US Bridges

I-35 HWY SB over RS2066 US50 HWY

Fair

Lyon County, Kansas · 2.60 MI East of K-99 · Structure no. 999903500561171

Built
1976
49 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
3 main spans
Daily traffic
7,803
2023 count
Owner
State
State Highway Agency

About this bridge

I-35 HWY SB over RS2066 US50 HWY is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB over RS2066 US50 HWY in Lyon County, Kansas. It was built in 1976 and reconstructed in 1994, so it is 49 years old, younger 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 7,803 vehicles a day, roughly 21% of them trucks, projected to reach 8,795 by 2044. The structure is 322 ft (98 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-35 HWY SB
CrossesRS2066 US50 HWY
Location2.60 MI East of K-99
RouteInterstate 35
StateKansas
Coordinates38.41111, -96.13889
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.8 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length322 ft (98 m)
Longest span120 ft (36.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,803 (2023)
Projected traffic8,795 by 2044
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 over RS2066 US50 HWY built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1994.

What condition is I-35 HWY SB over RS2066 US50 HWY 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 I-35 HWY SB over RS2066 US50 HWY carry?

About 7,803 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-35 HWY SB over RS2066 US50 HWY?

The structure is 322 ft (98 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.

Who owns I-35 HWY SB over RS2066 US50 HWY?

It is owned by the State Highway Agency.