US Bridges

Rs 121 RD 20 over Casino Creek

GoodPosted for load

Clark County, Kansas · 1.75N of Ashland · Structure no. 000000000130170

Built
1956
69 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
64 ft
6 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 121 RD 20 over Casino Creek is a concrete culvert carrying Rs 121 RD 20 over Casino Creek in Clark County, Kansas. It was built in 1956, so it is 69 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2044. The structure is 64 ft (19.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 121 RD 20
CrossesCasino Creek
Location1.75N of Ashland
RouteCounty Highway 121
CountyClark County
StateKansas
Coordinates37.21676, -99.76051
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.1 US tons
Inventory rating19.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length64 ft (19.5 m)
Longest span10 ft (3 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 traffic10 (2022)
Projected traffic10 by 2044
Trucks10%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 121 RD 20 over Casino Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rs 121 RD 20 over Casino Creek 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 November 2024.

How much traffic does Rs 121 RD 20 over Casino Creek carry?

About 10 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Rs 121 RD 20 over Casino Creek?

The structure is 64 ft (19.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rs 121 RD 20 over Casino Creek?

It is owned by the County Highway Agency.