US Bridges

I35 HWY SB over Walnut Creek

Good

Franklin County, Kansas · 1.47 MI SW Miami Coln SB · Structure no. 999903500300441

Built
1957
68 years old, rebuilt 2002
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
11,016
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY SB over Walnut Creek is a concrete continuous slab carrying I35 HWY SB over Walnut Creek in Franklin County, Kansas. It was built in 1957 and reconstructed in 2002, so it is 68 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 11,016 vehicles a day, roughly 18% of them trucks, projected to reach 15,132 by 2044. The structure is 102 ft (31.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI35 HWY SB
CrossesWalnut Creek
Location1.47 MI SW Miami Coln SB
RouteInterstate 35
StateKansas
Coordinates38.7025, -95.08194
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length102 ft (31.2 m)
Longest span40 ft (12.2 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,016 (2023)
Projected traffic15,132 by 2044
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 HWY SB over Walnut Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2002.

What condition is I35 HWY SB over Walnut Creek 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 February 2024.

How much traffic does I35 HWY SB over Walnut Creek carry?

About 11,016 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I35 HWY SB over Walnut Creek?

The structure is 102 ft (31.2 m) long with a longest span of 40 ft (12.2 m) and a deck 52 ft wide.

Who owns I35 HWY SB over Walnut Creek?

It is owned by the State Highway Agency.