US Bridges

SD063 over Bad Rv

Fair

Haakon County, South Dakota · 0.3 S JCT US 14 · Structure no. 000000028423469

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
284 ft
4 main spans
Daily traffic
265
2024 count
Owner
State
State Highway Agency

About this bridge

SD063 over Bad Rv is a steel continuous stringer/multi-beam or girder carrying SD063 over Bad Rv in Haakon County, South Dakota. It was built in 1961, so it is 64 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 265 vehicles a day, roughly 29% of them trucks, projected to reach 377 by 2044. The structure is 284 ft (86.5 m) long and 35 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

Open in Google Maps
CarriesSD063
CrossesBad Rv
Location0.3 S JCT US 14
RouteState Highway 63
CountyHaakon County
StateSouth Dakota
Coordinates44.06731, -101.16106
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length284 ft (86.5 m)
Longest span89 ft (27.2 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2024)
Projected traffic377 by 2044
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SD063 over Bad Rv built?

It was built in 1961, making it 64 years old in 2025.

What condition is SD063 over Bad 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 November 2023.

How much traffic does SD063 over Bad Rv carry?

About 265 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is SD063 over Bad Rv?

The structure is 284 ft (86.5 m) long with a longest span of 89 ft (27.2 m) and a deck 35 ft wide.

Who owns SD063 over Bad Rv?

It is owned by the State Highway Agency.