US Bridges

NE 120th over Small Stream

Good

Butler County, Kansas · 4.7W 3.0S of Cassoday · Structure no. 000080887305760

Built
1956
69 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

NE 120th over Small Stream is a concrete culvert carrying NE 120th over Small Stream in Butler County, Kansas. It was built in 1956, so it is 69 years old, older 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 30 vehicles a day, projected to reach 30 by 2045. The structure is 21 ft (6.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNE 120th
CrossesSmall Stream
Location4.7W 3.0S of Cassoday
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.9993, -96.72524
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.8 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (2.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2023)
Projected traffic30 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 120th over Small Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is NE 120th over Small Stream 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 January 2025.

How much traffic does NE 120th over Small Stream carry?

About 30 vehicles per day (2023 count).

How long is NE 120th over Small Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (2.9 m) and a deck 32 ft wide.

Who owns NE 120th over Small Stream?

It is owned by the County Highway Agency.