US Bridges

21st over Stone House Creek

FairPosted for load

Jefferson County, Kansas · 1.0N of Williamstown · Structure no. 000441035204265

Built
1983
42 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
75 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

21st over Stone House Creek is a steel continuous stringer/multi-beam or girder carrying 21st over Stone House Creek in Jefferson County, Kansas. It was built in 1983 and reconstructed in 2000, so it is 42 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 5 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 15 vehicles a day, projected to reach 25 by 2040. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries21st
CrossesStone House Creek
Location1.0N of Williamstown
RouteCounty Highway 0
StateKansas
Coordinates39.08011, -95.33235
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span25 ft (7.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2022)
Projected traffic25 by 2040
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$410,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 21st over Stone House Creek built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2000.

What condition is 21st over Stone House 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 21st over Stone House Creek carry?

About 15 vehicles per day (2022 count).

How long is 21st over Stone House Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.7 m) and a deck 16 ft wide.

Who owns 21st over Stone House Creek?

It is owned by the County Highway Agency.