US Bridges

NE 30 St. BB.4-4.0 over Smoots Creek

Fair

Kingman County, Kansas · 1.0N 1.0W of Waterloo · Structure no. 000480751406180

Built
1985
40 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
67 ft
3 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NE 30 St. BB.4-4.0 over Smoots Creek is a steel continuous stringer/multi-beam or girder carrying NE 30 St. BB.4-4.0 over Smoots Creek in Kingman County, Kansas. It was built in 1985, so it is 40 years old, younger 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 12 by 2043. The structure is 67 ft (20.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNE 30 St. BB.4-4.0
CrossesSmoots Creek
Location1.0N 1.0W of Waterloo
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.69033, -97.96464
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic12 by 2043
Trucks5%
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 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 30 St. BB.4-4.0 over Smoots Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is NE 30 St. BB.4-4.0 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 30 St. BB.4-4.0 over Smoots Creek carry?

About 10 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NE 30 St. BB.4-4.0 over Smoots Creek?

The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns NE 30 St. BB.4-4.0 over Smoots Creek?

It is owned by the County Highway Agency.