US Bridges

I-35 HWY SB (kta) over K-55 HWY

Fair

Sumner County, Kansas · JCT K-55 / I-35 · Structure no. 999903500961113

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
118 ft
3 main spans
Daily traffic
11,227
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over K-55 HWY is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over K-55 HWY in Sumner 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 6 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 11,227 vehicles a day, roughly 28% of them trucks, projected to reach 14,252 by 2044. The structure is 118 ft (35.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-35 HWY SB (kta)
CrossesK-55 HWY
LocationJCT K-55 / I-35
RouteInterstate 35
CountySumner County
StateKansas
Coordinates37.39194, -97.32556
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.6 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length118 ft (35.9 m)
Longest span46 ft (14 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,227 (2023)
Projected traffic14,252 by 2044
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 K-55 HWY built?

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

What condition is I-35 HWY SB (kta) over K-55 HWY 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 July 2023.

How much traffic does I-35 HWY SB (kta) over K-55 HWY carry?

About 11,227 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-35 HWY SB (kta) over K-55 HWY?

The structure is 118 ft (35.9 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns I-35 HWY SB (kta) over K-55 HWY?

It is owned by the State Toll Authority.