US Bridges

41st ST over I029

Good

Minnehaha County, South Dakota · 41st Interchange · Structure no. 000000050175230

Built
1979
46 years old, rebuilt 2024
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
2 main spans
Daily traffic
31,921
2023 count
Owner
State
State Highway Agency

About this bridge

41st ST over I029 is a steel continuous stringer/multi-beam or girder carrying 41st ST over I029 in Minnehaha County, South Dakota. It was built in 1979 and reconstructed in 2024, so it is 46 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 31,921 vehicles a day, roughly 1% of them trucks, projected to reach 31,921 by 2043. The structure is 242 ft (73.8 m) long and 101 ft wide.

Carries41st ST
CrossesI029
Location41st Interchange
RouteCity Street 0
Coordinates43.51486, -96.78
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length242 ft (73.8 m)
Longest span124 ft (37.8 m)
Deck width101 ft (30.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,921 (2023)
Projected traffic31,921 by 2043
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 41st ST over I029 built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2024.

What condition is 41st ST over I029 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 June 2024.

How much traffic does 41st ST over I029 carry?

About 31,921 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is 41st ST over I029?

The structure is 242 ft (73.8 m) long with a longest span of 124 ft (37.8 m) and a deck 101 ft wide.

Who owns 41st ST over I029?

It is owned by the State Highway Agency.