US Bridges

SW 40th St. over Small Stream

FairPosted for load

Butler County, Kansas · 0.3W 2.0S of Towanda · Structure no. 000080857206080

Built
1940
85 years old, rebuilt 2018
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 40th St. over Small Stream is a steel stringer/multi-beam or girder carrying SW 40th St. over Small Stream in Butler County, Kansas. It was built in 1940 and reconstructed in 2018, so it is 85 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 50 by 2045. The structure is 44 ft (13.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSW 40th St.
CrossesSmall Stream
Location0.3W 2.0S of Towanda
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.76597, -97.00444
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length44 ft (13.5 m)
Longest span38 ft (11.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 40th St. over Small Stream built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2018.

What condition is SW 40th St. over Small Stream 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 SW 40th St. over Small Stream carry?

About 50 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SW 40th St. over Small Stream?

The structure is 44 ft (13.5 m) long with a longest span of 38 ft (11.7 m) and a deck 20 ft wide.

Who owns SW 40th St. over Small Stream?

It is owned by the County Highway Agency.