US Bridges

SD022 over Big Sioux Rv

Fair

Hamlin County, South Dakota · 3.2 E JCT US 81 · Structure no. 000000029222050

Built
1957
68 years old, rebuilt 2001
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
5 main spans
Daily traffic
1,096
2024 count
Owner
State
State Highway Agency

About this bridge

SD022 over Big Sioux Rv is a steel continuous stringer/multi-beam or girder carrying SD022 over Big Sioux Rv in Hamlin County, South Dakota. It was built in 1957 and reconstructed in 2001, so it is 68 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 1,096 vehicles a day, roughly 13% of them trucks, projected to reach 1,649 by 2044. The structure is 254 ft (77.3 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSD022
CrossesBig Sioux Rv
Location3.2 E JCT US 81
RouteState Highway 22
CountyHamlin County
StateSouth Dakota
Coordinates44.73156, -97.04363
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length254 ft (77.3 m)
Longest span64 ft (19.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,096 (2024)
Projected traffic1,649 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SD022 over Big Sioux Rv built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2001.

What condition is SD022 over Big Sioux 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 August 2023.

How much traffic does SD022 over Big Sioux Rv carry?

About 1,096 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SD022 over Big Sioux Rv?

The structure is 254 ft (77.3 m) long with a longest span of 64 ft (19.5 m) and a deck 35 ft wide.

Who owns SD022 over Big Sioux Rv?

It is owned by the State Highway Agency.