US Bridges

SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River

FairPosted for load

Kingman County, Kansas · 2.6S 4.0W of Midway · Structure no. 000480747006266

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
362 ft
9 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River is a steel continuous stringer/multi-beam or girder carrying SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River in Kingman County, Kansas. It was built in 1970, so it is 55 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 5 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 10 vehicles a day, roughly 3% of them trucks, projected to reach 12 by 2043. The structure is 362 ft (110.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSE 60 Ave. Z.0-8.6
CrossesS. Fork Ninnescah River
Location2.6S 4.0W of Midway
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.62299, -98.00903
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating7.1 US tons
Inventory rating4.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadUnknown
Structure length362 ft (110.3 m)
Longest span39 ft (11.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic12 by 2043
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River built?

It was built in 1970, making it 55 years old in 2025.

What condition is SE 60 Ave. Z.0-8.6 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 SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River carry?

About 10 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River?

The structure is 362 ft (110.3 m) long with a longest span of 39 ft (11.8 m) and a deck 24 ft wide.

Who owns SE 60 Ave. Z.0-8.6 over S. Fork Ninnescah River?

It is owned by the County Highway Agency.