US Bridges

351st Street over Trib. Marais Des Cygnes

FairPosted for load

Miami County, Kansas · 4.0E 0.5 S of Osawatomie · Structure no. 000611085005080

Built
1913
112 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
12
2011 count
Owner
County
County Highway Agency

About this bridge

351st Street over Trib. Marais Des Cygnes is a concrete culvert carrying 351st Street over Trib. Marais Des Cygnes in Miami County, Kansas. It was built in 1913, so it is 112 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 12 vehicles a day, projected to reach 54 by 2043. The structure is 23 ft (7 m) long and 15 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries351st Street
CrossesTrib. Marais Des Cygnes
Location4.0E 0.5 S of Osawatomie
RouteCounty Highway 0
StateKansas
Coordinates38.49039, -94.88197
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating17 US tons
Inventory rating11 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic12 (2011)
Projected traffic54 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 351st Street over Trib. Marais Des Cygnes built?

It was built in 1913, making it 112 years old in 2025.

What condition is 351st 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 351st Street over Trib. Marais Des Cygnes carry?

About 12 vehicles per day (2011 count).

How long is 351st Street over Trib. Marais Des Cygnes?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 15 ft wide.

Who owns 351st Street over Trib. Marais Des Cygnes?

It is owned by the County Highway Agency.