US Bridges

27890 451 Ave over Ck

FairPosted for load

Turner County, South Dakota · 3.9S & 2W Parker · Structure no. 000000063110109

Built
1950
75 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

27890 451 Ave over Ck is a steel stringer/multi-beam or girder carrying 27890 451 Ave over Ck in Turner County, South Dakota. It was built in 1950, so it is 75 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 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 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries27890 451 Ave
CrossesCk
Location3.9S & 2W Parker
RouteCounty Highway 0
Coordinates43.34359, -97.18124
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.6 US tons
Inventory rating8.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 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 closed6.2 mi (10 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$325,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 27890 451 Ave over Ck built?

It was built in 1950, making it 75 years old in 2025.

What condition is 27890 451 Ave 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 August 2023.

How much traffic does 27890 451 Ave over Ck carry?

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

How long is 27890 451 Ave over Ck?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns 27890 451 Ave over Ck?

It is owned by the County Highway Agency.