US Bridges

246th Street over Trib to Big Sioux Rv

PoorPosted for load

Minnehaha County, South Dakota · 2.2E & 0.3S Dell Rapids · Structure no. 000000050226020

Built
1940
85 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

246th Street over Trib to Big Sioux Rv is a steel stringer/multi-beam or girder carrying 246th Street over Trib to Big Sioux Rv in Minnehaha County, South Dakota. It was built in 1940, so it is 85 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 51 vehicles a day, roughly 2% of them trucks, projected to reach 59 by 2037. The structure is 40 ft (12.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries246th Street
CrossesTrib to Big Sioux Rv
Location2.2E & 0.3S Dell Rapids
RouteCounty Highway 0
Coordinates43.81848, -96.67601
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating43.9 US tons
Inventory rating26.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span38 ft (11.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic59 by 2037
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$481,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 246th Street over Trib to Big Sioux Rv built?

It was built in 1940, making it 85 years old in 2025.

What condition is 246th Street over Trib to Big Sioux Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does 246th Street over Trib to Big Sioux Rv carry?

About 51 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 246th Street over Trib to Big Sioux Rv?

The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.7 m) and a deck 22 ft wide.

Who owns 246th Street over Trib to Big Sioux Rv?

It is owned by the County Highway Agency.