US Bridges

I-470 EB & Kta Rp over Kta HWY

Good

Shawnee County, Kansas · JCT KTA/I470 · Structure no. 999947000891353

Built
1956
69 years old, rebuilt 1987
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
189 ft
4 main spans
Daily traffic
2,854
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-470 EB & Kta Rp over Kta HWY is a steel continuous stringer/multi-beam or girder carrying I-470 EB & Kta Rp over Kta HWY in Shawnee County, Kansas. It was built in 1956 and reconstructed in 1987, so it is 69 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 2,854 vehicles a day, roughly 10% of them trucks, projected to reach 3,217 by 2044. The structure is 189 ft (57.5 m) long and 41 ft wide.

Location

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CarriesI-470 EB & Kta Rp
CrossesKta HWY
LocationJCT KTA/I470
RouteInterstate 470
CountyShawnee County
StateKansas
Coordinates38.99139, -95.69222
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.1 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length189 ft (57.5 m)
Longest span61 ft (18.6 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,854 (2023)
Projected traffic3,217 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-470 EB & Kta Rp over Kta HWY built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is I-470 EB & Kta Rp over Kta HWY 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 2024.

How much traffic does I-470 EB & Kta Rp over Kta HWY carry?

About 2,854 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I-470 EB & Kta Rp over Kta HWY?

The structure is 189 ft (57.5 m) long with a longest span of 61 ft (18.6 m) and a deck 41 ft wide.

Who owns I-470 EB & Kta Rp over Kta HWY?

It is owned by the State Toll Authority.