US Bridges

RD 30 over South Br Rattlesnake Crk

Good

Kiowa County, Kansas · 4.7N of Greensburg · Structure no. 000490605506183

Built
1991
34 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

RD 30 over South Br Rattlesnake Crk is a concrete continuous slab carrying RD 30 over South Br Rattlesnake Crk in Kiowa County, Kansas. It was built in 1991, so it is 34 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2046. The structure is 122 ft (37.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRD 30
CrossesSouth Br Rattlesnake Crk
Location4.7N of Greensburg
RouteCounty Highway 0
StateKansas
Coordinates37.6846, -99.29552
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 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 traffic40 (2021)
Projected traffic50 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 RD 30 over South Br Rattlesnake Crk built?

It was built in 1991, making it 34 years old in 2025.

What condition is RD 30 over South Br Rattlesnake Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does RD 30 over South Br Rattlesnake Crk carry?

About 40 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RD 30 over South Br Rattlesnake Crk?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns RD 30 over South Br Rattlesnake Crk?

It is owned by the County Highway Agency.