US Bridges

415th Avenue over Tributary Foster Creek

Good

Clark County, South Dakota · 8.6N of Carpenter · Structure no. 000000013030269

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
140
2022 count
Owner
County
County Highway Agency

About this bridge

415th Avenue over Tributary Foster Creek is a concrete culvert carrying 415th Avenue over Tributary Foster Creek in Clark County, South Dakota. It was built in 2012, so it is 13 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 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 140 vehicles a day, roughly 9% of them trucks, projected to reach 150 by 2032. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries415th Avenue
CrossesTributary Foster Creek
Location8.6N of Carpenter
RouteCounty Highway 6299
Coordinates44.76333, -97.91704
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating78 US tons
Inventory rating57.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.5 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 traffic140 (2022)
Projected traffic150 by 2032
Trucks9%
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 Tributary Foster Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is 415th Avenue over Tributary Foster Creek 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 2024.

How much traffic does 415th Avenue over Tributary Foster Creek carry?

About 140 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 415th Avenue over Tributary Foster Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 415th Avenue over Tributary Foster Creek?

It is owned by the County Highway Agency.