US Bridges

Rs 989 SE 160 Ave over S. Fork Ninnescah River

Fair

Kingman County, Kansas · 8.0N 1.3E of Norwich · Structure no. 000000000480610

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
678 ft
10 main spans
Daily traffic
285
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 989 SE 160 Ave over S. Fork Ninnescah River is a steel continuous stringer/multi-beam or girder carrying Rs 989 SE 160 Ave over S. Fork Ninnescah River in Kingman County, Kansas. It was built in 1960, so it is 65 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.

It carries about 285 vehicles a day, roughly 10% of them trucks, projected to reach 375 by 2043. The structure is 678 ft (206.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRs 989 SE 160 Ave
CrossesS. Fork Ninnescah River
Location8.0N 1.3E of Norwich
RouteCounty Highway 989
CountyKingman County
StateKansas
Coordinates37.57308, -97.82608
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.4 US tons
Inventory rating30.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 15
Structure length678 ft (206.8 m)
Longest span70 ft (21.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic285 (2021)
Projected traffic375 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 989 SE 160 Ave over S. Fork Ninnescah River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Rs 989 SE 160 Ave over S. Fork Ninnescah 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 989 SE 160 Ave over S. Fork Ninnescah River carry?

About 285 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 989 SE 160 Ave over S. Fork Ninnescah River?

The structure is 678 ft (206.8 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns Rs 989 SE 160 Ave over S. Fork Ninnescah River?

It is owned by the County Highway Agency.