US Bridges

260th Street over Trib. to W Fork Verm Rv

Fair

McCook County, South Dakota · 7.5S & 1.4E of Salem · Structure no. 000000044124160

Built
1925
100 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
28 ft
1 main span
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

260th Street over Trib. to W Fork Verm Rv is a concrete stringer/multi-beam or girder carrying 260th Street over Trib. to W Fork Verm Rv in McCook County, South Dakota. It was built in 1925, so it is 100 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 28 ft (8.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries260th Street
CrossesTrib. to W Fork Verm Rv
Location7.5S & 1.4E of Salem
Coordinates43.61573, -97.36042
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span25 ft (7.7 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th Street over Trib. to W Fork Verm Rv built?

It was built in 1925, making it 100 years old in 2025.

What condition is 260th Street over Trib. to W Fork Verm 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 July 2024.

How much traffic does 260th Street over Trib. to W Fork Verm Rv carry?

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

How long is 260th Street over Trib. to W Fork Verm Rv?

The structure is 28 ft (8.6 m) long with a longest span of 25 ft (7.7 m) and a deck 24 ft wide.

Who owns 260th Street over Trib. to W Fork Verm Rv?

It is owned by the County Highway Agency.