US Bridges

214th Street over Silver Creek

PoorPosted for load

Beadle County, South Dakota · 12.2W of Virgil · Structure no. 000000003008240

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

214th Street over Silver Creek is a steel stringer/multi-beam or girder carrying 214th Street over Silver Creek in Beadle County, South Dakota. It was built in 1930, so it is 95 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 4 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 120 vehicles a day, roughly 3% of them trucks, projected to reach 120 by 2032. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries214th Street
CrossesSilver Creek
Location12.2W of Virgil
RouteCounty Highway 0
Coordinates44.28381, -98.68664
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.4 US tons
Inventory rating17.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 214th Street over Silver Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is 214th Street over Silver 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 September 2024.

How much traffic does 214th Street over Silver Creek carry?

About 120 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 214th Street over Silver Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns 214th Street over Silver Creek?

It is owned by the County Highway Agency.