US Bridges

Lookout RD over Trib. Marais Des Cygnes

Fair

Miami County, Kansas · Lookout Rd. 0.1 S US-169 · Structure no. 000611081005044

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
84
2011 count
Owner
County
County Highway Agency

About this bridge

Lookout RD over Trib. Marais Des Cygnes is a concrete culvert carrying Lookout RD over Trib. Marais Des Cygnes in Miami County, Kansas. It was built in 1975, so it is 50 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 84 vehicles a day, roughly 3% of them trucks, projected to reach 89 by 2043. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLookout RD
CrossesTrib. Marais Des Cygnes
LocationLookout Rd. 0.1 S US-169
RouteCounty Highway 0
CountyMiami County
StateKansas
Coordinates38.51558, -94.91812
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic84 (2011)
Projected traffic89 by 2043
Trucks3%
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 Lookout RD over Trib. Marais Des Cygnes built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lookout RD over Trib. Marais Des Cygnes 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 July 2023.

How much traffic does Lookout RD over Trib. Marais Des Cygnes carry?

About 84 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Lookout RD over Trib. Marais Des Cygnes?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.5 m).

Who owns Lookout RD over Trib. Marais Des Cygnes?

It is owned by the County Highway Agency.