US Bridges

Elk Ck RD (fas) over I090

FairPosted for load

Meade County, South Dakota · S Piedmont Interchange · Structure no. 000000047098563

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
4 main spans
Daily traffic
2,392
2023 count
Owner
State
State Highway Agency

About this bridge

Elk Ck RD (fas) over I090 is a steel continuous stringer/multi-beam or girder carrying Elk Ck RD (fas) over I090 in Meade County, South Dakota. It was built in 1957, so it is 68 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,392 vehicles a day, roughly 3% of them trucks, projected to reach 2,392 by 2043. The structure is 290 ft (88.5 m) long and 26 ft wide.

Location

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CarriesElk Ck RD (fas)
CrossesI090
LocationS Piedmont Interchange
RouteCounty Highway 0
CountyMeade County
StateSouth Dakota
Coordinates44.22402, -103.37732
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.6 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length290 ft (88.5 m)
Longest span102 ft (31.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,392 (2023)
Projected traffic2,392 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Elk Ck RD (fas) over I090 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Elk Ck RD (fas) over I090 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 2024.

How much traffic does Elk Ck RD (fas) over I090 carry?

About 2,392 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Elk Ck RD (fas) over I090?

The structure is 290 ft (88.5 m) long with a longest span of 102 ft (31.1 m) and a deck 26 ft wide.

Who owns Elk Ck RD (fas) over I090?

It is owned by the State Highway Agency.