US Bridges

I335 (kta)el-Wl over Stillman Creek

Good

Lyon County, Kansas · 5.25 MI NE I-35 · Structure no. 999933500561433

Built
1955
70 years old, rebuilt 2020
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
5,825
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I335 (kta)el-Wl over Stillman Creek is a concrete culvert carrying I335 (kta)el-Wl over Stillman Creek in Lyon County, Kansas. It was built in 1955 and reconstructed in 2020, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,825 vehicles a day, roughly 27% of them trucks, projected to reach 8,322 by 2044. The structure is 55 ft (16.8 m) long and 220 ft wide.

Location

Open in Google Maps
CarriesI335 (kta)el-Wl
CrossesStillman Creek
Location5.25 MI NE I-35
RouteInterstate 335
CountyLyon County
StateKansas
Coordinates38.47611, -96.18028
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length55 ft (16.8 m)
Longest span12 ft (3.7 m)
Deck width220 ft (67.1 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 Stillman Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2020.

What condition is I335 (kta)el-Wl over Stillman Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

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

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

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

The structure is 55 ft (16.8 m) long with a longest span of 12 ft (3.7 m) and a deck 220 ft wide.

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

It is owned by the State Toll Authority.