US Bridges

SW 180th over Little Walnut River

PoorPosted for load

Butler County, Kansas · 1.0E 1.8S of Gordon · Structure no. 000080861106360

Built
1914
111 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 180th over Little Walnut River is a concrete tee beam carrying SW 180th over Little Walnut River in Butler County, Kansas. It was built in 1914, so it is 111 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2045. The structure is 102 ft (31.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSW 180th
CrossesLittle Walnut River
Location1.0E 1.8S of Gordon
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.56309, -96.97145
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.8 US tons
Inventory rating17.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$380,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 180th over Little Walnut River built?

It was built in 1914, making it 111 years old in 2025.

What condition is SW 180th over Little Walnut River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does SW 180th over Little Walnut River carry?

About 50 vehicles per day (2023 count).

How long is SW 180th over Little Walnut River?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 18 ft wide.

Who owns SW 180th over Little Walnut River?

It is owned by the County Highway Agency.