US Bridges

NW 20 St. K.6-5 over Stream

Good

Kingman County, Kansas · 3.0S 2.5E of Penalosa · Structure no. 000480717606200

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

NW 20 St. K.6-5 over Stream is a concrete culvert carrying NW 20 St. K.6-5 over Stream in Kingman County, Kansas. It was built in 1996, so it is 29 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80 vehicles a day, roughly 5% of them trucks, projected to reach 96 by 2043. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNW 20 St. K.6-5
CrossesStream
Location3.0S 2.5E of Penalosa
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.67439, -98.27142
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2021)
Projected traffic96 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 20 St. K.6-5 over Stream built?

It was built in 1996, making it 29 years old in 2025.

What condition is NW 20 St. K.6-5 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does NW 20 St. K.6-5 over Stream carry?

About 80 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NW 20 St. K.6-5 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns NW 20 St. K.6-5 over Stream?

It is owned by the County Highway Agency.