US Bridges

193rd Street over Pearl Creek

Fair

Beadle County, South Dakota · 15N & 4.2W of Iroquois · Structure no. 000000003378030

Built
1928
97 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
56
2022 count
Owner
County
County Highway Agency

About this bridge

193rd Street over Pearl Creek is a concrete continuous slab carrying 193rd Street over Pearl Creek in Beadle County, South Dakota. It was built in 1928, so it is 97 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.

It carries about 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2032. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries193rd Street
CrossesPearl Creek
Location15N & 4.2W of Iroquois
Coordinates44.58801, -97.9418
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 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 closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 193rd Street over Pearl Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is 193rd Street over Pearl Creek 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 August 2023.

How much traffic does 193rd Street over Pearl Creek carry?

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

How long is 193rd Street over Pearl Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 22 ft wide.

Who owns 193rd Street over Pearl Creek?

It is owned by the County Highway Agency.