US Bridges

Rs 1646 13.0-19.2 over Marais Des Cygnes River

Fair

Franklin County, Kansas · 0.2S of Peoria · Structure no. 000000000300620

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
276 ft
3 main spans
Daily traffic
42
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 1646 13.0-19.2 over Marais Des Cygnes River is a steel continuous stringer/multi-beam or girder carrying Rs 1646 13.0-19.2 over Marais Des Cygnes River in Franklin County, Kansas. It was built in 1980, so it is 45 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 42 vehicles a day, projected to reach 36 by 2043. The structure is 276 ft (84.2 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesRs 1646 13.0-19.2
CrossesMarais Des Cygnes River
Location0.2S of Peoria
RouteCounty Highway 1646
StateKansas
Coordinates38.58083, -95.15197
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.3 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length276 ft (84.2 m)
Longest span105 ft (32 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic42 (2013)
Projected traffic36 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1646 13.0-19.2 over Marais Des Cygnes River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rs 1646 13.0-19.2 over Marais Des Cygnes River 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 June 2023.

How much traffic does Rs 1646 13.0-19.2 over Marais Des Cygnes River carry?

About 42 vehicles per day (2013 count).

How long is Rs 1646 13.0-19.2 over Marais Des Cygnes River?

The structure is 276 ft (84.2 m) long with a longest span of 105 ft (32 m) and a deck 30 ft wide.

Who owns Rs 1646 13.0-19.2 over Marais Des Cygnes River?

It is owned by the County Highway Agency.