US Bridges

280 Rd. over Trib. to N. Cottonwood

PoorPosted for load

Marion County, Kansas · 2.8W 0.2S of Durham · Structure no. 000570825705100

Built
1915
110 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
45
2020 count
Owner
County
County Highway Agency

About this bridge

280 Rd. over Trib. to N. Cottonwood is a steel stringer/multi-beam or girder carrying 280 Rd. over Trib. to N. Cottonwood in Marion County, Kansas. It was built in 1915, so it is 110 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 54 by 2044. The structure is 31 ft (9.4 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries280 Rd.
CrossesTrib. to N. Cottonwood
Location2.8W 0.2S of Durham
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.47861, -97.2855
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2020)
Projected traffic54 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 280 Rd. over Trib. to N. Cottonwood built?

It was built in 1915, making it 110 years old in 2025.

What condition is 280 Rd. over Trib. to N. Cottonwood in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does 280 Rd. over Trib. to N. Cottonwood carry?

About 45 vehicles per day (2020 count).

How long is 280 Rd. over Trib. to N. Cottonwood?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.

Who owns 280 Rd. over Trib. to N. Cottonwood?

It is owned by the County Highway Agency.