US Bridges

21st RD (rs 1242) over Trib. to Robidoux Creek

FairPosted for load

Marshall County, Kansas · 6.0N 0.5W of Beattie · Structure no. 000000000580780

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
113
2007 count
Owner
County
County Highway Agency

About this bridge

21st RD (rs 1242) over Trib. to Robidoux Creek is a concrete culvert carrying 21st RD (rs 1242) over Trib. to Robidoux Creek in Marshall County, Kansas. It was built in 1962, so it is 63 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 113 vehicles a day, roughly 11% of them trucks, projected to reach 113 by 2043. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries21st RD (rs 1242)
CrossesTrib. to Robidoux Creek
Location6.0N 0.5W of Beattie
RouteCounty Highway 1242
CountyMarshall County
StateKansas
Coordinates39.94629, -96.42656
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.4 US tons
Inventory rating14 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length36 ft (11 m)
Longest span17 ft (5.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic113 (2007)
Projected traffic113 by 2043
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$73,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 21st RD (rs 1242) over Trib. to Robidoux Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is 21st RD (rs 1242) over Trib. to Robidoux 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 July 2023.

How much traffic does 21st RD (rs 1242) over Trib. to Robidoux Creek carry?

About 113 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is 21st RD (rs 1242) over Trib. to Robidoux Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.1 m) and a deck 28 ft wide.

Who owns 21st RD (rs 1242) over Trib. to Robidoux Creek?

It is owned by the County Highway Agency.