US Bridges

US083 over Bad Rv

Fair

Stanley County, South Dakota · Within Fort Pierre · Structure no. 000000059398295

Built
1956
69 years old, rebuilt 1987
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
434 ft
4 main spans
Daily traffic
6,040
2024 count
Owner
State
State Highway Agency

About this bridge

US083 over Bad Rv is a steel continuous stringer/multi-beam or girder carrying US083 over Bad Rv in Stanley County, South Dakota. It was built in 1956 and reconstructed in 1987, so it is 69 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 6,040 vehicles a day, roughly 9% of them trucks, projected to reach 8,734 by 2044. The structure is 434 ft (132.3 m) long and 57 ft wide. If it were closed, the detour would be 83.9 mi (135 km).

CarriesUS083
CrossesBad Rv
LocationWithin Fort Pierre
RouteU.S. Route 83
Coordinates44.35121, -100.37302
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.6 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length434 ft (132.3 m)
Longest span120 ft (36.6 m)
Deck width57 ft (17.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,040 (2024)
Projected traffic8,734 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed83.9 mi (135 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 US083 over Bad Rv built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is US083 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 July 2024.

How much traffic does US083 over Bad Rv carry?

About 6,040 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US083 over Bad Rv?

The structure is 434 ft (132.3 m) long with a longest span of 120 ft (36.6 m) and a deck 57 ft wide.

Who owns US083 over Bad Rv?

It is owned by the State Highway Agency.