US Bridges

Local Rd. 12 over Trib Marais Des Cygnes

Good

Linn County, Kansas · 1.5S 1.8W of LA Cygne · Structure no. 000541093205320

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
25
2006 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 12 over Trib Marais Des Cygnes is a concrete culvert carrying Local Rd. 12 over Trib Marais Des Cygnes in Linn County, Kansas. It was built in 2004, so it is 21 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 25 vehicles a day, projected to reach 30 by 2044. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLocal Rd. 12
CrossesTrib Marais Des Cygnes
Location1.5S 1.8W of LA Cygne
RouteCounty Highway 0
CountyLinn County
StateKansas
Coordinates38.31621, -94.80404
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2006)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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. 12 over Trib Marais Des Cygnes built?

It was built in 2004, making it 21 years old in 2025.

What condition is Local Rd. 12 over Trib Marais Des Cygnes 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 March 2024.

How much traffic does Local Rd. 12 over Trib Marais Des Cygnes carry?

About 25 vehicles per day (2006 count).

How long is Local Rd. 12 over Trib Marais Des Cygnes?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Local Rd. 12 over Trib Marais Des Cygnes?

It is owned by the County Highway Agency.