US Bridges

Rs 359 NW 170 Ave over Stream

FairPosted for load

Kingman County, Kansas · 2.5N of Cunningham · Structure no. 000000000480230

Built
1950
75 years old, rebuilt 1983
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
470
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 359 NW 170 Ave over Stream is a steel stringer/multi-beam or girder carrying Rs 359 NW 170 Ave over Stream in Kingman County, Kansas. It was built in 1950 and reconstructed in 1983, so it is 75 years old, older 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 470 vehicles a day, roughly 10% of them trucks, projected to reach 780 by 2043. The structure is 28 ft (8.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 359 NW 170 Ave
CrossesStream
Location2.5N of Cunningham
RouteCounty Highway 359
CountyKingman County
StateKansas
Coordinates37.68111, -98.42817
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating25.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span27 ft (8.3 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic470 (2021)
Projected traffic780 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 359 NW 170 Ave over Stream built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1983.

What condition is Rs 359 NW 170 Ave over Stream 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 NW 170 Ave over Stream carry?

About 470 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 359 NW 170 Ave over Stream?

The structure is 28 ft (8.6 m) long with a longest span of 27 ft (8.3 m) and a deck 29 ft wide.

Who owns Rs 359 NW 170 Ave over Stream?

It is owned by the County Highway Agency.