US Bridges

W 49th ST over I029

Fair

Minnehaha County, South Dakota · 0.5 SW 41st Interch · Structure no. 000000050173235

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
328 ft
4 main spans
Daily traffic
11,280
2023 count
Owner
State
State Highway Agency

About this bridge

W 49th ST over I029 is a prestressed concrete continuous stringer/multi-beam or girder carrying W 49th ST over I029 in Minnehaha County, South Dakota. It was built in 1981, so it is 44 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 11,280 vehicles a day, roughly 5% of them trucks, projected to reach 14,505 by 2043. The structure is 328 ft (100 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW 49th ST
CrossesI029
Location0.5 SW 41st Interch
RouteCity Street 0
CountyMinnehaha County
StateSouth Dakota
Coordinates43.50757, -96.78274
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length328 ft (100 m)
Longest span95 ft (29 m)
Deck width60 ft (18.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,280 (2023)
Projected traffic14,505 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 49th ST over I029 built?

It was built in 1981, making it 44 years old in 2025.

What condition is W 49th 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 49th ST over I029 carry?

About 11,280 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is W 49th ST over I029?

The structure is 328 ft (100 m) long with a longest span of 95 ft (29 m) and a deck 60 ft wide.

Who owns W 49th ST over I029?

It is owned by the State Highway Agency.