US Bridges

SD042 over Big Sioux Rv

Fair

Minnehaha County, South Dakota · 5.3 E I 229 Interch · Structure no. 000000050266224

Built
1995
30 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
455 ft
4 main spans
Daily traffic
12,742
2024 count
Owner
State
State Highway Agency

About this bridge

SD042 over Big Sioux Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying SD042 over Big Sioux Rv in Minnehaha County, South Dakota. It was built in 1995, so it is 30 years old, younger 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 6 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 12,742 vehicles a day, roughly 12% of them trucks, projected to reach 20,795 by 2044. The structure is 455 ft (138.6 m) long and 47 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesSD042
CrossesBig Sioux Rv
Location5.3 E I 229 Interch
RouteState Highway 42
CountyMinnehaha County
StateSouth Dakota
Coordinates43.52421, -96.59723
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating87.9 US tons
Inventory rating52.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length455 ft (138.6 m)
Longest span116 ft (35.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,742 (2024)
Projected traffic20,795 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 SD042 over Big Sioux Rv built?

It was built in 1995, making it 30 years old in 2025.

What condition is SD042 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 October 2023.

How much traffic does SD042 over Big Sioux Rv carry?

About 12,742 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SD042 over Big Sioux Rv?

The structure is 455 ft (138.6 m) long with a longest span of 116 ft (35.4 m) and a deck 47 ft wide.

Who owns SD042 over Big Sioux Rv?

It is owned by the State Highway Agency.