US Bridges

US212 over Turtle Ck

Fair

Spink County, South Dakota · 0.3 NW JCT US 281 S · Structure no. 000000058086251

Built
2017
8 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
3 main spans
Daily traffic
1,638
2024 count
Owner
State
State Highway Agency

About this bridge

US212 over Turtle Ck is a prestressed concrete stringer/multi-beam or girder carrying US212 over Turtle Ck in Spink County, South Dakota. It was built in 2017, so it is 8 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 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 1,638 vehicles a day, roughly 20% of them trucks, projected to reach 2,229 by 2044. The structure is 320 ft (97.5 m) long and 49 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

CarriesUS212
CrossesTurtle Ck
Location0.3 NW JCT US 281 S
RouteU.S. Route 212
Coordinates44.87746, -98.52792
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52.6 US tons
Inventory rating40.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length320 ft (97.5 m)
Longest span113 ft (34.4 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,638 (2024)
Projected traffic2,229 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 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 US212 over Turtle Ck built?

It was built in 2017, making it 8 years old in 2025.

What condition is US212 over Turtle 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 May 2024.

How much traffic does US212 over Turtle Ck carry?

About 1,638 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US212 over Turtle Ck?

The structure is 320 ft (97.5 m) long with a longest span of 113 ft (34.4 m) and a deck 49 ft wide.

Who owns US212 over Turtle Ck?

It is owned by the State Highway Agency.