US Bridges

W 57th ST over I029

Fair

Minnehaha County, South Dakota · Intersection 57th & I029 · Structure no. 000000050172240

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
19,400
2023 count
Owner
State
State Highway Agency

About this bridge

W 57th ST over I029 is a prestressed concrete stringer/multi-beam or girder carrying W 57th ST over I029 in Minnehaha County, South Dakota. It was built in 2001, so it is 24 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 19,400 vehicles a day, roughly 8% of them trucks, projected to reach 21,000 by 2043. The structure is 229 ft (69.7 m) long and 69 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesW 57th ST
CrossesI029
LocationIntersection 57th & I029
RouteCity Street 0
CountyMinnehaha County
StateSouth Dakota
Coordinates43.50029, -96.78762
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.4 US tons
Inventory rating61.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length229 ft (69.7 m)
Longest span110 ft (33.5 m)
Deck width69 ft (21.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,400 (2023)
Projected traffic21,000 by 2043
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W 57th ST over I029 built?

It was built in 2001, making it 24 years old in 2025.

What condition is W 57th ST over I029 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 September 2023.

How much traffic does W 57th ST over I029 carry?

About 19,400 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is W 57th ST over I029?

The structure is 229 ft (69.7 m) long with a longest span of 110 ft (33.5 m) and a deck 69 ft wide.

Who owns W 57th ST over I029?

It is owned by the State Highway Agency.