US Bridges

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

FairPosted for load

Marshall County, Kansas · 2.5N 0.5W of Beattie · Structure no. 000000000580770

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
214
2007 count
Owner
County
County Highway Agency

About this bridge

21st RD (rs 1242) over Trib. to Robidoux Creek is a concrete continuous tee beam 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 6 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 214 vehicles a day, roughly 11% of them trucks, projected to reach 214 by 2043. The structure is 96 ft (29.3 m) long and 27 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
Location2.5N 0.5W of Beattie
RouteCounty Highway 1242
CountyMarshall County
StateKansas
Coordinates39.89776, -96.42655
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.2 US tons
Inventory rating9.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length96 ft (29.3 m)
Longest span36 ft (11 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic214 (2007)
Projected traffic214 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$194,000
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 214 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 96 ft (29.3 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

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

It is owned by the County Highway Agency.