US Bridges

6th Street over I-70 HWY Nl-Sl

Fair

Shawnee County, Kansas · JCT 6th STREET/I-70 · Structure no. 999907000891901

Built
1993
32 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
396 ft
4 main spans
Daily traffic
2,911
2023 count
Owner
State
State Highway Agency

About this bridge

6th Street over I-70 HWY Nl-Sl is a steel continuous stringer/multi-beam or girder carrying 6th Street over I-70 HWY Nl-Sl in Shawnee County, Kansas. It was built in 1993, so it is 32 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,911 vehicles a day, projected to reach 4,326 by 2044. The structure is 396 ft (120.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries6th Street
CrossesI-70 HWY Nl-Sl
LocationJCT 6th STREET/I-70
RouteCity Street 5290
CountyShawnee County
StateKansas
Coordinates39.05806, -95.74583
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating85.1 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length396 ft (120.8 m)
Longest span120 ft (36.6 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,911 (2023)
Projected traffic4,326 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 6th Street over I-70 HWY Nl-Sl built?

It was built in 1993, making it 32 years old in 2025.

What condition is 6th Street over I-70 HWY Nl-Sl in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does 6th Street over I-70 HWY Nl-Sl carry?

About 2,911 vehicles per day (2023 count).

How long is 6th Street over I-70 HWY Nl-Sl?

The structure is 396 ft (120.8 m) long with a longest span of 120 ft (36.6 m) and a deck 49 ft wide.

Who owns 6th Street over I-70 HWY Nl-Sl?

It is owned by the State Highway Agency.