US Bridges

SD019 over Drainage Ditch

Fair

Turner County, South Dakota · 1.8 S JCT US 18 West · Structure no. 000000063160198

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
1,408
2024 count
Owner
State
State Highway Agency

About this bridge

SD019 over Drainage Ditch is a concrete continuous culvert carrying SD019 over Drainage Ditch in Turner County, South Dakota. It was built in 1963, so it is 62 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 1,408 vehicles a day, roughly 15% of them trucks, projected to reach 2,356 by 2044. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSD019
CrossesDrainage Ditch
Location1.8 S JCT US 18 West
RouteState Highway 19
Coordinates43.21735, -97.08184
Functional classRural Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating88.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,408 (2024)
Projected traffic2,356 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD019 over Drainage Ditch built?

It was built in 1963, making it 62 years old in 2025.

What condition is SD019 over Drainage Ditch 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 2024.

How much traffic does SD019 over Drainage Ditch carry?

About 1,408 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SD019 over Drainage Ditch?

The structure is 35 ft (10.6 m) long with a longest span of 17 ft (5.2 m).

Who owns SD019 over Drainage Ditch?

It is owned by the State Highway Agency.