US Bridges

I-35 HWY SB (kta) over S. Fork Cottonwood River

Good

Chase County, Kansas · 3.73 MI NE Butler CO Line · Structure no. 999903500090383

Built
1956
69 years old, rebuilt 2019
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
3 main spans
Daily traffic
9,014
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over S. Fork Cottonwood River is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over S. Fork Cottonwood River in Chase County, Kansas. It was built in 1956 and reconstructed in 2019, 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 9,014 vehicles a day, roughly 28% of them trucks, projected to reach 11,443 by 2044. The structure is 303 ft (92.5 m) long and 45 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)
CrossesS. Fork Cottonwood River
Location3.73 MI NE Butler CO Line
RouteInterstate 35
CountyChase County
StateKansas
Coordinates38.12833, -96.5475
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
Deck8 Very GoodNo problems noted.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length303 ft (92.5 m)
Longest span115 ft (35.1 m)
Deck width45 ft (13.6 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,014 (2023)
Projected traffic11,443 by 2044
Trucks28%
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 S. Fork Cottonwood River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2019.

What condition is I-35 HWY SB (kta) over S. Fork Cottonwood 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 SB (kta) over S. Fork Cottonwood River carry?

About 9,014 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-35 HWY SB (kta) over S. Fork Cottonwood River?

The structure is 303 ft (92.5 m) long with a longest span of 115 ft (35.1 m) and a deck 45 ft wide.

Who owns I-35 HWY SB (kta) over S. Fork Cottonwood River?

It is owned by the State Toll Authority.