US Bridges

SD073 over West Br Turtle Ck

Fair

Meade County, South Dakota · 13.2 S of Faith · Structure no. 000000047759141

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
831
2024 count
Owner
State
State Highway Agency

About this bridge

SD073 over West Br Turtle Ck is a concrete continuous culvert carrying SD073 over West Br Turtle Ck in Meade County, South Dakota. It was built in 1987, so it is 38 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 831 vehicles a day, roughly 27% of them trucks, projected to reach 1,325 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSD073
CrossesWest Br Turtle Ck
Location13.2 S of Faith
RouteState Highway 73
Coordinates44.83329, -102.04612
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating91.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic831 (2024)
Projected traffic1,325 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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 SD073 over West Br Turtle Ck built?

It was built in 1987, making it 38 years old in 2025.

What condition is SD073 over West Br Turtle 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 September 2024.

How much traffic does SD073 over West Br Turtle Ck carry?

About 831 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is SD073 over West Br Turtle Ck?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m).

Who owns SD073 over West Br Turtle Ck?

It is owned by the State Highway Agency.