US Bridges

260 Rd. over Cottonwood River

FairPosted for load

Marion County, Kansas · 2.7S 3.1E of Durham · Structure no. 000000000570830

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
4 main spans
Daily traffic
330
2020 count
Owner
County
County Highway Agency

About this bridge

260 Rd. over Cottonwood River is a steel continuous stringer/multi-beam or girder carrying 260 Rd. over Cottonwood River in Marion County, Kansas. It was built in 1966, so it is 59 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 330 vehicles a day, projected to reach 396 by 2044. The structure is 251 ft (76.5 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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Carries260 Rd.
CrossesCottonwood River
Location2.7S 3.1E of Durham
RouteCounty Highway 1409
CountyMarion County
StateKansas
Coordinates38.44717, -97.16681
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.4 US tons
Inventory rating8.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length251 ft (76.5 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic330 (2020)
Projected traffic396 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 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 260 Rd. over Cottonwood River built?

It was built in 1966, making it 59 years old in 2025.

What condition is 260 Rd. over Cottonwood River 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 December 2024.

How much traffic does 260 Rd. over Cottonwood River carry?

About 330 vehicles per day (2020 count).

How long is 260 Rd. over Cottonwood River?

The structure is 251 ft (76.5 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns 260 Rd. over Cottonwood River?

It is owned by the County Highway Agency.