US Bridges

NW 50 ST over Rattlesnake Creek

FairPosted for load

Stafford County, Kansas · 2.0N 1.2W of St. John · Structure no. 000930663905720

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
5 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

NW 50 ST over Rattlesnake Creek is a steel continuous stringer/multi-beam or girder carrying NW 50 ST over Rattlesnake Creek in Stafford County, Kansas. It was built in 1960, so it is 65 years old, older 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2044. The structure is 140 ft (42.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 50 ST
CrossesRattlesnake Creek
Location2.0N 1.2W of St. John
RouteCounty Highway 0
StateKansas
Coordinates38.02865, -98.76914
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.3 US tons
Inventory rating12.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length140 ft (42.8 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2019)
Projected traffic25 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 50 ST over Rattlesnake Creek built?

It was built in 1960, making it 65 years old in 2025.

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

About 20 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is NW 50 ST over Rattlesnake Creek?

The structure is 140 ft (42.8 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns NW 50 ST over Rattlesnake Creek?

It is owned by the County Highway Agency.