US Bridges

250th Street over E. Fork of Vermillion Rv

Fair

McCook County, South Dakota · 2.5N & 9.6E of Salem · Structure no. 000000044206060

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
66
2022 count
Owner
County
County Highway Agency

About this bridge

250th Street over E. Fork of Vermillion Rv is a prestressed concrete tee beam carrying 250th Street over E. Fork of Vermillion Rv in McCook County, South Dakota. It was built in 1972, so it is 53 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 66 vehicles a day, roughly 2% of them trucks, projected to reach 66 by 2032. The structure is 41 ft (12.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries250th Street
CrossesE. Fork of Vermillion Rv
Location2.5N & 9.6E of Salem
Coordinates43.76028, -97.19943
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic66 by 2032
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 250th Street over E. Fork of Vermillion Rv built?

It was built in 1972, making it 53 years old in 2025.

What condition is 250th Street over E. Fork of Vermillion Rv in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does 250th Street over E. Fork of Vermillion Rv carry?

About 66 vehicles per day (2022 count), of which roughly 2% are trucks.

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

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

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

It is owned by the County Highway Agency.