US Bridges

48670 455 Ave over Ck

Good

Turner County, South Dakota · 4.3N & 1.3W Viborg · Structure no. 000000063147187

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

48670 455 Ave over Ck is a prestressed concrete tee beam carrying 48670 455 Ave over Ck in Turner County, South Dakota. It was built in 2015, so it is 10 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 66 ft (20 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries48670 455 Ave
CrossesCk
Location4.3N & 1.3W Viborg
RouteCounty Highway 0
Coordinates43.23359, -97.10399
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20 m)
Longest span65 ft (19.7 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 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 closed3.7 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 48670 455 Ave over Ck built?

It was built in 2015, making it 10 years old in 2025.

What condition is 48670 455 Ave over Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 48670 455 Ave over Ck carry?

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

How long is 48670 455 Ave over Ck?

The structure is 66 ft (20 m) long with a longest span of 65 ft (19.7 m) and a deck 23 ft wide.

Who owns 48670 455 Ave over Ck?

It is owned by the County Highway Agency.