US Bridges

US014 W over Big Sioux Rv

Fair

Brookings County, South Dakota · 1.9 MI East of Volga · Structure no. 000000006119150

Built
2001
24 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
699 ft
15 main spans
Daily traffic
4,162
2024 count
Owner
State
State Highway Agency

About this bridge

US014 W over Big Sioux Rv is a concrete continuous slab carrying US014 W over Big Sioux Rv in Brookings County, South Dakota. It was built in 2001, so it is 24 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 4,162 vehicles a day, roughly 9% of them trucks, projected to reach 6,260 by 2044. The structure is 699 ft (213.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS014 W
CrossesBig Sioux Rv
Location1.9 MI East of Volga
RouteU.S. Route 14
CountyBrookings County
StateSouth Dakota
Coordinates44.32623, -96.88883
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating91.3 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 25 or greater
Structure length699 ft (213.1 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,162 (2024)
Projected traffic6,260 by 2044
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US014 W over Big Sioux Rv built?

It was built in 2001, making it 24 years old in 2025.

What condition is US014 W over Big Sioux Rv 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 2023.

How much traffic does US014 W over Big Sioux Rv carry?

About 4,162 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US014 W over Big Sioux Rv?

The structure is 699 ft (213.1 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns US014 W over Big Sioux Rv?

It is owned by the State Highway Agency.