US Bridges

Prairie ST over I-35 Highway

Good

Lyon County, Kansas · 1.27 MI E Graphic Arts RD · Structure no. 999903500560091

Built
1965
60 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
219 ft
4 main spans
Daily traffic
4,337
2023 count
Owner
State
State Highway Agency

About this bridge

Prairie ST over I-35 Highway is a concrete continuous slab carrying Prairie ST over I-35 Highway in Lyon County, Kansas. It was built in 1965, so it is 60 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 4,337 vehicles a day, projected to reach 6,445 by 2044. The structure is 219 ft (66.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPrairie ST
CrossesI-35 Highway
Location1.27 MI E Graphic Arts RD
RouteCity Street 1107
StateKansas
Coordinates38.42667, -96.2075
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.7 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,337 (2023)
Projected traffic6,445 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Prairie ST over I-35 Highway built?

It was built in 1965, making it 60 years old in 2025.

What condition is Prairie ST over I-35 Highway 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 Prairie ST over I-35 Highway carry?

About 4,337 vehicles per day (2023 count).

How long is Prairie ST over I-35 Highway?

The structure is 219 ft (66.7 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Prairie ST over I-35 Highway?

It is owned by the State Highway Agency.