US Bridges

Local Rd. 15 over Marais Des Cygnes River

Good

Linn County, Kansas · 2.3S 0.3W of LA Cygne · Structure no. 000541097805323

Built
1982
43 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
3 main spans
Daily traffic
50
2006 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 15 over Marais Des Cygnes River is a steel continuous stringer/multi-beam or girder carrying Local Rd. 15 over Marais Des Cygnes River in Linn County, Kansas. It was built in 1982, so it is 43 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 50 vehicles a day, projected to reach 60 by 2044. The structure is 264 ft (80.5 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLocal Rd. 15
CrossesMarais Des Cygnes River
Location2.3S 0.3W of LA Cygne
RouteCounty Highway 0
StateKansas
Coordinates38.31224, -94.755
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.7 US tons
Inventory rating25 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length264 ft (80.5 m)
Longest span100 ft (30.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2006)
Projected traffic60 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Local Rd. 15 over Marais Des Cygnes River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Local Rd. 15 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 September 2024.

How much traffic does Local Rd. 15 over Marais Des Cygnes River carry?

About 50 vehicles per day (2006 count).

How long is Local Rd. 15 over Marais Des Cygnes River?

The structure is 264 ft (80.5 m) long with a longest span of 100 ft (30.4 m) and a deck 28 ft wide.

Who owns Local Rd. 15 over Marais Des Cygnes River?

It is owned by the County Highway Agency.