US Bridges

SD034 over Elm Ck

Good

Meade County, South Dakota · 12 SW of Union Center · Structure no. 000000047338361

Built
2012
13 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
242 ft
6 main spans
Daily traffic
833
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Elm Ck is a concrete continuous slab carrying SD034 over Elm Ck in Meade County, South Dakota. It was built in 2012, so it is 13 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 833 vehicles a day, roughly 19% of them trucks, projected to reach 1,328 by 2044. The structure is 242 ft (73.9 m) long and 39 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesSD034
CrossesElm Ck
Location12 SW of Union Center
RouteState Highway 34
Coordinates44.51591, -102.88755
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52 US tons
Inventory rating40.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length242 ft (73.9 m)
Longest span43 ft (13.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic833 (2024)
Projected traffic1,328 by 2044
Trucks19%
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 Elm Ck built?

It was built in 2012, making it 13 years old in 2025.

What condition is SD034 over Elm 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 2024.

How much traffic does SD034 over Elm Ck carry?

About 833 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is SD034 over Elm Ck?

The structure is 242 ft (73.9 m) long with a longest span of 43 ft (13.1 m) and a deck 39 ft wide.

Who owns SD034 over Elm Ck?

It is owned by the State Highway Agency.