US Bridges

US385 over Deer Ck

Good

Pennington County, South Dakota · 0.8 N JCT SD44 · Structure no. 000000052264284

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
1,981
2023 count
Owner
State
State Highway Agency

About this bridge

US385 over Deer Ck is a concrete continuous culvert carrying US385 over Deer Ck in Pennington County, South Dakota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,981 vehicles a day, roughly 4% of them trucks, projected to reach 3,124 by 2043. The structure is 36 ft (11 m) long.

CarriesUS385
CrossesDeer Ck
Location0.8 N JCT SD44
RouteU.S. Route 385
Coordinates44.10597, -103.52658
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.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length36 ft (11 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,981 (2023)
Projected traffic3,124 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 US385 over Deer Ck built?

It was built in 2024, making it 1 years old in 2025.

What condition is US385 over Deer 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 US385 over Deer Ck carry?

About 1,981 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US385 over Deer Ck?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.5 m).

Who owns US385 over Deer Ck?

It is owned by the State Highway Agency.