US Bridges

27510 411 Ave. over Pony Ck

FairPosted for load

Hutchinson County, South Dakota · NE Edge Parkston · Structure no. 000000034070071

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

27510 411 Ave. over Pony Ck is a steel stringer/multi-beam or girder carrying 27510 411 Ave. over Pony 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, roughly 2% of them trucks, projected to reach 75 by 2032. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries27510 411 Ave.
CrossesPony Ck
LocationNE Edge Parkston
RouteCounty Highway 0
CountyHutchinson County
StateSouth Dakota
Coordinates43.39837, -97.97654
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating16.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic75 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 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 27510 411 Ave. over Pony Ck built?

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

What condition is 27510 411 Ave. 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 27510 411 Ave. over Pony Ck carry?

About 75 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27510 411 Ave. over Pony Ck?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns 27510 411 Ave. over Pony Ck?

It is owned by the County Highway Agency.