US Bridges

27357 414 Ave. over Pony Ck

Fair

Hutchinson County, South Dakota · 1.3N 3E NE Cor. Parkston · Structure no. 000000034100057

Built
1955
70 years old, rebuilt 1985
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
2 main spans
Daily traffic
23
2022 count
Owner
County
County Highway Agency

About this bridge

27357 414 Ave. over Pony Ck is a steel stringer/multi-beam or girder carrying 27357 414 Ave. over Pony Ck in Hutchinson County, South Dakota. It was built in 1955 and reconstructed in 1985, so it is 70 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 23 vehicles a day, roughly 2% of them trucks, projected to reach 23 by 2032. The structure is 32 ft (9.8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries27357 414 Ave.
CrossesPony Ck
Location1.3N 3E NE Cor. Parkston
RouteCounty Highway 0
CountyHutchinson County
StateSouth Dakota
Coordinates43.41849, -97.91721
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 statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2022)
Projected traffic23 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 27357 414 Ave. over Pony Ck built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1985.

What condition is 27357 414 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 27357 414 Ave. over Pony Ck carry?

About 23 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27357 414 Ave. over Pony Ck?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 23 ft wide.

Who owns 27357 414 Ave. over Pony Ck?

It is owned by the County Highway Agency.