US Bridges

I-35 HWY SB (kta) over Local Road Phenis Creek

Good

Lyon County, Kansas · 6.98 MI NE Chase CO Line · Structure no. 999903500560623

Built
1956
69 years old, rebuilt 1978
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
3 main spans
Daily traffic
9,014
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over Local Road Phenis Creek is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over Local Road Phenis Creek in Lyon County, Kansas. It was built in 1956 and reconstructed in 1978, 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 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 9,014 vehicles a day, roughly 28% of them trucks, projected to reach 11,443 by 2044. The structure is 199 ft (60.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-35 HWY SB (kta)
CrossesLocal Road Phenis Creek
Location6.98 MI NE Chase CO Line
RouteInterstate 35
CountyLyon County
StateKansas
Coordinates38.36833, -96.27278
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length199 ft (60.8 m)
Longest span76 ft (23.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,014 (2023)
Projected traffic11,443 by 2044
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 Local Road Phenis Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1978.

What condition is I-35 HWY SB (kta) over Local Road Phenis 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 August 2023.

How much traffic does I-35 HWY SB (kta) over Local Road Phenis Creek carry?

About 9,014 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-35 HWY SB (kta) over Local Road Phenis Creek?

The structure is 199 ft (60.8 m) long with a longest span of 76 ft (23.2 m) and a deck 43 ft wide.

Who owns I-35 HWY SB (kta) over Local Road Phenis Creek?

It is owned by the State Toll Authority.