US Bridges

260th St. over Walnut Creek

FairPosted for load

Brown County, Kansas · 2.3W 1.5N of Hiawatha · Structure no. 000071003603160

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
55
2016 count
Owner
County
County Highway Agency

About this bridge

260th St. over Walnut Creek is a steel stringer/multi-beam or girder carrying 260th St. over Walnut Creek in Brown County, Kansas. It was built in 1965, so it is 60 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 55 vehicles a day, projected to reach 61 by 2044. The structure is 78 ft (23.9 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries260th St.
CrossesWalnut Creek
Location2.3W 1.5N of Hiawatha
RouteCounty Highway 710
StateKansas
Coordinates39.88484, -95.60805
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.2 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length78 ft (23.9 m)
Longest span78 ft (23.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 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 directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$70,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th St. over Walnut Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 260th St. over 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 Walnut Creek carry?

About 55 vehicles per day (2016 count).

How long is 260th St. over Walnut Creek?

The structure is 78 ft (23.9 m) long with a longest span of 78 ft (23.9 m) and a deck 25 ft wide.

Who owns 260th St. over Walnut Creek?

It is owned by the County Highway Agency.