US Bridges

248 ST over Ck

Fair

Aurora County, South Dakota · 3.7N 2.1W White Lake · Structure no. 000000002019103

Built
2008
17 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

248 ST over Ck is a steel culvert carrying 248 ST over Ck in Aurora County, South Dakota. It was built in 2008, so it is 17 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 33 vehicles a day, roughly 3% of them trucks, projected to reach 33 by 2032. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
Carries248 ST
CrossesCk
Location3.7N 2.1W White Lake
RouteCounty Highway 0
CountyAurora County
StateSouth Dakota
Coordinates43.78579, -98.75575
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating89.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic33 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 248 ST over Ck built?

It was built in 2008, making it 17 years old in 2025.

What condition is 248 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 July 2023.

How much traffic does 248 ST over Ck carry?

About 33 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 248 ST over Ck?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns 248 ST over Ck?

It is owned by the County Highway Agency.