US Bridges

SD034 over Brookfield Ck

Fair

Moody County, South Dakota · 1.5 E JCT Sd 13 · Structure no. 000000051164130

Built
2010
15 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
1,508
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Brookfield Ck is a concrete continuous culvert carrying SD034 over Brookfield Ck in Moody County, South Dakota. It was built in 2010, so it is 15 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 1,508 vehicles a day, roughly 20% of them trucks, projected to reach 1,921 by 2044. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 42.9 mi (69 km).

CarriesSD034
CrossesBrookfield Ck
Location1.5 E JCT Sd 13
RouteState Highway 34
Coordinates44.00738, -96.55762
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 2024
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.9 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,508 (2024)
Projected traffic1,921 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 SD034 over Brookfield Ck built?

It was built in 2010, making it 15 years old in 2025.

What condition is SD034 over Brookfield 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 2024.

How much traffic does SD034 over Brookfield Ck carry?

About 1,508 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is SD034 over Brookfield Ck?

The structure is 29 ft (8.9 m) long with a longest span of 9 ft (2.8 m).

Who owns SD034 over Brookfield Ck?

It is owned by the State Highway Agency.