US Bridges

27810 417 Ave. over South Br Dry Ck

Fair

Hutchinson County, South Dakota · 2.1S 7.0E Parkston · Structure no. 000000034130101

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
23
2022 count
Owner
County
County Highway Agency

About this bridge

27810 417 Ave. over South Br Dry Ck is a prestressed concrete tee beam carrying 27810 417 Ave. over South Br Dry Ck in Hutchinson County, South Dakota. It was built in 1976, so it is 49 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 36 ft (10.9 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries27810 417 Ave.
CrossesSouth Br Dry Ck
Location2.1S 7.0E Parkston
RouteCounty Highway 0
Coordinates43.35566, -97.85678
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 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 27810 417 Ave. over South Br Dry Ck built?

It was built in 1976, making it 49 years old in 2025.

What condition is 27810 417 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 27810 417 Ave. over South Br Dry Ck carry?

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

How long is 27810 417 Ave. over South Br Dry Ck?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 23 ft wide.

Who owns 27810 417 Ave. over South Br Dry Ck?

It is owned by the County Highway Agency.