US Bridges

I-635 Highway over Speaker Road

Good

Wyandotte County, Kansas · 0.39 MI N Old K-32 · Structure no. 999963501050431

Built
1974
51 years old, rebuilt 2021
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
3 main spans
Daily traffic
38,530
2023 count
Owner
State
State Highway Agency

About this bridge

I-635 Highway over Speaker Road is a steel continuous stringer/multi-beam or girder carrying I-635 Highway over Speaker Road in Wyandotte County, Kansas. It was built in 1974 and reconstructed in 2021, so it is 51 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 38,530 vehicles a day, roughly 8% of them trucks, projected to reach 49,887 by 2044. The structure is 171 ft (52.2 m) long and 147 ft wide.

Location

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CarriesI-635 Highway
CrossesSpeaker Road
Location0.39 MI N Old K-32
RouteInterstate 635
CountyWyandotte County
StateKansas
Coordinates39.095, -94.68056
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length171 ft (52.2 m)
Longest span64 ft (19.5 m)
Deck width147 ft (44.7 m)
Roadway width141 ft (43 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,530 (2023)
Projected traffic49,887 by 2044
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I-635 Highway over Speaker Road built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2021.

What condition is I-635 Highway over Speaker Road 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 Highway over Speaker Road carry?

About 38,530 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-635 Highway over Speaker Road?

The structure is 171 ft (52.2 m) long with a longest span of 64 ft (19.5 m) and a deck 147 ft wide.

Who owns I-635 Highway over Speaker Road?

It is owned by the State Highway Agency.