US Bridges

US75 Connector over I470 HWY

Fair

Shawnee County, Kansas · JCT I470/TOPEKA Connector · Structure no. 999947000890971

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
237 ft
4 main spans
Daily traffic
10,140
2023 count
Owner
State
State Highway Agency

About this bridge

US75 Connector over I470 HWY is a concrete continuous slab carrying US75 Connector over I470 HWY 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 10,140 vehicles a day. The structure is 237 ft (72.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS75 Connector
CrossesI470 HWY
LocationJCT I470/TOPEKA Connector
RouteState Highway 43
CountyShawnee County
StateKansas
Coordinates38.99472, -95.6925
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length237 ft (72.1 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,140 (2023)
Projected traffic—
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 US75 Connector over I470 HWY built?

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

What condition is US75 Connector over I470 HWY 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 July 2024.

How much traffic does US75 Connector over I470 HWY carry?

About 10,140 vehicles per day (2023 count).

How long is US75 Connector over I470 HWY?

The structure is 237 ft (72.1 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns US75 Connector over I470 HWY?

It is owned by the State Highway Agency.