US Bridges

44790 285th ST over Turkey Ridge Ck

Fair

Turner County, South Dakota · 11S & 0.9E Marion · Structure no. 000000063079170

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

About this bridge

44790 285th ST over Turkey Ridge Ck is a steel continuous stringer/multi-beam or girder carrying 44790 285th ST over Turkey Ridge 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 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries44790 285th ST
CrossesTurkey Ridge Ck
Location11S & 0.9E Marion
RouteCounty Highway 0
Coordinates43.25663, -97.24176
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating19.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 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 closed3.1 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 proposedNone recorded
Estimated improvement cost$23,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 44790 285th ST over Turkey Ridge Ck built?

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

What condition is 44790 285th ST over Turkey Ridge 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 44790 285th ST over Turkey Ridge Ck carry?

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

How long is 44790 285th ST over Turkey Ridge Ck?

The structure is 62 ft (18.8 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns 44790 285th ST over Turkey Ridge Ck?

It is owned by the County Highway Agency.