US Bridges

SD034 over Drainage Ditch

FairPosted for load

Meade County, South Dakota · 0.6 E I 90 Interch · Structure no. 000000047024429

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
9,212
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Drainage Ditch is a concrete continuous culvert carrying SD034 over Drainage Ditch in Meade County, South Dakota. It was built in 1964, so it is 61 years old, older 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. Its operating status is: posted for load restriction.

It carries about 9,212 vehicles a day, roughly 4% of them trucks, projected to reach 14,389 by 2044. The structure is 20 ft (6.2 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSD034
CrossesDrainage Ditch
Location0.6 E I 90 Interch
RouteState Highway 34
Coordinates44.41636, -103.52159
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,212 (2024)
Projected traffic14,389 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Drainage Ditch built?

It was built in 1964, making it 61 years old in 2025.

What condition is SD034 over Drainage Ditch 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 January 2024.

How much traffic does SD034 over Drainage Ditch carry?

About 9,212 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SD034 over Drainage Ditch?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns SD034 over Drainage Ditch?

It is owned by the State Highway Agency.