US Bridges

US014 over Turtle Ck

Fair

Hand County, South Dakota · 2.6 E JCT Sd 45 · Structure no. 000000030184258

Built
1996
29 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
2,073
2024 count
Owner
State
State Highway Agency

About this bridge

US014 over Turtle Ck is a concrete continuous culvert carrying US014 over Turtle Ck in Hand County, South Dakota. It was built in 1996, so it is 29 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 2,073 vehicles a day, roughly 11% of them trucks, projected to reach 2,759 by 2044. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 42.3 mi (68 km).

CarriesUS014
CrossesTurtle Ck
Location2.6 E JCT Sd 45
RouteU.S. Route 14
Coordinates44.51766, -98.93596
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating91.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length31 ft (9.5 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 traffic2,073 (2024)
Projected traffic2,759 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 US014 over Turtle Ck built?

It was built in 1996, making it 29 years old in 2025.

What condition is US014 over 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 October 2023.

How much traffic does US014 over Turtle Ck carry?

About 2,073 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is US014 over Turtle Ck?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns US014 over Turtle Ck?

It is owned by the State Highway Agency.