US Bridges

Kenneth Road over Big Blue River

Good

Johnson County, Kansas · S 31 T 47 R 33 W · Structure no. 521950460000355

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
365 ft
4 main spans
Daily traffic
5,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kenneth Road over Big Blue River is a prestressed concrete girder and floorbeam system carrying Kenneth Road over Big Blue River in Johnson County, Kansas. It was built in 2019, so it is 6 years old, younger 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 5,000 vehicles a day, roughly 10% of them trucks, projected to reach 6,500 by 2044. The structure is 365 ft (111.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesKenneth Road
CrossesBig Blue River
LocationS 31 T 47 R 33 W
RouteCity Street 222
StateKansas
Coordinates38.85489, -94.608
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length365 ft (111.3 m)
Longest span101 ft (30.9 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,000 (2024)
Projected traffic6,500 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kenneth Road over Big Blue River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Kenneth Road over Big Blue River 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 March 2024.

How much traffic does Kenneth Road over Big Blue River carry?

About 5,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Kenneth Road over Big Blue River?

The structure is 365 ft (111.3 m) long with a longest span of 101 ft (30.9 m) and a deck 36 ft wide.

Who owns Kenneth Road over Big Blue River?

It is owned by the City or Municipal Highway Agency.