US Bridges

Cty RD 320(8.R.4) over Wilson Creek

FairPosted for load

Greenwood County, Kansas · 4.0S 3.6W of Madison · Structure no. 000370941705660

Built
1900
125 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
121 ft
5 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Cty RD 320(8.R.4) over Wilson Creek is a concrete continuous slab carrying Cty RD 320(8.R.4) over Wilson Creek in Greenwood County, Kansas. It was built in 1900, so it is 125 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 121 ft (36.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCty RD 320(8.R.4)
CrossesWilson Creek
Location4.0S 3.6W of Madison
RouteCounty Highway 0
CountyGreenwood County
StateKansas
Coordinates38.07101, -96.19715
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckOther
Main spans5
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span9 ft (2.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic30 by 2043
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cty RD 320(8.R.4) over Wilson Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Cty RD 320(8.R.4) over Wilson 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 320(8.R.4) over Wilson Creek carry?

About 30 vehicles per day (2006 count).

How long is Cty RD 320(8.R.4) over Wilson Creek?

The structure is 121 ft (36.9 m) long with a longest span of 9 ft (2.8 m) and a deck 26 ft wide.

Who owns Cty RD 320(8.R.4) over Wilson Creek?

It is owned by the County Highway Agency.