US Bridges

SD050 W over James Rv

Fair

Yankton County, South Dakota · 6.2 E JCT US 81 · Structure no. 000000068180199

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
328 ft
3 main spans
Daily traffic
2,857
2024 count
Owner
State
State Highway Agency

About this bridge

SD050 W over James Rv is a steel continuous stringer/multi-beam or girder carrying SD050 W over James Rv in Yankton County, South Dakota. It was built in 1976, so it is 49 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 2,857 vehicles a day, roughly 14% of them trucks, projected to reach 4,297 by 2044. The structure is 328 ft (100.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSD050 W
CrossesJames Rv
Location6.2 E JCT US 81
RouteState Highway 50
Coordinates42.88037, -97.27861
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length328 ft (100.1 m)
Longest span124 ft (37.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,857 (2024)
Projected traffic4,297 by 2044
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SD050 W over James Rv built?

It was built in 1976, making it 49 years old in 2025.

What condition is SD050 W over James 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 2024.

How much traffic does SD050 W over James Rv carry?

About 2,857 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SD050 W over James Rv?

The structure is 328 ft (100.1 m) long with a longest span of 124 ft (37.8 m) and a deck 43 ft wide.

Who owns SD050 W over James Rv?

It is owned by the State Highway Agency.