US Bridges

41870 277 St. over Dry Ck

Fair

Hutchinson County, South Dakota · 7.7 E 1 S Parkston · Structure no. 000000034147090

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

41870 277 St. over Dry Ck is a prestressed concrete tee beam carrying 41870 277 St. over Dry Ck in Hutchinson County, South Dakota. It was built in 1982, so it is 43 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 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 51 ft (15.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries41870 277 St.
CrossesDry Ck
Location7.7 E 1 S Parkston
RouteCounty Highway 0
Coordinates43.3708, -97.82349
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 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 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 41870 277 St. over Dry Ck built?

It was built in 1982, making it 43 years old in 2025.

What condition is 41870 277 St. over 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 41870 277 St. over Dry Ck carry?

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

How long is 41870 277 St. over Dry Ck?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns 41870 277 St. over Dry Ck?

It is owned by the County Highway Agency.