US Bridges

217th Street over S. Fork of Pearl Creek

PoorPosted for load

Beadle County, South Dakota · 2.9E & 9S of Cavour · Structure no. 000000003359270

Built
1930
95 years old, rebuilt 1958
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
56
2022 count
Owner
County
County Highway Agency

About this bridge

217th Street over S. Fork of Pearl Creek is a steel stringer/multi-beam or girder carrying 217th Street over S. Fork of Pearl Creek in Beadle County, South Dakota. It was built in 1930 and reconstructed in 1958, 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 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2032. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries217th Street
CrossesS. Fork of Pearl Creek
Location2.9E & 9S of Cavour
Coordinates44.2382, -97.97406
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.1 US tons
Inventory rating14.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 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 closed6.2 mi (10 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$907,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 217th Street over S. Fork of Pearl Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1958.

What condition is 217th 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 217th Street over S. Fork of Pearl Creek carry?

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

How long is 217th Street over S. Fork of Pearl Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.

Who owns 217th Street over S. Fork of Pearl Creek?

It is owned by the County Highway Agency.