US Bridges

Wyandotte ST over Kansas River & BNSF RR

FairPosted for load

Johnson County, Kansas · N. of Desoto · Structure no. 000000000460240

Built
1964
61 years old, rebuilt 2020
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
1,052 ft
5 main spans
Daily traffic
3,300
2023 count
Owner
County
County Highway Agency

About this bridge

Wyandotte ST over Kansas River & BNSF RR is a steel continuous girder and floorbeam system carrying Wyandotte ST over Kansas River & BNSF RR in Johnson County, Kansas. It was built in 1964 and reconstructed in 2020, so it is 61 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. Its operating status is: posted for load restriction.

It carries about 3,300 vehicles a day, roughly 3% of them trucks, projected to reach 3,800 by 2043. The structure is 1,052 ft (320.5 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesWyandotte ST
CrossesKansas River & BNSF RR
LocationN. of Desoto
RouteCounty Highway 388
CountyJohnson County
StateKansas
Coordinates38.98226, -94.96487
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating15.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadH 20
Structure length1,052 ft (320.5 m)
Longest span184 ft (56 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,800 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyandotte ST over Kansas River & BNSF RR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2020.

What condition is Wyandotte ST over Kansas River & BNSF RR 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 September 2024.

How much traffic does Wyandotte ST over Kansas River & BNSF RR carry?

About 3,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Wyandotte ST over Kansas River & BNSF RR?

The structure is 1,052 ft (320.5 m) long with a longest span of 184 ft (56 m) and a deck 30 ft wide.

Who owns Wyandotte ST over Kansas River & BNSF RR?

It is owned by the County Highway Agency.