US Bridges

47190 307 St. over East Brule Ck

Good

Union County, South Dakota · 1.5S & 2E Alsen · Structure no. 000000064019100

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
235
2022 count
Owner
County
County Highway Agency

About this bridge

47190 307 St. over East Brule Ck is a prestressed concrete tee beam carrying 47190 307 St. over East Brule Ck in Union County, South Dakota. It was built in 2013, so it is 12 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 235 vehicles a day, roughly 3% of them trucks, projected to reach 235 by 2032. The structure is 97 ft (29.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries47190 307 St.
CrossesEast Brule Ck
Location1.5S & 2E Alsen
RouteCounty Highway 0
Coordinates42.93894, -96.76689
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating32.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length97 ft (29.7 m)
Longest span95 ft (29 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2022)
Projected traffic235 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 47190 307 St. over East Brule Ck built?

It was built in 2013, making it 12 years old in 2025.

What condition is 47190 307 St. 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 August 2024.

How much traffic does 47190 307 St. over East Brule Ck carry?

About 235 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 47190 307 St. over East Brule Ck?

The structure is 97 ft (29.7 m) long with a longest span of 95 ft (29 m) and a deck 33 ft wide.

Who owns 47190 307 St. over East Brule Ck?

It is owned by the County Highway Agency.