US Bridges

181st RD over Shellrock Stream

FairPosted for load

Cowley County, Kansas · 4.0E 2.8S of Silverdale · Structure no. 000180877007128

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

181st RD over Shellrock Stream is a concrete continuous slab carrying 181st RD over Shellrock Stream in Cowley County, Kansas. It was built in 1959, so it is 66 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 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 5 vehicles a day, roughly 5% of them trucks, projected to reach 5 by 2044. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries181st RD
CrossesShellrock Stream
Location4.0E 2.8S of Silverdale
RouteCounty Highway 0
StateKansas
Coordinates37.00082, -96.82269
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.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2018)
Projected traffic5 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 181st RD over Shellrock Stream built?

It was built in 1959, making it 66 years old in 2025.

What condition is 181st RD over Shellrock Stream 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 January 2024.

How much traffic does 181st RD over Shellrock Stream carry?

About 5 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 181st RD over Shellrock Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m) and a deck 27 ft wide.

Who owns 181st RD over Shellrock Stream?

It is owned by the County Highway Agency.