US Bridges

29THST Rd-Wichit over I-35 HWY (kta)

Good

Butler County, Kansas · 5.55 MI NE Seg CO Line · Structure no. 999903500080813

Built
1956
69 years old
Condition
Good
inspected October 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
156 ft
4 main spans
Daily traffic
72
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

29THST Rd-Wichit over I-35 HWY (kta) is a steel continuous girder and floorbeam system carrying 29THST Rd-Wichit 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 156 ft (47.7 m) long and 25 ft wide.

Location

Open in Google Maps
Carries29THST Rd-Wichit
CrossesI-35 HWY (kta)
Location5.55 MI NE Seg CO Line
RouteCounty Highway 230
CountyButler County
StateKansas
Coordinates37.73889, -97.06333
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 inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.5 US tons
Inventory rating20.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length156 ft (47.7 m)
Longest span46 ft (14 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6.1 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 29THST Rd-Wichit over I-35 HWY (kta) built?

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

What condition is 29THST Rd-Wichit 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 October 2024.

How much traffic does 29THST Rd-Wichit over I-35 HWY (kta) carry?

About 72 vehicles per day (2023 count).

How long is 29THST Rd-Wichit over I-35 HWY (kta)?

The structure is 156 ft (47.7 m) long with a longest span of 46 ft (14 m) and a deck 25 ft wide.

Who owns 29THST Rd-Wichit over I-35 HWY (kta)?

It is owned by the State Toll Authority.