US Bridges

I35 HWY (kta)nb SB over Gypsum Creek

Fair

Sedgwick County, Kansas · 4.10 MI N K15 · Structure no. 999903500873703

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
8,227
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I35 HWY (kta)nb SB over Gypsum Creek is a concrete culvert carrying I35 HWY (kta)nb SB over Gypsum Creek in Sedgwick County, Kansas. It was built in 1955, so it is 70 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 8,227 vehicles a day, roughly 23% of them trucks, projected to reach 10,652 by 2044. The structure is 31 ft (9.4 m) long and 184 ft wide.

Location

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CarriesI35 HWY (kta)nb SB
CrossesGypsum Creek
Location4.10 MI N K15
RouteInterstate 35
CountySedgwick County
StateKansas
Coordinates37.66806, -97.24667
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width184 ft (56.1 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,227 (2023)
Projected traffic10,652 by 2044
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 I35 HWY (kta)nb SB over Gypsum Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is I35 HWY (kta)nb SB over Gypsum Creek 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 I35 HWY (kta)nb SB over Gypsum Creek carry?

About 8,227 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I35 HWY (kta)nb SB over Gypsum Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 184 ft wide.

Who owns I35 HWY (kta)nb SB over Gypsum Creek?

It is owned by the State Toll Authority.