US Bridges

415th Avenue over Creek

Fair

Clark County, South Dakota · 4.1N of Carpenter · Structure no. 000000013030314

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
176
2022 count
Owner
County
County Highway Agency

About this bridge

415th Avenue over Creek is a concrete continuous culvert carrying 415th Avenue over Creek in Clark County, South Dakota. It was built in 1949, so it is 76 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 176 vehicles a day, roughly 3% of them trucks, projected to reach 176 by 2032. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries415th Avenue
CrossesCreek
Location4.1N of Carpenter
RouteCounty Highway 6299
CountyClark County
StateSouth Dakota
Coordinates44.69889, -97.91709
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176 (2022)
Projected traffic176 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 415th Avenue over Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is 415th Avenue over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does 415th Avenue over Creek carry?

About 176 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 415th Avenue over Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns 415th Avenue over Creek?

It is owned by the County Highway Agency.