US Bridges

I-70 WB Highway over I-635 SB Highway

Fair

Wyandotte County, Kansas · I-70 / I-635 Interchange · Structure no. 999907001053033

Built
2004
21 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
362 ft
3 main spans
Daily traffic
44,100
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-70 WB Highway over I-635 SB Highway is a steel continuous stringer/multi-beam or girder carrying I-70 WB Highway over I-635 SB Highway in Wyandotte County, Kansas. It was built in 2004, so it is 21 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 44,100 vehicles a day, roughly 9% of them trucks, projected to reach 52,755 by 2044. The structure is 362 ft (110.3 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-70 WB Highway
CrossesI-635 SB Highway
LocationI-70 / I-635 Interchange
RouteInterstate 70
StateKansas
Coordinates39.10556, -94.68056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating65.6 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length362 ft (110.3 m)
Longest span138 ft (42 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck54 ft (16.5 m)

Traffic and service

Average daily traffic44,100 (2023)
Projected traffic52,755 by 2044
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
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 I-70 WB Highway over I-635 SB Highway built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-70 WB Highway over I-635 SB Highway 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 2023.

How much traffic does I-70 WB Highway over I-635 SB Highway carry?

About 44,100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-70 WB Highway over I-635 SB Highway?

The structure is 362 ft (110.3 m) long with a longest span of 138 ft (42 m) and a deck 59 ft wide.

Who owns I-70 WB Highway over I-635 SB Highway?

It is owned by the State Toll Authority and maintained by the State Highway Agency.