US Bridges

SD073 over Bad Rv

Fair

Haakon County, South Dakota · 0.6 S JCT US 14 · Structure no. 000000028171492

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
209 ft
5 main spans
Daily traffic
637
2024 count
Owner
State
State Highway Agency

About this bridge

SD073 over Bad Rv is a concrete continuous slab carrying SD073 over Bad Rv in Haakon County, South Dakota. It was built in 1963, so it is 62 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 637 vehicles a day, roughly 26% of them trucks, projected to reach 905 by 2044. The structure is 209 ft (63.7 m) long and 39 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesSD073
CrossesBad Rv
Location0.6 S JCT US 14
RouteState Highway 73
Coordinates44.03652, -101.66546
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 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 rating71.8 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span42 ft (12.9 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic637 (2024)
Projected traffic905 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed44.7 mi (72 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 SD073 over Bad Rv built?

It was built in 1963, making it 62 years old in 2025.

What condition is SD073 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 May 2024.

How much traffic does SD073 over Bad Rv carry?

About 637 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is SD073 over Bad Rv?

The structure is 209 ft (63.7 m) long with a longest span of 42 ft (12.9 m) and a deck 39 ft wide.

Who owns SD073 over Bad Rv?

It is owned by the State Highway Agency.