US Bridges

Kingman (12-22.2) over Trib. Marais Des Cygnes

PoorPosted for load

Franklin County, Kansas · 1.0N of Rantoul · Structure no. 000301061204980

Built
1930
95 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
5
2010 count
Owner
County
County Highway Agency

About this bridge

Kingman (12-22.2) over Trib. Marais Des Cygnes is a steel stringer/multi-beam or girder carrying Kingman (12-22.2) over Trib. Marais Des Cygnes in Franklin County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 26 ft (7.9 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKingman (12-22.2)
CrossesTrib. Marais Des Cygnes
Location1.0N of Rantoul
RouteCounty Highway 0
CountyFranklin County
StateKansas
Coordinates38.56454, -95.09749
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.9 US tons
Inventory rating13.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width13 ft (4 m)
Roadway width13 ft (4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2010)
Projected traffic5 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$210,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kingman (12-22.2) over Trib. Marais Des Cygnes built?

It was built in 1930, making it 95 years old in 2025.

What condition is Kingman (12-22.2) over Trib. Marais Des Cygnes in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Kingman (12-22.2) over Trib. Marais Des Cygnes carry?

About 5 vehicles per day (2010 count).

How long is Kingman (12-22.2) over Trib. Marais Des Cygnes?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 13 ft wide.

Who owns Kingman (12-22.2) over Trib. Marais Des Cygnes?

It is owned by the County Highway Agency.