US Bridges

44970 287th St. over Ck

FairPosted for load

Turner County, South Dakota · 4N & 6.3W Viborg · Structure no. 000000063097190

Built
2002
23 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

44970 287th St. over Ck is a steel stringer/multi-beam or girder carrying 44970 287th St. over Ck in Turner County, South Dakota. It was built in 2002, so it is 23 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 46 ft (14.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries44970 287th St.
CrossesCk
Location4N & 6.3W Viborg
RouteCounty Highway 0
Coordinates43.22764, -97.20942
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.2 US tons
Inventory rating21.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length46 ft (14.1 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost$23,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 44970 287th St. over Ck built?

It was built in 2002, making it 23 years old in 2025.

What condition is 44970 287th St. over 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 2024.

How much traffic does 44970 287th St. over Ck carry?

About 50 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 44970 287th St. over Ck?

The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns 44970 287th St. over Ck?

It is owned by the County Highway Agency.