US Bridges

SD044 over Cheyenne Rv

Fair

Pennington County, South Dakota · 14.2 SE of Farmingdale · Structure no. 00000005270842A

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
794 ft
7 main spans
Daily traffic
1,189
2024 count
Owner
State
State Highway Agency

About this bridge

SD044 over Cheyenne Rv is a steel continuous stringer/multi-beam or girder carrying SD044 over Cheyenne Rv in Pennington County, South Dakota. It was built in 1962, so it is 63 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 1,189 vehicles a day, roughly 5% of them trucks, projected to reach 1,875 by 2044. The structure is 794 ft (242 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSD044
CrossesCheyenne Rv
Location14.2 SE of Farmingdale
RouteState Highway 44
CountyPennington County
StateSouth Dakota
Coordinates43.89655, -102.64221
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length794 ft (242 m)
Longest span120 ft (36.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,189 (2024)
Projected traffic1,875 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$550,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD044 over Cheyenne Rv built?

It was built in 1962, making it 63 years old in 2025.

What condition is SD044 over Cheyenne Rv 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 April 2024.

How much traffic does SD044 over Cheyenne Rv carry?

About 1,189 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SD044 over Cheyenne Rv?

The structure is 794 ft (242 m) long with a longest span of 120 ft (36.6 m) and a deck 32 ft wide.

Who owns SD044 over Cheyenne Rv?

It is owned by the State Highway Agency.