US Bridges

Deep Creek RD over Flint Ck

Good

Perkins County, South Dakota · 14.7W 4.8N Faith · Structure no. 000000053303592

Built
2004
21 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Deep Creek RD over Flint Ck is a prestressed concrete stringer/multi-beam or girder carrying Deep Creek RD over Flint Ck in Perkins County, South Dakota. It was built in 2004, so it is 21 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 3% of them trucks, projected to reach 16 by 2032. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesDeep Creek RD
CrossesFlint Ck
Location14.7W 4.8N Faith
RouteCounty Highway 0
Coordinates45.09513, -102.33954
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.3 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic16 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Deep Creek RD over Flint Ck built?

It was built in 2004, making it 21 years old in 2025.

What condition is Deep Creek RD over Flint 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 2023.

How much traffic does Deep Creek RD over Flint Ck carry?

About 15 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Deep Creek RD over Flint Ck?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Deep Creek RD over Flint Ck?

It is owned by the County Highway Agency.