US Bridges

162 Street over Big Sioux Rv

PoorPosted for load

Codington County, South Dakota · 7.5E & 1S Florence · Structure no. 000000015154080

Built
1985
40 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

162 Street over Big Sioux Rv is a prestressed concrete tee beam carrying 162 Street over Big Sioux Rv in Codington County, South Dakota. It was built in 1985, so it is 40 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 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2041. The structure is 90 ft (27.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries162 Street
CrossesBig Sioux Rv
Location7.5E & 1S Florence
RouteCounty Highway 0
Coordinates45.03522, -97.17634
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length90 ft (27.5 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2041
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 162 Street over Big Sioux Rv built?

It was built in 1985, making it 40 years old in 2025.

What condition is 162 Street over 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 2023.

How much traffic does 162 Street over Big Sioux Rv carry?

About 40 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 162 Street over Big Sioux Rv?

The structure is 90 ft (27.5 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns 162 Street over Big Sioux Rv?

It is owned by the County Highway Agency.