US Bridges

I-35 HWY SB (kta) over 55th ST South

FairClosed to traffic

Sedgwick County, Kansas · 8.08 MI N Sumner CO Line · Structure no. 999903500872313

Built
1956
69 years old, rebuilt 1973
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
13,874
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over 55th ST South is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over 55th ST South in Sedgwick County, Kansas. It was built in 1956 and reconstructed in 1973, 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. Its operating status is: closed to all traffic.

It carries about 13,874 vehicles a day, roughly 23% of them trucks, projected to reach 18,686 by 2044. The structure is 157 ft (47.9 m) long and 33 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)
Crosses55th ST South
Location8.08 MI N Sumner CO Line
RouteInterstate 35
CountySedgwick County
StateKansas
Coordinates37.59333, -97.32389
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry0: Immediate repair necessary to put back in service
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.7 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span88 ft (26.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,874 (2023)
Projected traffic18,686 by 2044
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 55th ST South built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1973.

What condition is I-35 HWY SB (kta) over 55th ST South 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 55th ST South carry?

About 13,874 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-35 HWY SB (kta) over 55th ST South?

The structure is 157 ft (47.9 m) long with a longest span of 88 ft (26.8 m) and a deck 33 ft wide.

Who owns I-35 HWY SB (kta) over 55th ST South?

It is owned by the State Toll Authority.