US Bridges

27850 415 Ave. over South Br Dry Ck

Fair

Hutchinson County, South Dakota · 4E&2.5S Parkston Sd · Structure no. 000000034110105

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

27850 415 Ave. over South Br Dry Ck is a concrete continuous slab carrying 27850 415 Ave. over South Br Dry Ck in Hutchinson County, South Dakota. It was built in 1935, so it is 90 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 36 ft (11.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries27850 415 Ave.
CrossesSouth Br Dry Ck
Location4E&2.5S Parkston Sd
RouteCounty Highway 0
Coordinates43.34776, -97.89653
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11.1 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 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 statusEligible 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 27850 415 Ave. over South Br Dry Ck built?

It was built in 1935, making it 90 years old in 2025.

What condition is 27850 415 Ave. over South Br Dry 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 27850 415 Ave. over South Br Dry Ck carry?

About 69 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27850 415 Ave. over South Br Dry Ck?

The structure is 36 ft (11.1 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns 27850 415 Ave. over South Br Dry Ck?

It is owned by the County Highway Agency.