US Bridges

SE 90th over Little Walnut River

Fair

Butler County, Kansas · 0.7E 0.5N of Leon · Structure no. 000080883206180

Built
1925
100 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
119 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

SE 90th over Little Walnut River is a concrete tee beam carrying SE 90th over Little Walnut River in Butler County, Kansas. It was built in 1925, so it is 100 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.

It carries about 35 vehicles a day, projected to reach 35 by 2045. The structure is 119 ft (36.3 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSE 90th
CrossesLittle Walnut River
Location0.7E 0.5N of Leon
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.69394, -96.76683
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length119 ft (36.3 m)
Longest span52 ft (15.7 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2023)
Projected traffic35 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 90th over Little Walnut River built?

It was built in 1925, making it 100 years old in 2025.

What condition is SE 90th over Little Walnut River 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 February 2025.

How much traffic does SE 90th over Little Walnut River carry?

About 35 vehicles per day (2023 count).

How long is SE 90th over Little Walnut River?

The structure is 119 ft (36.3 m) long with a longest span of 52 ft (15.7 m) and a deck 22 ft wide.

Who owns SE 90th over Little Walnut River?

It is owned by the County Highway Agency.