US Bridges

SD044 over Rapid Ck

Fair

Pennington County, South Dakota · 5.5 SE JCT US 385 · Structure no. 000000052310303

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,995
2024 count
Owner
State
State Highway Agency

About this bridge

SD044 over Rapid Ck is a concrete continuous culvert carrying SD044 over Rapid Ck in Pennington County, South Dakota. It was built in 1958, so it is 67 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 2,995 vehicles a day, roughly 3% of them trucks, projected to reach 4,723 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSD044
CrossesRapid Ck
Location5.5 SE JCT US 385
RouteState Highway 44
Coordinates44.07804, -103.43236
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating36.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,995 (2024)
Projected traffic4,723 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Rapid Ck built?

It was built in 1958, making it 67 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 March 2024.

How much traffic does SD044 over Rapid Ck carry?

About 2,995 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SD044 over Rapid Ck?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m).

Who owns SD044 over Rapid Ck?

It is owned by the State Highway Agency.