US Bridges

SD034 over Spring Ck

Good

Meade County, South Dakota · 9.4 NE JCT Sd 79 N · Structure no. 000000047142386

Built
2014
11 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
151 ft
4 main spans
Daily traffic
805
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Spring Ck is a concrete continuous slab carrying SD034 over Spring Ck in Meade County, South Dakota. It was built in 2014, so it is 11 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 805 vehicles a day, roughly 14% of them trucks, projected to reach 1,283 by 2044. The structure is 151 ft (45.9 m) long and 39 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesSD034
CrossesSpring Ck
Location9.4 NE JCT Sd 79 N
RouteState Highway 34
Coordinates44.48028, -103.28272
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating55.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length151 ft (45.9 m)
Longest span41 ft (12.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic805 (2024)
Projected traffic1,283 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 SD034 over Spring Ck built?

It was built in 2014, making it 11 years old in 2025.

What condition is SD034 over Spring Ck 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 November 2022.

How much traffic does SD034 over Spring Ck carry?

About 805 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SD034 over Spring Ck?

The structure is 151 ft (45.9 m) long with a longest span of 41 ft (12.6 m) and a deck 39 ft wide.

Who owns SD034 over Spring Ck?

It is owned by the State Highway Agency.