US Bridges

US016 over Ck

Good

Custer County, South Dakota · 0.2 E JCT US 385 S · Structure no. 000000017227073

Built
1966
59 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
10,052
2024 count
Owner
State
State Highway Agency

About this bridge

US016 over Ck is a concrete continuous culvert carrying US016 over Ck in Custer County, South Dakota. It was built in 1966, so it is 59 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 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 10,052 vehicles a day, roughly 4% of them trucks, projected to reach 16,395 by 2044. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS016
CrossesCk
Location0.2 E JCT US 385 S
RouteU.S. Route 16
Coordinates43.76418, -103.60781
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating88.8 US tons
Inventory rating53.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,052 (2024)
Projected traffic16,395 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US016 over Ck built?

It was built in 1966, making it 59 years old in 2025.

What condition is US016 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 January 2024.

How much traffic does US016 over Ck carry?

About 10,052 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US016 over Ck?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m).

Who owns US016 over Ck?

It is owned by the State Highway Agency.