US Bridges

EB E Benson RD over I229

Good

Minnehaha County, South Dakota · Benson RD Interchange · Structure no. 000000050219179

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
2 main spans
Daily traffic
16,048
2023 count
Owner
State
State Highway Agency

About this bridge

EB E Benson RD over I229 is a prestressed concrete stringer/multi-beam or girder carrying EB E Benson RD over I229 in Minnehaha County, South Dakota. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,048 vehicles a day, roughly 5% of them trucks, projected to reach 16,048 by 2043. The structure is 245 ft (74.8 m) long and 48 ft wide.

CarriesEB E Benson RD
CrossesI229
LocationBenson RD Interchange
RouteCity Street 0
Coordinates43.58744, -96.69162
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length245 ft (74.8 m)
Longest span121 ft (37 m)
Deck width48 ft (14.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,048 (2023)
Projected traffic16,048 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-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 EB E Benson RD over I229 built?

It was built in 2023, making it 2 years old in 2025.

What condition is EB E Benson RD 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 April 2024.

How much traffic does EB E Benson RD over I229 carry?

About 16,048 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is EB E Benson RD over I229?

The structure is 245 ft (74.8 m) long with a longest span of 121 ft (37 m) and a deck 48 ft wide.

Who owns EB E Benson RD over I229?

It is owned by the State Highway Agency.