US Bridges

Local RD Y.5-280 over Marais Des Cygnes River

FairPosted for load

Lyon County, Kansas · 3.0N of Reading · Structure no. 000560967304968

Built
1940
85 years old
Condition
Fair
inspected March 2023
Type
Truss - Thru
Steel
Length
104 ft
1 main span
Daily traffic
10
2007 count
Owner
County
County Highway Agency

About this bridge

Local RD Y.5-280 over Marais Des Cygnes River is a steel truss - thru carrying Local RD Y.5-280 over Marais Des Cygnes River in Lyon County, Kansas. It was built in 1940, so it is 85 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 10 vehicles a day, projected to reach 10 by 2043. The structure is 104 ft (31.6 m) long and 13 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLocal RD Y.5-280
CrossesMarais Des Cygnes River
Location3.0N of Reading
RouteCounty Highway 0
StateKansas
Coordinates38.56697, -95.96156
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31.1 US tons
Inventory rating18.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.6 m)
Longest span101 ft (30.7 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2007)
Projected traffic10 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD Y.5-280 over Marais Des Cygnes River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Local RD Y.5-280 over Marais Des Cygnes River 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 March 2023.

How much traffic does Local RD Y.5-280 over Marais Des Cygnes River carry?

About 10 vehicles per day (2007 count).

How long is Local RD Y.5-280 over Marais Des Cygnes River?

The structure is 104 ft (31.6 m) long with a longest span of 101 ft (30.7 m) and a deck 13 ft wide.

Who owns Local RD Y.5-280 over Marais Des Cygnes River?

It is owned by the County Highway Agency.