US Bridges

478 Ave (fas 1157) over I090

Good

Minnehaha County, South Dakota · 2 E I 229 Interchange · Structure no. 000000050240165

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
2 main spans
Daily traffic
2,533
2023 count
Owner
State
State Highway Agency

About this bridge

478 Ave (fas 1157) over I090 is a prestressed concrete stringer/multi-beam or girder carrying 478 Ave (fas 1157) over I090 in Minnehaha County, South Dakota. It was built in 2019, so it is 6 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,533 vehicles a day, roughly 3% of them trucks, projected to reach 2,533 by 2043. The structure is 191 ft (58.2 m) long and 193 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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Carries478 Ave (fas 1157)
CrossesI090
Location2 E I 229 Interchange
RouteCounty Highway 100
CountyMinnehaha County
StateSouth Dakota
Coordinates43.60891, -96.65163
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length191 ft (58.2 m)
Longest span94 ft (28.8 m)
Deck width193 ft (58.7 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,533 (2023)
Projected traffic2,533 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 478 Ave (fas 1157) over I090 built?

It was built in 2019, making it 6 years old in 2025.

What condition is 478 Ave (fas 1157) over I090 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does 478 Ave (fas 1157) over I090 carry?

About 2,533 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is 478 Ave (fas 1157) over I090?

The structure is 191 ft (58.2 m) long with a longest span of 94 ft (28.8 m) and a deck 193 ft wide.

Who owns 478 Ave (fas 1157) over I090?

It is owned by the State Highway Agency.