US Bridges

44970 294 ST over Drainage Ditch

Good

Yankton County, South Dakota · 3 N & 2.3 W Irene · Structure no. 000000068217030

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
93
2022 count
Owner
County
County Highway Agency

About this bridge

44970 294 ST over Drainage Ditch is a prestressed concrete tee beam carrying 44970 294 ST over Drainage Ditch in Yankton County, South Dakota. It was built in 2017, so it is 8 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 93 vehicles a day, roughly 2% of them trucks, projected to reach 93 by 2032. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries44970 294 ST
CrossesDrainage Ditch
Location3 N & 2.3 W Irene
RouteCounty Highway 0
Coordinates43.12639, -97.20672
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span41 ft (12.6 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2022)
Projected traffic93 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 44970 294 ST over Drainage Ditch built?

It was built in 2017, making it 8 years old in 2025.

What condition is 44970 294 ST over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does 44970 294 ST over Drainage Ditch carry?

About 93 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 44970 294 ST over Drainage Ditch?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.6 m) and a deck 35 ft wide.

Who owns 44970 294 ST over Drainage Ditch?

It is owned by the County Highway Agency.