US Bridges

28190 441st Ave over Turkey Ridge Ck

Fair

Turner County, South Dakota · 6W & 7.9S Marion · Structure no. 000000063010139

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
97
2022 count
Owner
County
County Highway Agency

About this bridge

28190 441st Ave over Turkey Ridge Ck is a prestressed concrete tee beam carrying 28190 441st Ave over Turkey Ridge Ck in Turner County, South Dakota. It was built in 1989, so it is 36 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 97 vehicles a day, roughly 2% of them trucks, projected to reach 97 by 2032. The structure is 72 ft (21.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries28190 441st Ave
CrossesTurkey Ridge Ck
Location6W & 7.9S Marion
RouteCounty Highway 0
CountyTurner County
StateSouth Dakota
Coordinates43.3015, -97.37857
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.
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 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 alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic97 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$411,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 28190 441st Ave over Turkey Ridge Ck built?

It was built in 1989, making it 36 years old in 2025.

What condition is 28190 441st Ave 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 28190 441st Ave over Turkey Ridge Ck carry?

About 97 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 28190 441st Ave over Turkey Ridge Ck?

The structure is 72 ft (21.9 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns 28190 441st Ave over Turkey Ridge Ck?

It is owned by the County Highway Agency.