US Bridges

255th Street over W. Fork of Vermillion Rv

Good

McCook County, South Dakota · 2S & 0.9W of Salem · Structure no. 000000044101110

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
64 ft
4 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

255th Street over W. Fork of Vermillion Rv is a concrete continuous culvert carrying 255th Street over W. Fork of Vermillion Rv in McCook County, South Dakota. It was built in 2019, so it is 6 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 64 ft (19.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries255th Street
CrossesW. Fork of Vermillion Rv
Location2S & 0.9W of Salem
Coordinates43.68807, -97.4078
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating62.9 US tons
Inventory rating48.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length64 ft (19.6 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 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 255th Street over W. Fork of Vermillion Rv built?

It was built in 2019, making it 6 years old in 2025.

What condition is 255th 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 June 2024.

How much traffic does 255th Street over W. Fork of Vermillion Rv carry?

About 45 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 255th Street over W. Fork of Vermillion Rv?

The structure is 64 ft (19.6 m) long with a longest span of 15 ft (4.7 m).

Who owns 255th Street over W. Fork of Vermillion Rv?

It is owned by the County Highway Agency.