US Bridges

W 285th ST 10 over Marais Des Cygnes River

Good

Osage County, Kansas · 2.0N of Reading · Structure no. 000700969005000

Built
1998
27 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
193 ft
3 main spans
Daily traffic
30
2019 count
Owner
County
County Highway Agency

About this bridge

W 285th ST 10 over Marais Des Cygnes River is a prestressed concrete continuous stringer/multi-beam or girder carrying W 285th ST 10 over Marais Des Cygnes River in Osage County, Kansas. It was built in 1998, so it is 27 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 36 by 2044. The structure is 193 ft (58.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 285th ST 10
CrossesMarais Des Cygnes River
Location2.0N of Reading
RouteCounty Highway 0
StateKansas
Coordinates38.55024, -95.94914
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating92 US tons
Inventory rating55.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length193 ft (58.7 m)
Longest span63 ft (19.2 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2019)
Projected traffic36 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 285th ST 10 over Marais Des Cygnes River built?

It was built in 1998, making it 27 years old in 2025.

What condition is W 285th ST 10 over Marais Des Cygnes River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does W 285th ST 10 over Marais Des Cygnes River carry?

About 30 vehicles per day (2019 count).

How long is W 285th ST 10 over Marais Des Cygnes River?

The structure is 193 ft (58.7 m) long with a longest span of 63 ft (19.2 m) and a deck 25 ft wide.

Who owns W 285th ST 10 over Marais Des Cygnes River?

It is owned by the County Highway Agency.