US Bridges

SW 50 ST over Rattlesnake Creek

Fair

Stafford County, Kansas · 6.0S 1.3E of Dillwyn · Structure no. 000000000930170

Built
1986
39 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
4 main spans
Daily traffic
30
2021 count
Owner
County
County Highway Agency

About this bridge

SW 50 ST over Rattlesnake Creek is a steel continuous stringer/multi-beam or girder carrying SW 50 ST over Rattlesnake Creek in Stafford 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 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 121 ft (36.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSW 50 ST
CrossesRattlesnake Creek
Location6.0S 1.3E of Dillwyn
RouteCounty Highway 637
CountyStafford County
StateKansas
Coordinates37.88354, -98.85148
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating77.4 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans4
Design loadUnknown
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 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 traffic30 (2021)
Projected traffic35 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 50 ST over Rattlesnake Creek built?

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

What condition is SW 50 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 50 ST over Rattlesnake Creek carry?

About 30 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SW 50 ST over Rattlesnake Creek?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns SW 50 ST over Rattlesnake Creek?

It is owned by the County Highway Agency.