US Bridges

US212 over Belle Fourche Rv

Fair

Butte County, South Dakota · 5.7 E JCT US 85 · Structure no. 000000010156360

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
218 ft
2 main spans
Daily traffic
1,790
2024 count
Owner
State
State Highway Agency

About this bridge

US212 over Belle Fourche Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying US212 over Belle Fourche Rv in Butte County, South Dakota. It was built in 2002, so it is 23 years old, younger 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 1,790 vehicles a day, roughly 12% of them trucks, projected to reach 2,569 by 2044. The structure is 218 ft (66.4 m) long and 43 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesUS212
CrossesBelle Fourche Rv
Location5.7 E JCT US 85
RouteU.S. Route 212
CountyButte County
StateSouth Dakota
Coordinates44.69029, -103.73715
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating64.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length218 ft (66.4 m)
Longest span105 ft (32.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2024)
Projected traffic2,569 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US212 over Belle Fourche Rv built?

It was built in 2002, making it 23 years old in 2025.

What condition is US212 over Belle Fourche Rv 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 October 2024.

How much traffic does US212 over Belle Fourche Rv carry?

About 1,790 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US212 over Belle Fourche Rv?

The structure is 218 ft (66.4 m) long with a longest span of 105 ft (32.1 m) and a deck 43 ft wide.

Who owns US212 over Belle Fourche Rv?

It is owned by the State Highway Agency.