US Bridges

I35 US50 HWY SB over Spoon Creek RD

Good

Johnson County, Kansas · 2.07 MI NE MI Coln SB · Structure no. 999903500460021

Built
1959
66 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
13,500
2023 count
Owner
State
State Highway Agency

About this bridge

I35 US50 HWY SB over Spoon Creek RD is a concrete continuous slab carrying I35 US50 HWY SB over Spoon Creek RD in Johnson County, Kansas. It was built in 1959, so it is 66 years old, older 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 13,500 vehicles a day, roughly 12% of them trucks, projected to reach 18,544 by 2044. The structure is 127 ft (38.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI35 US50 HWY SB
CrossesSpoon Creek RD
Location2.07 MI NE MI Coln SB
RouteInterstate 35
StateKansas
Coordinates38.75083, -94.98278
Functional classRural 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length127 ft (38.8 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2023)
Projected traffic18,544 by 2044
Trucks12%
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 I35 US50 HWY SB over Spoon Creek RD built?

It was built in 1959, making it 66 years old in 2025.

What condition is I35 US50 HWY SB over Spoon Creek RD 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 July 2024.

How much traffic does I35 US50 HWY SB over Spoon Creek RD carry?

About 13,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I35 US50 HWY SB over Spoon Creek RD?

The structure is 127 ft (38.8 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns I35 US50 HWY SB over Spoon Creek RD?

It is owned by the State Highway Agency.