US Bridges

SD071 over Ck

Good

Fall River County, South Dakota · 0.5 S JCT Sd 471 · Structure no. 000000024202264

Built
2019
6 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
208
2024 count
Owner
State
State Highway Agency

About this bridge

SD071 over Ck is a concrete continuous culvert carrying SD071 over Ck in Fall River County, South Dakota. It was built in 2019, so it is 6 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 208 vehicles a day, roughly 32% of them trucks, projected to reach 309 by 2044. The structure is 26 ft (8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSD071
CrossesCk
Location0.5 S JCT Sd 471
RouteState Highway 71
Coordinates43.09366, -103.65861
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating107.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2024)
Projected traffic309 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 SD071 over Ck built?

It was built in 2019, making it 6 years old in 2025.

What condition is SD071 over Ck 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 January 2024.

How much traffic does SD071 over Ck carry?

About 208 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is SD071 over Ck?

The structure is 26 ft (8 m) long with a longest span of 13 ft (3.9 m).

Who owns SD071 over Ck?

It is owned by the State Highway Agency.