US Bridges

220th over Elk Ck

FairPosted for load

Meade County, South Dakota · 14S 21.9E of Sturgis · Structure no. 000000047249570

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
3 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

220th over Elk Ck is a steel stringer/multi-beam or girder carrying 220th over Elk Ck in Meade County, South Dakota. It was built in 1950 and reconstructed in 1994, so it is 75 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 77 ft (23.5 m) long and 22 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Carries220th
CrossesElk Ck
Location14S 21.9E of Sturgis
RouteCounty Highway 0
Coordinates44.21306, -103.07265
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.3 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 220th over Elk Ck built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is 220th over Elk Ck 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 July 2024.

How much traffic does 220th over Elk Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 220th over Elk Ck?

The structure is 77 ft (23.5 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns 220th over Elk Ck?

It is owned by the County Highway Agency.