US Bridges

SD045 over Little Turtle Ck

Fair

Hand County, South Dakota · 5 N JCT US 14 · Structure no. 000000030160203

Built
2002
23 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
909
2024 count
Owner
State
State Highway Agency

About this bridge

SD045 over Little Turtle Ck is a concrete continuous culvert carrying SD045 over Little Turtle Ck in Hand County, South Dakota. It was built in 2002, so it is 23 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 909 vehicles a day, roughly 23% of them trucks, projected to reach 1,210 by 2044. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSD045
CrossesLittle Turtle Ck
Location5 N JCT US 14
RouteState Highway 45
Coordinates44.60197, -98.98886
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic909 (2024)
Projected traffic1,210 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SD045 over Little Turtle Ck built?

It was built in 2002, making it 23 years old in 2025.

What condition is SD045 over Little 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 2022.

How much traffic does SD045 over Little Turtle Ck carry?

About 909 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is SD045 over Little Turtle Ck?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns SD045 over Little Turtle Ck?

It is owned by the State Highway Agency.