US Bridges

SD028 over Foster Ck

Fair

Spink County, South Dakota · 2.0 E JCT Sd 37 · Structure no. 000000058260420

Built
2013
12 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
302
2024 count
Owner
State
State Highway Agency

About this bridge

SD028 over Foster Ck is a prestressed concrete stringer/multi-beam or girder carrying SD028 over Foster Ck in Spink County, South Dakota. It was built in 2013, so it is 12 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 302 vehicles a day, roughly 35% of them trucks, projected to reach 411 by 2044. The structure is 135 ft (41.1 m) long and 35 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSD028
CrossesFoster Ck
Location2.0 E JCT Sd 37
RouteState Highway 28
Coordinates44.63238, -98.18005
Functional classRural Minor Arterial

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.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating89.1 US tons
Inventory rating39.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span131 ft (39.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic302 (2024)
Projected traffic411 by 2044
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 SD028 over Foster Ck built?

It was built in 2013, making it 12 years old in 2025.

What condition is SD028 over Foster 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 SD028 over Foster Ck carry?

About 302 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is SD028 over Foster Ck?

The structure is 135 ft (41.1 m) long with a longest span of 131 ft (39.9 m) and a deck 35 ft wide.

Who owns SD028 over Foster Ck?

It is owned by the State Highway Agency.