US Bridges

260th St. over Trib. to Walnut Creek

Fair

Brown County, Kansas · 2.1W 1.6N of Hiawatha · Structure no. 000071003803160

Built
1920
105 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
55
2016 count
Owner
County
County Highway Agency

About this bridge

260th St. over Trib. to Walnut Creek is a steel stringer/multi-beam or girder carrying 260th St. over Trib. to Walnut Creek in Brown County, Kansas. It was built in 1920, so it is 105 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 55 vehicles a day, projected to reach 61 by 2044. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries260th St.
CrossesTrib. to Walnut Creek
Location2.1W 1.6N of Hiawatha
RouteCounty Highway 710
StateKansas
Coordinates39.88484, -95.60477
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.2 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 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 traffic55 (2016)
Projected traffic61 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th St. over Trib. to Walnut Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is 260th St. over Trib. to Walnut Creek 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 January 2024.

How much traffic does 260th St. over Trib. to Walnut Creek carry?

About 55 vehicles per day (2016 count).

How long is 260th St. over Trib. to Walnut Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns 260th St. over Trib. to Walnut Creek?

It is owned by the County Highway Agency.