US Bridges

Rs 1647 14.2-7.0 over Marais Des Cygnes River

FairPosted for load

Franklin County, Kansas · 0.8S of Richter · Structure no. 000000000300670

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
3 main spans
Daily traffic
404
2010 count
Owner
County
County Highway Agency

About this bridge

Rs 1647 14.2-7.0 over Marais Des Cygnes River is a steel continuous stringer/multi-beam or girder carrying Rs 1647 14.2-7.0 over Marais Des Cygnes River in Franklin County, Kansas. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 404 vehicles a day, projected to reach 404 by 2043. The structure is 283 ft (86.3 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesRs 1647 14.2-7.0
CrossesMarais Des Cygnes River
Location0.8S of Richter
RouteCounty Highway 1647
CountyFranklin County
StateKansas
Coordinates38.59689, -95.37854
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length283 ft (86.3 m)
Longest span108 ft (32.8 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 traffic404 (2010)
Projected traffic404 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1647 14.2-7.0 over Marais Des Cygnes River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Rs 1647 14.2-7.0 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 1647 14.2-7.0 over Marais Des Cygnes River carry?

About 404 vehicles per day (2010 count).

How long is Rs 1647 14.2-7.0 over Marais Des Cygnes River?

The structure is 283 ft (86.3 m) long with a longest span of 108 ft (32.8 m) and a deck 30 ft wide.

Who owns Rs 1647 14.2-7.0 over Marais Des Cygnes River?

It is owned by the County Highway Agency.