US Bridges

I-635 SB to I-70 E over I-635 NB Highway

Good

Wyandotte County, Kansas · I-635 / I-70 Interchange · Structure no. 999963501052991

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
354 ft
3 main spans
Daily traffic
6,670
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-635 SB to I-70 E over I-635 NB Highway is a steel continuous stringer/multi-beam or girder carrying I-635 SB to I-70 E over I-635 NB 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 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 6,670 vehicles a day. The structure is 354 ft (108 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-635 SB to I-70 E
CrossesI-635 NB Highway
LocationI-635 / I-70 Interchange
RouteState Highway 21
CountyWyandotte County
StateKansas
Coordinates39.10389, -94.67778
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length354 ft (108 m)
Longest span144 ft (44 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck76 ft (23.1 m)

Traffic and service

Average daily traffic6,670 (2023)
Projected traffic—
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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-635 SB to I-70 E over I-635 NB Highway built?

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

What condition is I-635 SB to I-70 E over I-635 NB Highway 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 2023.

How much traffic does I-635 SB to I-70 E over I-635 NB Highway carry?

About 6,670 vehicles per day (2023 count).

How long is I-635 SB to I-70 E over I-635 NB Highway?

The structure is 354 ft (108 m) long with a longest span of 144 ft (44 m) and a deck 30 ft wide.

Who owns I-635 SB to I-70 E over I-635 NB Highway?

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