US Bridges

Franklin Creek RD over Willow Ck

Good

Jackson County, South Dakota · 3W & 5.5N Kadoka · Structure no. 000000036280055

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
63 ft
5 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Franklin Creek RD over Willow Ck is a steel culvert carrying Franklin Creek RD over Willow Ck in Jackson County, South Dakota. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 63 ft (19.1 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFranklin Creek RD
CrossesWillow Ck
Location3W & 5.5N Kadoka
RouteCounty Highway 6615
Coordinates43.91603, -101.58193
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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating80.5 US tons
Inventory rating77.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length63 ft (19.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Franklin Creek RD over Willow Ck built?

It was built in 2010, making it 15 years old in 2025.

What condition is Franklin Creek RD over Willow 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 June 2023.

How much traffic does Franklin Creek RD over Willow Ck carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Franklin Creek RD over Willow Ck?

The structure is 63 ft (19.1 m) long with a longest span of 11 ft (3.3 m).

Who owns Franklin Creek RD over Willow Ck?

It is owned by the County Highway Agency.