US Bridges

212th Street over S. Fork of Pearl Creek

PoorPosted for load

Beadle County, South Dakota · 4S & 0.9W of Iroquois · Structure no. 000000003411220

Built
1922
103 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
56
2022 count
Owner
County
County Highway Agency

About this bridge

212th Street over S. Fork of Pearl Creek is a steel stringer/multi-beam or girder carrying 212th Street over S. Fork of Pearl Creek in Beadle County, South Dakota. It was built in 1922, so it is 103 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2032. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries212th Street
CrossesS. Fork of Pearl Creek
Location4S & 0.9W of Iroquois
Coordinates44.31072, -97.86856
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating11.6 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2022)
Projected traffic56 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$797,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 212th Street over S. Fork of Pearl Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is 212th Street over S. Fork of Pearl Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does 212th Street over S. Fork of Pearl Creek carry?

About 56 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 212th Street over S. Fork of Pearl Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns 212th Street over S. Fork of Pearl Creek?

It is owned by the County Highway Agency.