US Bridges

Rs 511 22.0-23.0 over Marais Des Cygnes River

GoodPosted for load

Osage County, Kansas · 1.9S of Quenemo · Structure no. 000000000700090

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
3 main spans
Daily traffic
85
2019 count
Owner
County
County Highway Agency

About this bridge

Rs 511 22.0-23.0 over Marais Des Cygnes River is a steel continuous stringer/multi-beam or girder carrying Rs 511 22.0-23.0 over Marais Des Cygnes River in Osage County, Kansas. It was built in 1970, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 85 vehicles a day, projected to reach 118 by 2044. The structure is 290 ft (88.4 m) long and 28 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesRs 511 22.0-23.0
CrossesMarais Des Cygnes River
Location1.9S of Quenemo
RouteCounty Highway 511
StateKansas
Coordinates38.5468, -95.52735
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length290 ft (88.4 m)
Longest span110 ft (33.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic85 (2019)
Projected traffic118 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Rs 511 22.0-23.0 over Marais Des Cygnes River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rs 511 22.0-23.0 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 January 2025.

How much traffic does Rs 511 22.0-23.0 over Marais Des Cygnes River carry?

About 85 vehicles per day (2019 count).

How long is Rs 511 22.0-23.0 over Marais Des Cygnes River?

The structure is 290 ft (88.4 m) long with a longest span of 110 ft (33.4 m) and a deck 28 ft wide.

Who owns Rs 511 22.0-23.0 over Marais Des Cygnes River?

It is owned by the County Highway Agency.