US Bridges

45970 279 St. over Vermillion Rv

PoorPosted for load

Turner County, South Dakota · 2S & 1.3W Chancellor · Structure no. 000000063197110

Built
1985
40 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
2 main spans
Daily traffic
97
2022 count
Owner
County
County Highway Agency

About this bridge

45970 279 St. over Vermillion Rv is a steel stringer/multi-beam or girder carrying 45970 279 St. over Vermillion Rv in Turner County, South Dakota. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 97 vehicles a day, roughly 2% of them trucks, projected to reach 97 by 2032. The structure is 63 ft (19.2 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries45970 279 St.
CrossesVermillion Rv
Location2S & 1.3W Chancellor
RouteCounty Highway 0
Coordinates43.34438, -97.01122
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.3 US tons
Inventory rating12.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span31 ft (9.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic97 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$426,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 45970 279 St. over Vermillion Rv built?

It was built in 1985, making it 40 years old in 2025.

What condition is 45970 279 St. over Vermillion Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does 45970 279 St. over Vermillion Rv carry?

About 97 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 45970 279 St. over Vermillion Rv?

The structure is 63 ft (19.2 m) long with a longest span of 31 ft (9.3 m) and a deck 20 ft wide.

Who owns 45970 279 St. over Vermillion Rv?

It is owned by the County Highway Agency.