US Bridges

44660 298th Street over Trib. to Clay Creek

PoorPosted for load

Yankton County, South Dakota · 5.4W & 1S of Irene · Structure no. 000000068186070

Built
1940
85 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

44660 298th Street over Trib. to Clay Creek is a steel stringer/multi-beam or girder carrying 44660 298th Street over Trib. to Clay Creek in Yankton 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 22 ft (6.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries44660 298th Street
CrossesTrib. to Clay Creek
Location5.4W & 1S of Irene
Coordinates43.06827, -97.2642
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25.2 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 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$706,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 44660 298th Street over Trib. to Clay Creek built?

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

What condition is 44660 298th Street over Trib. to Clay Creek 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 July 2024.

How much traffic does 44660 298th Street over Trib. to Clay Creek carry?

About 25 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 44660 298th Street over Trib. to Clay Creek?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns 44660 298th Street over Trib. to Clay Creek?

It is owned by the County Highway Agency.