US Bridges

NW 20 ST over Wild Horse Creek

Good

Stafford County, Kansas · 1.0S 13.3W of St. John · Structure no. 000930639705780

Built
2008
17 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
10
2019 count
Owner
County
County Highway Agency

About this bridge

NW 20 ST over Wild Horse Creek is a steel stringer/multi-beam or girder carrying NW 20 ST over Wild Horse Creek in Stafford County, Kansas. It was built in 2008, so it is 17 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2044. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 20 ST
CrossesWild Horse Creek
Location1.0S 13.3W of St. John
RouteCounty Highway 0
StateKansas
Coordinates37.98566, -98.99119
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.5 US tons
Inventory rating30.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2019)
Projected traffic15 by 2044
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 NW 20 ST over Wild Horse Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is NW 20 ST over Wild Horse 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 November 2024.

How much traffic does NW 20 ST over Wild Horse Creek carry?

About 10 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is NW 20 ST over Wild Horse Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns NW 20 ST over Wild Horse Creek?

It is owned by the County Highway Agency.