US Bridges

Rs 359 SW 170 Ave over North Fk Chikaskia River

FairPosted for load

Kingman County, Kansas · 1.0N 1.0W of St. Leo · Structure no. 000000000480200

Built
1973
52 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
640
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 359 SW 170 Ave over North Fk Chikaskia River is a steel stringer/multi-beam or girder carrying Rs 359 SW 170 Ave over North Fk Chikaskia River in Kingman County, Kansas. It was built in 1973, so it is 52 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 640 vehicles a day, roughly 10% of them trucks, projected to reach 560 by 2043. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 359 SW 170 Ave
CrossesNorth Fk Chikaskia River
Location1.0N 1.0W of St. Leo
RouteCounty Highway 359
CountyKingman County
StateKansas
Coordinates37.54017, -98.42831
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating9.7 US tons
Inventory rating5.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic640 (2021)
Projected traffic560 by 2043
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$230,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 359 SW 170 Ave over North Fk Chikaskia River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rs 359 SW 170 Ave over North Fk Chikaskia 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 January 2023.

How much traffic does Rs 359 SW 170 Ave over North Fk Chikaskia River carry?

About 640 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 359 SW 170 Ave over North Fk Chikaskia River?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns Rs 359 SW 170 Ave over North Fk Chikaskia River?

It is owned by the County Highway Agency.