US Bridges

I335 (kta)el-Wl over Duck Creek

Fair

Lyon County, Kansas · 1.60 MI NE K-99 · Structure no. 999933500561443

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
5,825
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I335 (kta)el-Wl over Duck Creek is a concrete culvert carrying I335 (kta)el-Wl over Duck Creek in Lyon 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 5,825 vehicles a day, roughly 27% of them trucks, projected to reach 8,322 by 2044. The structure is 37 ft (11.4 m) long and 145 ft wide.

Location

Open in Google Maps
CarriesI335 (kta)el-Wl
CrossesDuck Creek
Location1.60 MI NE K-99
RouteInterstate 335
CountyLyon County
StateKansas
Coordinates38.58972, -96.07972
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width145 ft (44.1 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,825 (2023)
Projected traffic8,322 by 2044
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
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 I335 (kta)el-Wl over Duck Creek built?

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

What condition is I335 (kta)el-Wl over Duck 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 June 2024.

How much traffic does I335 (kta)el-Wl over Duck Creek carry?

About 5,825 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I335 (kta)el-Wl over Duck Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 145 ft wide.

Who owns I335 (kta)el-Wl over Duck Creek?

It is owned by the State Toll Authority.