US Bridges

SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75

Fair

Shawnee County, Kansas · E JCT I70-75 S End W Gate · Structure no. 999907500891621

Built
1977
48 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
409 ft
5 main spans
Daily traffic
7,600
2023 count
Owner
State
State Highway Agency

About this bridge

SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75 is a steel continuous stringer/multi-beam or girder carrying SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75 in Shawnee County, Kansas. It was built in 1977, so it is 48 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 7,600 vehicles a day. The structure is 409 ft (124.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB U75 to Ebnd I70
CrossesN-S Lns I70 N Bnd US75
LocationE JCT I70-75 S End W Gate
RouteState Highway 18
StateKansas
Coordinates39.06667, -95.73139
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating72.8 US tons
Inventory rating43 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length409 ft (124.8 m)
Longest span93 ft (28.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75 built?

It was built in 1977, making it 48 years old in 2025.

What condition is SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75 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 January 2025.

How much traffic does SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75 carry?

About 7,600 vehicles per day (2023 count).

How long is SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75?

The structure is 409 ft (124.8 m) long with a longest span of 93 ft (28.4 m) and a deck 38 ft wide.

Who owns SB U75 to Ebnd I70 over N-S Lns I70 N Bnd US75?

It is owned by the State Highway Agency.