US Bridges

I70 HWY Nl-Sl over Quinton Street

Fair

Shawnee County, Kansas · 2.14 MI E Gage Blvd · Structure no. 999907000890251

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
19,008
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Quinton Street is a concrete culvert carrying I70 HWY Nl-Sl over Quinton Street in Shawnee County, Kansas. It was built in 1960, so it is 65 years old, older 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 5 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 19,008 vehicles a day, roughly 9% of them trucks, projected to reach 23,657 by 2044. The structure is 28 ft (8.5 m) long and 123 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI70 HWY Nl-Sl
CrossesQuinton Street
Location2.14 MI E Gage Blvd
RouteInterstate 70
StateKansas
Coordinates39.065, -95.68667
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width123 ft (37.4 m)
Roadway width108 ft (33 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,008 (2023)
Projected traffic23,657 by 2044
Trucks9%
Lanes on structure4
Traffic directionTwo-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 I70 HWY Nl-Sl over Quinton Street built?

It was built in 1960, making it 65 years old in 2025.

What condition is I70 HWY Nl-Sl over Quinton Street 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 I70 HWY Nl-Sl over Quinton Street carry?

About 19,008 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I70 HWY Nl-Sl over Quinton Street?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 123 ft wide.

Who owns I70 HWY Nl-Sl over Quinton Street?

It is owned by the State Highway Agency.