US Bridges

45650 275 ST over East Fork Vermillion Rv

PoorPosted for load

Turner County, South Dakota · 3.5E Parker · Structure no. 000000063165070

Built
1958
67 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
3 main spans
Daily traffic
747
2022 count
Owner
County
County Highway Agency

About this bridge

45650 275 ST over East Fork Vermillion Rv is a steel stringer/multi-beam or girder carrying 45650 275 ST over East Fork Vermillion Rv in Turner County, South Dakota. It was built in 1958, so it is 67 years old, older 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 4 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 747 vehicles a day, roughly 3% of them trucks, projected to reach 747 by 2032. The structure is 155 ft (47.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries45650 275 ST
CrossesEast Fork Vermillion Rv
Location3.5E Parker
RouteCounty Highway 0
Coordinates43.40203, -97.07207
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.5 US tons
Inventory rating17.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span54 ft (16.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic747 (2022)
Projected traffic747 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$929,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 45650 275 ST over East Fork Vermillion Rv built?

It was built in 1958, making it 67 years old in 2025.

What condition is 45650 275 ST over East Fork 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 August 2023.

How much traffic does 45650 275 ST over East Fork Vermillion Rv carry?

About 747 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 45650 275 ST over East Fork Vermillion Rv?

The structure is 155 ft (47.1 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.

Who owns 45650 275 ST over East Fork Vermillion Rv?

It is owned by the County Highway Agency.