US Bridges

SD050 E over James Rv

Good

Yankton County, South Dakota · 6.2 E JCT US 81 · Structure no. 000000068180200

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
3 main spans
Daily traffic
2,857
2024 count
Owner
State
State Highway Agency

About this bridge

SD050 E over James Rv is a steel continuous stringer/multi-beam or girder carrying SD050 E over James Rv in Yankton County, South Dakota. It was built in 1985, so it is 40 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,857 vehicles a day, roughly 14% of them trucks, projected to reach 4,297 by 2044. The structure is 326 ft (99.4 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSD050 E
CrossesJames Rv
Location6.2 E JCT US 81
RouteState Highway 50
Coordinates42.88008, -97.27876
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length326 ft (99.4 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 E over James Rv built?

It was built in 1985, making it 40 years old in 2025.

What condition is SD050 E over James Rv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SD050 E over James Rv carry?

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

How long is SD050 E over James Rv?

The structure is 326 ft (99.4 m) long with a longest span of 124 ft (37.8 m) and a deck 43 ft wide.

Who owns SD050 E over James Rv?

It is owned by the State Highway Agency.