US Bridges

SD011 over East Brule Ck

Good

Union County, South Dakota · 2.2 S JCT Sd 46 · Structure no. 000000064090022

Built
1965
60 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
1,294
2024 count
Owner
State
State Highway Agency

About this bridge

SD011 over East Brule Ck is a concrete continuous culvert carrying SD011 over East Brule Ck in Union County, South Dakota. It was built in 1965, so it is 60 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 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 1,294 vehicles a day, roughly 9% of them trucks, projected to reach 1,993 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesSD011
CrossesEast Brule Ck
Location2.2 S JCT Sd 46
RouteState Highway 11
Coordinates43.0533, -96.62812
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating87.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 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 traffic1,294 (2024)
Projected traffic1,993 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD011 over East Brule Ck built?

It was built in 1965, making it 60 years old in 2025.

What condition is SD011 over East Brule 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 September 2021.

How much traffic does SD011 over East Brule Ck carry?

About 1,294 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SD011 over East Brule Ck?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.8 m).

Who owns SD011 over East Brule Ck?

It is owned by the State Highway Agency.