US Bridges

328th Avenue over South Medicine Ck

Fair

Hyde County, South Dakota · 1.2 S Holabird · Structure no. 000000035030262

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
50 ft
2 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

328th Avenue over South Medicine Ck is a concrete stringer/multi-beam or girder carrying 328th Avenue over South Medicine Ck in Hyde County, South Dakota. It was built in 1967, so it is 58 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 90 vehicles a day, roughly 3% of them trucks, projected to reach 90 by 2032. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries328th Avenue
CrossesSouth Medicine Ck
Location1.2 S Holabird
RouteCounty Highway 0
Coordinates44.51021, -99.60344
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$32,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 328th Avenue over South Medicine Ck built?

It was built in 1967, making it 58 years old in 2025.

What condition is 328th Avenue over South Medicine 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 June 2024.

How much traffic does 328th Avenue over South Medicine Ck carry?

About 90 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 328th Avenue over South Medicine Ck?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns 328th Avenue over South Medicine Ck?

It is owned by the County Highway Agency.