US Bridges

SE 180th over Unamed Stream

Good

Butler County, Kansas · 2.0 8.3 E Latham · Structure no. 000080881706360

Built
2003
22 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SE 180th over Unamed Stream is a concrete culvert carrying SE 180th over Unamed Stream in Butler County, Kansas. It was built in 2003, so it is 22 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 50 vehicles a day, projected to reach 150 by 2045. The structure is 32 ft (9.9 m) long and 31 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesSE 180th
CrossesUnamed Stream
Location2.0 8.3 E Latham
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.56318, -96.77567
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span10 ft (3.2 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic150 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SE 180th over Unamed Stream built?

It was built in 2003, making it 22 years old in 2025.

What condition is SE 180th over Unamed 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 February 2025.

How much traffic does SE 180th over Unamed Stream carry?

About 50 vehicles per day (2023 count).

How long is SE 180th over Unamed Stream?

The structure is 32 ft (9.9 m) long with a longest span of 10 ft (3.2 m) and a deck 31 ft wide.

Who owns SE 180th over Unamed Stream?

It is owned by the County Highway Agency.