US Bridges

247th Street over Dry Run Ck

Fair

Davison County, South Dakota · 0.7 N 1.5 E Loomis · Structure no. 000000018125030

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
897
2022 count
Owner
County
County Highway Agency

About this bridge

247th Street over Dry Run Ck is a concrete culvert carrying 247th Street over Dry Run Ck in Davison County, South Dakota. It was built in 1954, so it is 71 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 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 897 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2032. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries247th Street
CrossesDry Run Ck
Location0.7 N 1.5 E Loomis
RouteCounty Highway 0
Coordinates43.80328, -98.07574
Functional classRural Major 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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic897 (2022)
Projected traffic1,000 by 2032
Trucks3%
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 247th Street over Dry Run Ck built?

It was built in 1954, making it 71 years old in 2025.

What condition is 247th Street over Dry Run 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 2024.

How much traffic does 247th Street over Dry Run Ck carry?

About 897 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 247th Street over Dry Run Ck?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns 247th Street over Dry Run Ck?

It is owned by the County Highway Agency.