US Bridges

RD N over Trib. W. Fk. Rattlesnake

FairPosted for load

Kiowa County, Kansas · 3.0S 3.4W of Mullinville · Structure no. 000490579206380

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

RD N over Trib. W. Fk. Rattlesnake is a concrete culvert carrying RD N over Trib. W. Fk. Rattlesnake in Kiowa County, Kansas. It was built in 1950, so it is 75 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 80 vehicles a day, roughly 5% of them trucks, projected to reach 90 by 2046. The structure is 21 ft (6.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRD N
CrossesTrib. W. Fk. Rattlesnake
Location3.0S 3.4W of Mullinville
RouteCounty Highway 0
StateKansas
Coordinates37.54166, -99.53749
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 alignment7: Better than present minimum criteria
Operating rating13 US tons
Inventory rating13 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2021)
Projected traffic90 by 2046
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was RD N over Trib. W. Fk. Rattlesnake built?

It was built in 1950, making it 75 years old in 2025.

What condition is RD N over Trib. W. Fk. Rattlesnake 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 December 2024.

How much traffic does RD N over Trib. W. Fk. Rattlesnake carry?

About 80 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RD N over Trib. W. Fk. Rattlesnake?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns RD N over Trib. W. Fk. Rattlesnake?

It is owned by the County Highway Agency.