US Bridges

30430 474 Ave. over East Brule Ck

FairPosted for load

Union County, South Dakota · 2E & 6.3S Beresford · Structure no. 000000064040073

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

30430 474 Ave. over East Brule Ck is a steel stringer/multi-beam or girder carrying 30430 474 Ave. over East Brule Ck in Union County, South Dakota. It was built in 1986, so it is 39 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 5 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 36 vehicles a day, roughly 2% of them trucks, projected to reach 36 by 2032. The structure is 61 ft (18.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries30430 474 Ave.
CrossesEast Brule Ck
Location2E & 6.3S Beresford
RouteCounty Highway 0
CountyUnion County
StateSouth Dakota
Coordinates42.97723, -96.72666
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.6 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length61 ft (18.5 m)
Longest span30 ft (9 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic36 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 30430 474 Ave. over East Brule Ck built?

It was built in 1986, making it 39 years old in 2025.

What condition is 30430 474 Ave. over East Brule 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 August 2024.

How much traffic does 30430 474 Ave. over East Brule Ck carry?

About 36 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 30430 474 Ave. over East Brule Ck?

The structure is 61 ft (18.5 m) long with a longest span of 30 ft (9 m) and a deck 28 ft wide.

Who owns 30430 474 Ave. over East Brule Ck?

It is owned by the County Highway Agency.