US Bridges

Towanda Road over I-35 HWY (kta)

Good

Butler County, Kansas · 9.43 MI NE Seg CO Line · Structure no. 999903500080863

Built
1956
69 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
166 ft
4 main spans
Daily traffic
72
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Towanda Road over I-35 HWY (kta) is a steel continuous stringer/multi-beam or girder carrying Towanda Road over I-35 HWY (kta) 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 72 vehicles a day. The structure is 166 ft (50.7 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesTowanda Road
CrossesI-35 HWY (kta)
Location9.43 MI NE Seg CO Line
RouteCounty Highway 806
CountyButler County
StateKansas
Coordinates37.76111, -96.99833
Functional classRural Local

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37.4 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length166 ft (50.7 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2023)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Towanda Road over I-35 HWY (kta) built?

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

What condition is Towanda Road over I-35 HWY (kta) 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 Towanda Road over I-35 HWY (kta) carry?

About 72 vehicles per day (2023 count).

How long is Towanda Road over I-35 HWY (kta)?

The structure is 166 ft (50.7 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns Towanda Road over I-35 HWY (kta)?

It is owned by the State Toll Authority.