US Bridges

Cty RD 280(12-O.3) over Slate Creek

FairPosted for load

Greenwood County, Kansas · 5.0W 2.0N of Hamilton · Structure no. 000370935305740

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
22
2006 count
Owner
County
County Highway Agency

About this bridge

Cty RD 280(12-O.3) over Slate Creek is a concrete culvert carrying Cty RD 280(12-O.3) over Slate Creek in Greenwood County, Kansas. It was built in 1930, so it is 95 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 22 vehicles a day, projected to reach 22 by 2043. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCty RD 280(12-O.3)
CrossesSlate Creek
Location5.0W 2.0N of Hamilton
RouteCounty Highway 0
CountyGreenwood County
StateKansas
Coordinates38.01394, -96.26186
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic22 (2006)
Projected traffic22 by 2043
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 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 Cty RD 280(12-O.3) over Slate Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Cty RD 280(12-O.3) over Slate 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 June 2023.

How much traffic does Cty RD 280(12-O.3) over Slate Creek carry?

About 22 vehicles per day (2006 count).

How long is Cty RD 280(12-O.3) over Slate Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 27 ft wide.

Who owns Cty RD 280(12-O.3) over Slate Creek?

It is owned by the County Highway Agency.