US Bridges

SW 20 RD over Spring Creek

FairPosted for load

Harper County, Kansas · 0.5W 2.0S of Anthony · Structure no. 000390741906960

Built
1997
28 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
3 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

SW 20 RD over Spring Creek is a steel continuous stringer/multi-beam or girder carrying SW 20 RD over Spring Creek in Harper County, Kansas. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 100 ft (30.5 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesSW 20 RD
CrossesSpring Creek
Location0.5W 2.0S of Anthony
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.12311, -98.04019
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.6 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 SW 20 RD over Spring Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SW 20 RD over Spring 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 February 2023.

How much traffic does SW 20 RD over Spring Creek carry?

About 50 vehicles per day (2021 count).

How long is SW 20 RD over Spring Creek?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns SW 20 RD over Spring Creek?

It is owned by the County Highway Agency.