US Bridges

SD044 over Rapid Ck

Fair

Pennington County, South Dakota · 4.1 SW JCT Sd 231 · Structure no. 000000052371320

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
5,920
2024 count
Owner
State
State Highway Agency

About this bridge

SD044 over Rapid Ck is a steel continuous stringer/multi-beam or girder 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 5,920 vehicles a day, roughly 4% of them trucks, projected to reach 8,140 by 2044. The structure is 147 ft (44.7 m) long and 65 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSD044
CrossesRapid Ck
Location4.1 SW JCT Sd 231
RouteState Highway 44
Coordinates44.05277, -103.31132
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.5 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.7 m)
Longest span55 ft (16.8 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,920 (2024)
Projected traffic8,140 by 2044
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 proposedNone recorded
Estimated improvement cost—
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 March 2023.

How much traffic does SD044 over Rapid Ck carry?

About 5,920 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SD044 over Rapid Ck?

The structure is 147 ft (44.7 m) long with a longest span of 55 ft (16.8 m) and a deck 65 ft wide.

Who owns SD044 over Rapid Ck?

It is owned by the State Highway Agency.