US Bridges

SD1806 over Draw

Good

Stanley County, South Dakota · 0.5 N JCT US14/SD34 · Structure no. 000000059388274

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
1,566
2024 count
Owner
State
State Highway Agency

About this bridge

SD1806 over Draw is a concrete continuous culvert carrying SD1806 over Draw in Stanley County, South Dakota. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,566 vehicles a day, roughly 9% of them trucks, projected to reach 2,264 by 2044. The structure is 32 ft (9.7 m) long.

CarriesSD1806
CrossesDraw
Location0.5 N JCT US14/SD34
RouteState Highway 1806
Coordinates44.37951, -100.3953
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating102.6 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,566 (2024)
Projected traffic2,264 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SD1806 over Draw built?

It was built in 2010, making it 15 years old in 2025.

What condition is SD1806 over Draw 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 February 2023.

How much traffic does SD1806 over Draw carry?

About 1,566 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SD1806 over Draw?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.7 m).

Who owns SD1806 over Draw?

It is owned by the State Highway Agency.