US Bridges

250th Street over W. Fork of Vermillion Rv

Good

McCook County, South Dakota · 2N & 1.7W of Salem · Structure no. 000000044093060

Built
2005
20 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

250th Street over W. Fork of Vermillion Rv is a prestressed concrete tee beam carrying 250th Street over W. Fork of Vermillion Rv in McCook County, South Dakota. It was built in 2005, so it is 20 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 85 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2032. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries250th Street
CrossesW. Fork of Vermillion Rv
Location2N & 1.7W of Salem
Coordinates43.76072, -97.42247
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span48 ft (14.7 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2022)
Projected traffic105 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 250th Street over W. Fork of Vermillion Rv built?

It was built in 2005, making it 20 years old in 2025.

What condition is 250th 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 250th Street over W. Fork of Vermillion Rv carry?

About 85 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 250th Street over W. Fork of Vermillion Rv?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.7 m) and a deck 31 ft wide.

Who owns 250th Street over W. Fork of Vermillion Rv?

It is owned by the County Highway Agency.