US Bridges

I35 HWY (kta)el-Wl over Walnut River

Good

Butler County, Kansas · 0.40 MI SW K-177 · Structure no. 999903500081593

Built
1955
70 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
62 ft
3 main spans
Daily traffic
9,084
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I35 HWY (kta)el-Wl over Walnut River is a concrete culvert carrying I35 HWY (kta)el-Wl over Walnut River in Butler County, Kansas. It was built in 1955, so it is 70 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 9,084 vehicles a day, roughly 28% of them trucks, projected to reach 11,762 by 2044. The structure is 62 ft (18.8 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI35 HWY (kta)el-Wl
CrossesWalnut River
Location0.40 MI SW K-177
RouteInterstate 35
CountyButler County
StateKansas
Coordinates38.04361, -96.64417
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span20 ft (6.1 m)
Deck width120 ft (36.6 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,084 (2023)
Projected traffic11,762 by 2044
Trucks28%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 (kta)el-Wl over Walnut River built?

It was built in 1955, making it 70 years old in 2025.

What condition is I35 HWY (kta)el-Wl over Walnut River 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 2023.

How much traffic does I35 HWY (kta)el-Wl over Walnut River carry?

About 9,084 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I35 HWY (kta)el-Wl over Walnut River?

The structure is 62 ft (18.8 m) long with a longest span of 20 ft (6.1 m) and a deck 120 ft wide.

Who owns I35 HWY (kta)el-Wl over Walnut River?

It is owned by the State Toll Authority.