US Bridges

208th ST over South Fork Pearl Ck

Poor

Kingsbury County, South Dakota · Osewago St. Iroquis · Structure no. 000000039004120

Built
1933
92 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
913
2022 count
Owner
County
County Highway Agency

About this bridge

208th ST over South Fork Pearl Ck is a concrete culvert carrying 208th ST over South Fork Pearl Ck in Kingsbury County, South Dakota. It was built in 1933, so it is 92 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.

It carries about 913 vehicles a day, roughly 2% of them trucks, projected to reach 913 by 2036. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries208th ST
CrossesSouth Fork Pearl Ck
LocationOsewago St. Iroquis
RouteCounty Highway 0
Coordinates44.36825, -97.84677
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating22.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic913 (2022)
Projected traffic913 by 2036
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$324,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 208th ST over South Fork Pearl Ck built?

It was built in 1933, making it 92 years old in 2025.

What condition is 208th ST over South Fork Pearl Ck 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 July 2024.

How much traffic does 208th ST over South Fork Pearl Ck carry?

About 913 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 208th ST over South Fork Pearl Ck?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).

Who owns 208th ST over South Fork Pearl Ck?

It is owned by the County Highway Agency.