US Bridges

E 6th ST over I229

Good

Minnehaha County, South Dakota · 6th ST Overhead · Structure no. 000000050219205

Built
1992
33 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
190 ft
2 main spans
Daily traffic
13,170
2023 count
Owner
State
State Highway Agency

About this bridge

E 6th ST over I229 is a prestressed concrete continuous stringer/multi-beam or girder carrying E 6th ST over I229 in Minnehaha County, South Dakota. It was built in 1992, so it is 33 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 13,170 vehicles a day, roughly 5% of them trucks, projected to reach 13,170 by 2043. The structure is 190 ft (57.8 m) long and 66 ft wide.

CarriesE 6th ST
CrossesI229
Location6th ST Overhead
RouteCity Street 0
Coordinates43.55121, -96.69345
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 inspectionFebruary 2025
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 alignment7: Better than present minimum criteria
Operating rating84.4 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length190 ft (57.8 m)
Longest span94 ft (28.5 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,170 (2023)
Projected traffic13,170 by 2043
Trucks5%
Lanes on structure2
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 E 6th ST over I229 built?

It was built in 1992, making it 33 years old in 2025.

What condition is E 6th ST over I229 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 February 2025.

How much traffic does E 6th ST over I229 carry?

About 13,170 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is E 6th ST over I229?

The structure is 190 ft (57.8 m) long with a longest span of 94 ft (28.5 m) and a deck 66 ft wide.

Who owns E 6th ST over I229?

It is owned by the State Highway Agency.