US Bridges

SD044 over Rapid Ck

Fair

Pennington County, South Dakota · 4.2 SW JCT Sd 231 · Structure no. 000000052369321

Built
1967
58 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
3,690
2023 count
Owner
State
State Highway Agency

About this bridge

SD044 over Rapid Ck is a concrete continuous slab carrying SD044 over Rapid Ck in Pennington County, South Dakota. It was built in 1967, so it is 58 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 5 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 3,690 vehicles a day, roughly 4% of them trucks, projected to reach 6,428 by 2043. The structure is 116 ft (35.4 m) long and 90 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSD044
CrossesRapid Ck
Location4.2 SW JCT Sd 231
RouteState Highway 44
Coordinates44.05114, -103.31326
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.1 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span43 ft (13.1 m)
Deck width90 ft (27.3 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2023)
Projected traffic6,428 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$500,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD044 over Rapid Ck built?

It was built in 1967, making it 58 years old in 2025.

What condition is SD044 over Rapid 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 February 2025.

How much traffic does SD044 over Rapid Ck carry?

About 3,690 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SD044 over Rapid Ck?

The structure is 116 ft (35.4 m) long with a longest span of 43 ft (13.1 m) and a deck 90 ft wide.

Who owns SD044 over Rapid Ck?

It is owned by the State Highway Agency.