US Bridges

41920 275 Str. over Dry Ck

Fair

Hutchinson County, South Dakota · 9 E Parkston S.D. · Structure no. 000000034152070

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

41920 275 Str. over Dry Ck is a steel stringer/multi-beam or girder carrying 41920 275 Str. over Dry Ck in Hutchinson 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 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 26 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2032. The structure is 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries41920 275 Str.
CrossesDry Ck
Location9 E Parkston S.D.
RouteCounty Highway 0
Coordinates43.39966, -97.8138
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span29 ft (8.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic30 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 41920 275 Str. over Dry Ck built?

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

What condition is 41920 275 Str. over Dry Ck 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 May 2024.

How much traffic does 41920 275 Str. over Dry Ck carry?

About 26 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 41920 275 Str. over Dry Ck?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.9 m) and a deck 26 ft wide.

Who owns 41920 275 Str. over Dry Ck?

It is owned by the County Highway Agency.