US Bridges

260th St. over Unnamed Stream

Good

Brown County, Kansas · 6.1E 2.0N of Hiawatha · Structure no. 000071025403160

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
40
2016 count
Owner
County
County Highway Agency

About this bridge

260th St. over Unnamed Stream is a concrete culvert carrying 260th St. over Unnamed Stream in Brown County, Kansas. It was built in 2009, so it is 16 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 40 vehicles a day, projected to reach 44 by 2044. The structure is 38 ft (11.7 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries260th St.
CrossesUnnamed Stream
Location6.1E 2.0N of Hiawatha
RouteCounty Highway 0
StateKansas
Coordinates39.88556, -95.40775
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.4 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span18 ft (5.4 m)
Deck width56 ft (17.2 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2016)
Projected traffic44 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 260th St. over Unnamed Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is 260th St. over Unnamed 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 2024.

How much traffic does 260th St. over Unnamed Stream carry?

About 40 vehicles per day (2016 count).

How long is 260th St. over Unnamed Stream?

The structure is 38 ft (11.7 m) long with a longest span of 18 ft (5.4 m) and a deck 56 ft wide.

Who owns 260th St. over Unnamed Stream?

It is owned by the County Highway Agency.