US Bridges

418th Avenue over Creek

Good

Clark County, South Dakota · 3.0E & 8.2N of Carpenter · Structure no. 000000013060278

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

418th Avenue over Creek is a concrete culvert carrying 418th Avenue over Creek in Clark County, South Dakota. It was built in 2018, so it is 7 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 39 vehicles a day, roughly 2% of them trucks, projected to reach 39 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries418th Avenue
CrossesCreek
Location3.0E & 8.2N of Carpenter
Coordinates44.75115, -97.85625
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating87.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length24 ft (7.3 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 traffic39 (2022)
Projected traffic39 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 418th Avenue over Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is 418th Avenue over 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 418th Avenue over Creek carry?

About 39 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 418th Avenue over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m).

Who owns 418th Avenue over Creek?

It is owned by the County Highway Agency.