US Bridges

I470 HWY WB over Gage Blvd

Fair

Shawnee County, Kansas · 0.81 MI E Fairlawn WB · Structure no. 999947000890621

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
175 ft
4 main spans
Daily traffic
19,050
2023 count
Owner
State
State Highway Agency

About this bridge

I470 HWY WB over Gage Blvd is a concrete continuous slab carrying I470 HWY WB over Gage Blvd 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 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 19,050 vehicles a day, roughly 7% of them trucks, projected to reach 21,471 by 2044. The structure is 175 ft (53.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI470 HWY WB
CrossesGage Blvd
Location0.81 MI E Fairlawn WB
RouteInterstate 470
StateKansas
Coordinates39.00917, -95.72972
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length175 ft (53.2 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,050 (2023)
Projected traffic21,471 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-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 I470 HWY WB over Gage Blvd built?

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

What condition is I470 HWY WB over Gage Blvd 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 I470 HWY WB over Gage Blvd carry?

About 19,050 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I470 HWY WB over Gage Blvd?

The structure is 175 ft (53.2 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns I470 HWY WB over Gage Blvd?

It is owned by the State Highway Agency.