US Bridges

343rd Street over Trib. Marais Des Cygnes

Fair

Miami County, Kansas · 5.0S 4.1E of Paola · Structure no. 000611093105060

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
53 ft
3 main spans
Daily traffic
220
2011 count
Owner
County
County Highway Agency

About this bridge

343rd Street over Trib. Marais Des Cygnes is a concrete culvert carrying 343rd Street over Trib. Marais Des Cygnes in Miami County, Kansas. It was built in 1979, so it is 46 years old, younger 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.

It carries about 220 vehicles a day, projected to reach 226 by 2043. The structure is 53 ft (16.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries343rd Street
CrossesTrib. Marais Des Cygnes
Location5.0S 4.1E of Paola
RouteCounty Highway 0
CountyMiami County
StateKansas
Coordinates38.50516, -94.80546
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length53 ft (16.2 m)
Longest span17 ft (5.1 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic220 (2011)
Projected traffic226 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 343rd Street over Trib. Marais Des Cygnes built?

It was built in 1979, making it 46 years old in 2025.

What condition is 343rd Street over Trib. Marais Des Cygnes 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 343rd Street over Trib. Marais Des Cygnes carry?

About 220 vehicles per day (2011 count).

How long is 343rd Street over Trib. Marais Des Cygnes?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.1 m) and a deck 31 ft wide.

Who owns 343rd Street over Trib. Marais Des Cygnes?

It is owned by the County Highway Agency.