US Bridges

NE 20 St. CC.5-5.0 over Smoots Creek

FairPosted for load

Kingman County, Kansas · 0.3W of Waterloo · Structure no. 000480753506200

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
98 ft
3 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

NE 20 St. CC.5-5.0 over Smoots Creek is a steel continuous stringer/multi-beam or girder carrying NE 20 St. CC.5-5.0 over Smoots Creek 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 60 by 2043. The structure is 98 ft (30 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNE 20 St. CC.5-5.0
CrossesSmoots Creek
Location0.3W of Waterloo
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.67589, -97.94636
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
Deck7 GoodSome minor problems.
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; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length98 ft (30 m)
Longest span40 ft (12.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic60 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 NE 20 St. CC.5-5.0 over Smoots Creek built?

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

What condition is NE 20 St. CC.5-5.0 over Smoots Creek 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 NE 20 St. CC.5-5.0 over Smoots Creek carry?

About 50 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NE 20 St. CC.5-5.0 over Smoots Creek?

The structure is 98 ft (30 m) long with a longest span of 40 ft (12.1 m) and a deck 26 ft wide.

Who owns NE 20 St. CC.5-5.0 over Smoots Creek?

It is owned by the County Highway Agency.