US Bridges

223rd Street over Big Sioux Rv

PoorPosted for load

Moody County, South Dakota · Egan Sd · Structure no. 000000051124136

Built
1922
103 years old
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
143 ft
1 main span
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

223rd Street over Big Sioux Rv is a steel truss - thru carrying 223rd Street over Big Sioux Rv in Moody County, South Dakota. It was built in 1922, so it is 103 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 100 vehicles a day, projected to reach 100 by 2042. The structure is 143 ft (43.6 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries223rd Street
CrossesBig Sioux Rv
LocationEgan Sd
RouteCity Street 0
Coordinates43.99815, -96.63888
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating14 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length143 ft (43.6 m)
Longest span140 ft (42.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 223rd Street over Big Sioux Rv built?

It was built in 1922, making it 103 years old in 2025.

What condition is 223rd 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 October 2024.

How much traffic does 223rd Street over Big Sioux Rv carry?

About 100 vehicles per day (2022 count).

How long is 223rd Street over Big Sioux Rv?

The structure is 143 ft (43.6 m) long with a longest span of 140 ft (42.7 m) and a deck 18 ft wide.

Who owns 223rd Street over Big Sioux Rv?

It is owned by the Town or Township Highway Agency.