US Bridges

SW 20 ST over Rattlesnake Creek

Fair

Stafford County, Kansas · 5.0S 5.1W of St. John · Structure no. 000930655905860

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
3 main spans
Daily traffic
15
2019 count
Owner
County
County Highway Agency

About this bridge

SW 20 ST over Rattlesnake Creek is a steel continuous stringer/multi-beam or girder carrying SW 20 ST over Rattlesnake Creek in Stafford 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 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.

It carries about 15 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2044. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW 20 ST
CrossesRattlesnake Creek
Location5.0S 5.1W of St. John
RouteCounty Highway 0
CountyStafford County
StateKansas
Coordinates37.92718, -98.84129
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.7 US tons
Inventory rating31.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span33 ft (10 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 traffic15 (2019)
Projected traffic20 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 SW 20 ST over Rattlesnake Creek built?

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

What condition is SW 20 ST over Rattlesnake 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 November 2024.

How much traffic does SW 20 ST over Rattlesnake Creek carry?

About 15 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is SW 20 ST over Rattlesnake Creek?

The structure is 100 ft (30.5 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns SW 20 ST over Rattlesnake Creek?

It is owned by the County Highway Agency.