US Bridges

I-35 HWY SB (kta) over W. Br. Walnut River Drg.

Good

Butler County, Kansas · 3.94 MI NE K-254 · Structure no. 999903500080983

Built
1956
69 years old, rebuilt 1985
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
9,311
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over W. Br. Walnut River Drg. is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over W. Br. Walnut River Drg. in Butler County, Kansas. It was built in 1956 and reconstructed in 1985, so it is 69 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 9,311 vehicles a day, roughly 27% of them trucks, projected to reach 12,296 by 2044. The structure is 176 ft (53.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-35 HWY SB (kta)
CrossesW. Br. Walnut River Drg.
Location3.94 MI NE K-254
RouteInterstate 35
CountyButler County
StateKansas
Coordinates37.86056, -96.85944
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.5 m)
Longest span67 ft (20.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,311 (2023)
Projected traffic12,296 by 2044
Trucks27%
Lanes on structure2
Traffic directionOne-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 I-35 HWY SB (kta) over W. Br. Walnut River Drg. built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is I-35 HWY SB (kta) over W. Br. Walnut River Drg. 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 I-35 HWY SB (kta) over W. Br. Walnut River Drg. carry?

About 9,311 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-35 HWY SB (kta) over W. Br. Walnut River Drg.?

The structure is 176 ft (53.5 m) long with a longest span of 67 ft (20.4 m) and a deck 34 ft wide.

Who owns I-35 HWY SB (kta) over W. Br. Walnut River Drg.?

It is owned by the State Toll Authority.