US Bridges

Rs 601 SE 60 St. over S. Fork Ninnescah River

Fair

Kingman County, Kansas · 3.5S 4.0E of Murdock · Structure no. 000000000480400

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
604 ft
7 main spans
Daily traffic
255
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 601 SE 60 St. over S. Fork Ninnescah River is a steel continuous stringer/multi-beam or girder carrying Rs 601 SE 60 St. over S. Fork Ninnescah River in Kingman County, Kansas. It was built in 1949, so it is 76 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 255 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2044. The structure is 604 ft (184.1 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 601 SE 60 St.
CrossesS. Fork Ninnescah River
Location3.5S 4.0E of Murdock
RouteCounty Highway 601
CountyKingman County
StateKansas
Coordinates37.56169, -97.85361
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 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length604 ft (184.1 m)
Longest span90 ft (27.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic255 (2021)
Projected traffic250 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 601 SE 60 St. over S. Fork Ninnescah River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Rs 601 SE 60 St. 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 2024.

How much traffic does Rs 601 SE 60 St. over S. Fork Ninnescah River carry?

About 255 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 601 SE 60 St. over S. Fork Ninnescah River?

The structure is 604 ft (184.1 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns Rs 601 SE 60 St. over S. Fork Ninnescah River?

It is owned by the County Highway Agency.