US Bridges

245 ST over Firesteel Ck

Good

Aurora County, South Dakota · 5.3E 8N Plankinton · Structure no. 000000002213070

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
50 ft
4 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

245 ST over Firesteel Ck is a concrete continuous culvert carrying 245 ST over Firesteel Ck in Aurora County, South Dakota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33 vehicles a day, roughly 2% of them trucks, projected to reach 33 by 2032. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries245 ST
CrossesFiresteel Ck
Location5.3E 8N Plankinton
RouteCounty Highway 0
Coordinates43.83323, -98.38126
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic33 by 2032
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 245 ST over Firesteel Ck built?

It was built in 2024, making it 1 years old in 2025.

What condition is 245 ST over Firesteel Ck 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 December 2024.

How much traffic does 245 ST over Firesteel Ck carry?

About 33 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 245 ST over Firesteel Ck?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns 245 ST over Firesteel Ck?

It is owned by the County Highway Agency.