US Bridges

Center Twnsp RD over I-35 HWY (kta)

Fair

Lyon County, Kansas · 1.76 MI NE Chase CO Line · Structure no. 999903500560593

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
162 ft
4 main spans
Daily traffic
28
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Center Twnsp RD over I-35 HWY (kta) is a steel continuous girder and floorbeam system carrying Center Twnsp RD over I-35 HWY (kta) in Lyon 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 28 vehicles a day. The structure is 162 ft (49.5 m) long and 25 ft wide.

Location

Open in Google Maps
CarriesCenter Twnsp RD
CrossesI-35 HWY (kta)
Location1.76 MI NE Chase CO Line
RouteCounty Highway 529
CountyLyon County
StateKansas
Coordinates38.31222, -96.33611
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.8 US tons
Inventory rating21.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length162 ft (49.5 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 traffic28 (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 Center Twnsp RD over I-35 HWY (kta) built?

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

What condition is Center Twnsp RD over I-35 HWY (kta) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Center Twnsp RD over I-35 HWY (kta) carry?

About 28 vehicles per day (2023 count).

How long is Center Twnsp RD over I-35 HWY (kta)?

The structure is 162 ft (49.5 m) long with a longest span of 46 ft (14 m) and a deck 25 ft wide.

Who owns Center Twnsp RD over I-35 HWY (kta)?

It is owned by the State Toll Authority.