US Bridges

86th ST over I70 HWY Nl-Sl

Good

Wyandotte County, Kansas · 1.72 MI E I435 · Structure no. 999907001052721

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
259 ft
4 main spans
Daily traffic
1,413
2023 count
Owner
State
State Highway Agency

About this bridge

86th ST over I70 HWY Nl-Sl is a prestressed concrete continuous stringer/multi-beam or girder carrying 86th ST over I70 HWY Nl-Sl in Wyandotte County, Kansas. It was built in 1986, so it is 39 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 1,413 vehicles a day, projected to reach 2,059 by 2044. The structure is 259 ft (78.9 m) long and 45 ft wide.

Carries86th ST
CrossesI70 HWY Nl-Sl
Location1.72 MI E I435
RouteCity Street 2635
StateKansas
Coordinates39.10472, -94.77889
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating91.1 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span79 ft (24.1 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,413 (2023)
Projected traffic2,059 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 86th ST over I70 HWY Nl-Sl built?

It was built in 1986, making it 39 years old in 2025.

What condition is 86th ST over I70 HWY Nl-Sl 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 June 2023.

How much traffic does 86th ST over I70 HWY Nl-Sl carry?

About 1,413 vehicles per day (2023 count).

How long is 86th ST over I70 HWY Nl-Sl?

The structure is 259 ft (78.9 m) long with a longest span of 79 ft (24.1 m) and a deck 45 ft wide.

Who owns 86th ST over I70 HWY Nl-Sl?

It is owned by the State Highway Agency.