US Bridges

US018 over Vermillion Rv

Good

Turner County, South Dakota · 3.5 E JCT Sd 19 · Structure no. 000000063196170

Built
2013
12 years old
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
173 ft
4 main spans
Daily traffic
1,836
2024 count
Owner
State
State Highway Agency

About this bridge

US018 over Vermillion Rv is a concrete continuous slab carrying US018 over Vermillion Rv in Turner 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 1,836 vehicles a day, roughly 13% of them trucks, projected to reach 3,072 by 2044. The structure is 173 ft (52.7 m) long and 43 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesUS018
CrossesVermillion Rv
Location3.5 E JCT Sd 19
RouteU.S. Route 18
Coordinates43.2575, -97.01093
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating49.9 US tons
Inventory rating38.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span48 ft (14.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,836 (2024)
Projected traffic3,072 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 US018 over Vermillion Rv built?

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

What condition is US018 over Vermillion Rv 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 April 2022.

How much traffic does US018 over Vermillion Rv carry?

About 1,836 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US018 over Vermillion Rv?

The structure is 173 ft (52.7 m) long with a longest span of 48 ft (14.5 m) and a deck 43 ft wide.

Who owns US018 over Vermillion Rv?

It is owned by the State Highway Agency.