Street is a concrete continuous slab carrying I135 HWY NB over 85th Street in Sedgwick County, Kansas. It was built in 1969, so it is 56 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 12,400 vehicles a day, roughly 18% of them trucks, projected to reach 15,130 by 2044. The structure is 202 ft (61.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI135 HWY NB
Crosses85th Street
Location5.44 MI N I-235
RouteInterstate 135
StateKansas
Coordinates37.83889, -97.3275
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.
Last inspectionJanuary 2025
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 alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length202 ft (61.7 m)
Longest span57 ft (17.4 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2023)
Projected traffic15,130 by 2044
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 I135 HWY NB over 85th Street built?

It was built in 1969, making it 56 years old in 2025.

What condition is I135 HWY NB over 85th Street 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 I135 HWY NB over 85th Street carry?

About 12,400 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I135 HWY NB over 85th Street?

The structure is 202 ft (61.7 m) long with a longest span of 57 ft (17.4 m) and a deck 50 ft wide.

Who owns I135 HWY NB over 85th Street?

It is owned by the State Highway Agency.