US Bridges

41750 273 Str. over Pony Ck

Fair

Hutchinson County, South Dakota · 2N & 6.5E Parkston · Structure no. 000000034135050

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

41750 273 Str. over Pony Ck is a concrete continuous culvert carrying 41750 273 Str. over Pony Ck in Hutchinson County, South Dakota. It was built in 1962, so it is 63 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 6 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 78 by 2032. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries41750 273 Str.
CrossesPony Ck
Location2N & 6.5E Parkston
RouteCounty Highway 0
Coordinates43.42781, -97.84489
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic78 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 41750 273 Str. over Pony Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is 41750 273 Str. over Pony 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 41750 273 Str. over Pony Ck carry?

About 50 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 41750 273 Str. over Pony Ck?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns 41750 273 Str. over Pony Ck?

It is owned by the County Highway Agency.