US Bridges

Town Street over Pony Ck

Fair

Hutchinson County, South Dakota · Maple ST Parkston · Structure no. 000000034063071

Built
2011
14 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
61
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Town Street over Pony Ck is a concrete slab carrying Town Street over Pony Ck in Hutchinson County, South Dakota. It was built in 2011, so it is 14 years old, younger 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 61 vehicles a day, roughly 2% of them trucks, projected to reach 100 by 2032. The structure is 32 ft (9.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTown Street
CrossesPony Ck
LocationMaple ST Parkston
RouteCity Street 0
Coordinates43.39673, -97.98983
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span28 ft (8.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2022)
Projected traffic100 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Town Street over Pony Ck built?

It was built in 2011, making it 14 years old in 2025.

What condition is Town Street 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 September 2023.

How much traffic does Town Street over Pony Ck carry?

About 61 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Town Street over Pony Ck?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.4 m) and a deck 39 ft wide.

Who owns Town Street over Pony Ck?

It is owned by the Town or Township Highway Agency.