US Bridges

Diamond Rd. over Trib. to Cottonwood Riv.

GoodPosted for load

Marion County, Kansas · 2.3S 4.0W of Durham · Structure no. 000000000570060

Built
1932
93 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
38
2020 count
Owner
County
County Highway Agency

About this bridge

Diamond Rd. over Trib. to Cottonwood Riv. is a concrete culvert carrying Diamond Rd. over Trib. to Cottonwood Riv. in Marion County, Kansas. It was built in 1932, so it is 93 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 38 vehicles a day, roughly 5% of them trucks, projected to reach 46 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDiamond Rd.
CrossesTrib. to Cottonwood Riv.
Location2.3S 4.0W of Durham
RouteCounty Highway 184
CountyMarion County
StateKansas
Coordinates38.45213, -97.29808
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic38 (2020)
Projected traffic46 by 2044
Trucks5%
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 Diamond Rd. over Trib. to Cottonwood Riv. built?

It was built in 1932, making it 93 years old in 2025.

What condition is Diamond Rd. over Trib. to Cottonwood Riv. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Diamond Rd. over Trib. to Cottonwood Riv. carry?

About 38 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Diamond Rd. over Trib. to Cottonwood Riv.?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Diamond Rd. over Trib. to Cottonwood Riv.?

It is owned by the County Highway Agency.