US Bridges

335th Street over Trib. Marais Des Cygnes

FairPosted for load

Miami County, Kansas · 1.5N of Osawatomie · Structure no. 000611077105040

Built
1939
86 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel
Length
71 ft
1 main span
Daily traffic
8
2011 count
Owner
County
County Highway Agency

About this bridge

335th Street over Trib. Marais Des Cygnes is a steel girder and floorbeam system carrying 335th Street over Trib. Marais Des Cygnes in Miami County, Kansas. It was built in 1939, so it is 86 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 8 vehicles a day, roughly 1% of them trucks, projected to reach 10 by 2043. The structure is 71 ft (21.6 m) long and 12 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries335th Street
CrossesTrib. Marais Des Cygnes
Location1.5N of Osawatomie
RouteCounty Highway 0
CountyMiami County
StateKansas
Coordinates38.51937, -94.95411
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8 (2011)
Projected traffic10 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$900,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 335th Street over Trib. Marais Des Cygnes built?

It was built in 1939, making it 86 years old in 2025.

What condition is 335th 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 July 2023.

How much traffic does 335th Street over Trib. Marais Des Cygnes carry?

About 8 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is 335th Street over Trib. Marais Des Cygnes?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 12 ft wide.

Who owns 335th Street over Trib. Marais Des Cygnes?

It is owned by the County Highway Agency.