US Bridges

Double R RD over North Fork Sulphur Ck

Fair

Butte County, South Dakota · 11.8 E 13.3 N Newell · Structure no. 000000010428207

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
28
2022 count
Owner
County
County Highway Agency

About this bridge

Double R RD over North Fork Sulphur Ck is a concrete culvert carrying Double R RD over North Fork Sulphur Ck in Butte County, South Dakota. It was built in 1962, so it is 63 years old, older than the South Dakota average of 48.9 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 28 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2032. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesDouble R RD
CrossesNorth Fork Sulphur Ck
Location11.8 E 13.3 N Newell
RouteCounty Highway 0
Coordinates44.91319, -103.18213
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
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2022)
Projected traffic40 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Double R RD over North Fork Sulphur Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is Double R RD over North Fork Sulphur Ck 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 August 2024.

How much traffic does Double R RD over North Fork Sulphur Ck carry?

About 28 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Double R RD over North Fork Sulphur Ck?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Double R RD over North Fork Sulphur Ck?

It is owned by the County Highway Agency.