US Bridges

SD044 over Swine Hart Ck

Fair

Pennington County, South Dakota · 9.3 SE of Farmingdale · Structure no. 000000052662416

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
1,472
2024 count
Owner
State
State Highway Agency

About this bridge

SD044 over Swine Hart Ck is a concrete continuous slab carrying SD044 over Swine Hart Ck in Pennington County, South Dakota. It was built in 1964, so it is 61 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 1,472 vehicles a day, roughly 5% of them trucks, projected to reach 2,321 by 2044. The structure is 106 ft (32.4 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSD044
CrossesSwine Hart Ck
Location9.3 SE of Farmingdale
RouteState Highway 44
Coordinates43.91663, -102.73363
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.4 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,472 (2024)
Projected traffic2,321 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SD044 over Swine Hart Ck built?

It was built in 1964, making it 61 years old in 2025.

What condition is SD044 over Swine Hart 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 January 2024.

How much traffic does SD044 over Swine Hart Ck carry?

About 1,472 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SD044 over Swine Hart Ck?

The structure is 106 ft (32.4 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns SD044 over Swine Hart Ck?

It is owned by the State Highway Agency.