US Bridges

SW 30 RD over Stream

Fair

Barton County, Kansas · 3.5N of Pawnee Rock · Structure no. 000000000050780

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
155
2022 count
Owner
County
County Highway Agency

About this bridge

SW 30 RD over Stream is a concrete culvert carrying SW 30 RD over Stream in Barton 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 155 vehicles a day, roughly 10% of them trucks, projected to reach 155 by 2043. The structure is 44 ft (13.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 30 RD
CrossesStream
Location3.5N of Pawnee Rock
RouteCounty Highway 1730
StateKansas
Coordinates38.31931, -98.97414
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length44 ft (13.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic155 (2022)
Projected traffic155 by 2043
Trucks10%
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 SW 30 RD over Stream built?

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

What condition is SW 30 RD over 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 March 2023.

How much traffic does SW 30 RD over Stream carry?

About 155 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SW 30 RD over Stream?

The structure is 44 ft (13.3 m) long with a longest span of 8 ft (2.4 m).

Who owns SW 30 RD over Stream?

It is owned by the County Highway Agency.