US Bridges

50th RD over Big Sandy Creek

FairPosted for load

Woodson County, Kansas · 233 1.5E Wo. Co. ST Lake · Structure no. 001040985106040

Built
1956
69 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

50th RD over Big Sandy Creek is a steel continuous stringer/multi-beam or girder carrying 50th RD over Big Sandy Creek in Woodson County, Kansas. It was built in 1956, so it is 69 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 1% of them trucks, projected to reach 24 by 2044. The structure is 127 ft (38.7 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries50th RD
CrossesBig Sandy Creek
Location233 1.5E Wo. Co. ST Lake
RouteCounty Highway 10404
StateKansas
Coordinates37.79239, -95.81347
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length127 ft (38.7 m)
Longest span48 ft (14.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic24 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 50th RD over Big Sandy Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is 50th RD over Big Sandy 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 September 2024.

How much traffic does 50th RD over Big Sandy Creek carry?

About 20 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 50th RD over Big Sandy Creek?

The structure is 127 ft (38.7 m) long with a longest span of 48 ft (14.5 m) and a deck 27 ft wide.

Who owns 50th RD over Big Sandy Creek?

It is owned by the County Highway Agency.