US Bridges

SD050 over West Br Emanuel Ck

Fair

Bon Homme County, South Dakota · 0.3 E JCT Sd 37 North · Structure no. 000000005103120

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
2,498
2024 count
Owner
State
State Highway Agency

About this bridge

SD050 over West Br Emanuel Ck is a concrete continuous slab carrying SD050 over West Br Emanuel Ck in Bon Homme County, South Dakota. It was built in 1960, so it is 65 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 2,498 vehicles a day, roughly 22% of them trucks, projected to reach 3,670 by 2044. The structure is 99 ft (30.3 m) long and 34 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesSD050
CrossesWest Br Emanuel Ck
Location0.3 E JCT Sd 37 North
RouteState Highway 50
Coordinates42.99566, -97.96452
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length99 ft (30.3 m)
Longest span35 ft (10.8 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,498 (2024)
Projected traffic3,670 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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 over West Br Emanuel Ck built?

It was built in 1960, making it 65 years old in 2025.

What condition is SD050 over West Br Emanuel Ck 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 August 2024.

How much traffic does SD050 over West Br Emanuel Ck carry?

About 2,498 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is SD050 over West Br Emanuel Ck?

The structure is 99 ft (30.3 m) long with a longest span of 35 ft (10.8 m) and a deck 34 ft wide.

Who owns SD050 over West Br Emanuel Ck?

It is owned by the State Highway Agency.