US Bridges

I090 Ef over Elk Ck

Good

Meade County, South Dakota · 2.2 N of Exit 44 · Structure no. 000000047078533

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
279 ft
5 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

I090 Ef over Elk Ck is a concrete continuous slab carrying I090 Ef over Elk Ck in Meade County, South Dakota. It was built in 2016, so it is 9 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 700 vehicles a day, roughly 9% of them trucks, projected to reach 1,045 by 2043. The structure is 279 ft (85 m) long and 37 ft wide.

CarriesI090 Ef
CrossesElk Ck
Location2.2 N of Exit 44
RouteInterstate 90
Coordinates44.26752, -103.4175
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating69.6 US tons
Inventory rating53.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length279 ft (85 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,045 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I090 Ef over Elk Ck built?

It was built in 2016, making it 9 years old in 2025.

What condition is I090 Ef over Elk Ck 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 I090 Ef over Elk Ck carry?

About 700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I090 Ef over Elk Ck?

The structure is 279 ft (85 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns I090 Ef over Elk Ck?

It is owned by the State Highway Agency.