US Bridges

I-35 HWY NB (kta) over Whitewater River

Good

Butler County, Kansas · 9.02 MI NE Seg CO Line · Structure no. 999903500080853

Built
1956
69 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
503 ft
5 main spans
Daily traffic
9,449
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY NB (kta) over Whitewater River is a steel continuous stringer/multi-beam or girder carrying I-35 HWY NB (kta) over Whitewater River in Butler County, Kansas. It was built in 1956, 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 9,449 vehicles a day, roughly 25% of them trucks, projected to reach 11,995 by 2044. The structure is 503 ft (153.2 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 NB (kta)
CrossesWhitewater River
Location9.02 MI NE Seg CO Line
RouteInterstate 35
CountyButler County
StateKansas
Coordinates37.75861, -97.00583
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.6 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length503 ft (153.2 m)
Longest span110 ft (33.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,449 (2023)
Projected traffic11,995 by 2044
Trucks25%
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 NB (kta) over Whitewater River built?

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

What condition is I-35 HWY NB (kta) over Whitewater 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 I-35 HWY NB (kta) over Whitewater River carry?

About 9,449 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-35 HWY NB (kta) over Whitewater River?

The structure is 503 ft (153.2 m) long with a longest span of 110 ft (33.5 m) and a deck 34 ft wide.

Who owns I-35 HWY NB (kta) over Whitewater River?

It is owned by the State Toll Authority.