US Bridges

N Perth RD over Slate Creek

Good

Sumner County, Kansas · 4.0W 3.0N of Wellington · Structure no. 000960803006706

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
5
2013 count
Owner
County
County Highway Agency

About this bridge

N Perth RD over Slate Creek is a steel stringer/multi-beam or girder carrying N Perth RD over Slate Creek in Sumner County, Kansas. It was built in 2006, so it is 19 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 131 ft (39.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Perth RD
CrossesSlate Creek
Location4.0W 3.0N of Wellington
RouteCounty Highway 0
StateKansas
Coordinates37.30914, -97.49403
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length131 ft (39.8 m)
Longest span49 ft (14.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2013)
Projected traffic5 by 2043
Trucks0%
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 N Perth RD over Slate Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is N Perth RD over Slate Creek 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 May 2023.

How much traffic does N Perth RD over Slate Creek carry?

About 5 vehicles per day (2013 count).

How long is N Perth RD over Slate Creek?

The structure is 131 ft (39.8 m) long with a longest span of 49 ft (14.8 m) and a deck 24 ft wide.

Who owns N Perth RD over Slate Creek?

It is owned by the County Highway Agency.