US Bridges

SW 170 ST.H.3-24.0 over Stream

GoodPosted for load

Kingman County, Kansas · 3.0S 2.7W of Zenda · Structure no. 000480711306580

Built
1986
39 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

SW 170 ST.H.3-24.0 over Stream is a concrete culvert carrying SW 170 ST.H.3-24.0 over Stream in Kingman County, Kansas. It was built in 1986, so it is 39 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 12 by 2043. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSW 170 ST.H.3-24.0
CrossesStream
Location3.0S 2.7W of Zenda
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.39877, -98.33233
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.3 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 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 SW 170 ST.H.3-24.0 over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is SW 170 ST.H.3-24.0 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 January 2023.

How much traffic does SW 170 ST.H.3-24.0 over Stream carry?

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

How long is SW 170 ST.H.3-24.0 over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns SW 170 ST.H.3-24.0 over Stream?

It is owned by the County Highway Agency.