US Bridges

40950 268 St. over Ck

Good

Hutchinson County, South Dakota · 7 N 0.5 W Parkston · Structure no. 000000034055000

Built
1987
38 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

40950 268 St. over Ck is a prestressed concrete tee beam carrying 40950 268 St. over Ck in Hutchinson County, South Dakota. It was built in 1987, so it is 38 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 46 ft (14.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries40950 268 St.
CrossesCk
Location7 N 0.5 W Parkston
RouteCounty Highway 0
Coordinates43.49883, -98.00671
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal 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 loadUnknown
Structure length46 ft (14.1 m)
Longest span45 ft (13.7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 40950 268 St. over Ck built?

It was built in 1987, making it 38 years old in 2025.

What condition is 40950 268 St. over 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 May 2024.

How much traffic does 40950 268 St. over Ck carry?

About 69 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 40950 268 St. over Ck?

The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.

Who owns 40950 268 St. over Ck?

It is owned by the County Highway Agency.