US Bridges

280 Rd. over Trib. N. Cottonwood Riv.

FairPosted for load

Marion County, Kansas · 0.2S 0.3E of Durham · Structure no. 000570833305100

Built
1925
100 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
170 ft
4 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

280 Rd. over Trib. N. Cottonwood Riv. is a concrete tee beam carrying 280 Rd. over Trib. N. Cottonwood Riv. in Marion County, Kansas. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 3% of them trucks, projected to reach 48 by 2044. The structure is 170 ft (51.8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries280 Rd.
CrossesTrib. N. Cottonwood Riv.
Location0.2S 0.3E of Durham
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.47867, -97.21756
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.3 US tons
Inventory rating15.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length170 ft (51.8 m)
Longest span41 ft (12.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2044
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1925, making it 100 years old in 2025.

What condition is 280 Rd. over Trib. N. Cottonwood Riv. 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 280 Rd. over Trib. N. Cottonwood Riv. carry?

About 40 vehicles per day (2020 count), of which roughly 3% are trucks.

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

The structure is 170 ft (51.8 m) long with a longest span of 41 ft (12.5 m) and a deck 23 ft wide.

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

It is owned by the County Highway Agency.