US Bridges

258th Street over W. Fork of Vermillion Rv

Good

McCook County, South Dakota · 5S & 0.1E of Salem · Structure no. 000000044111140

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

258th Street over W. Fork of Vermillion Rv is a prestressed concrete stringer/multi-beam or girder carrying 258th Street over W. Fork of Vermillion Rv in McCook County, South Dakota. It was built in 2008, so it is 17 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 108 ft (32.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries258th Street
CrossesW. Fork of Vermillion Rv
Location5S & 0.1E of Salem
Coordinates43.64459, -97.3884
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 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 rating55 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length108 ft (32.9 m)
Longest span104 ft (31.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 258th Street over W. Fork of Vermillion Rv built?

It was built in 2008, making it 17 years old in 2025.

What condition is 258th Street over W. Fork of 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 July 2024.

How much traffic does 258th Street over W. Fork of Vermillion Rv carry?

About 50 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 258th Street over W. Fork of Vermillion Rv?

The structure is 108 ft (32.9 m) long with a longest span of 104 ft (31.7 m) and a deck 30 ft wide.

Who owns 258th Street over W. Fork of Vermillion Rv?

It is owned by the County Highway Agency.