US Bridges

297 Avenue over Artichoke Ck

Good

Potter County, South Dakota · 12W & 6.4S Gettysburg · Structure no. 000000054100224

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

297 Avenue over Artichoke Ck is a prestressed concrete tee beam carrying 297 Avenue over Artichoke Ck in Potter County, South Dakota. It was built in 2003, so it is 22 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 10 vehicles a day, roughly 3% of them trucks, projected to reach 13 by 2032. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries297 Avenue
CrossesArtichoke Ck
Location12W & 6.4S Gettysburg
RouteCounty Highway 0
Coordinates44.92388, -100.20554
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span59 ft (17.9 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic13 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 297 Avenue over Artichoke Ck built?

It was built in 2003, making it 22 years old in 2025.

What condition is 297 Avenue over Artichoke 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 July 2024.

How much traffic does 297 Avenue over Artichoke Ck carry?

About 10 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 297 Avenue over Artichoke Ck?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (17.9 m) and a deck 31 ft wide.

Who owns 297 Avenue over Artichoke Ck?

It is owned by the County Highway Agency.