US Bridges

410th Avenue over Creek

Good

Brown County, South Dakota · 5.3N & 6.4E of Groton · Structure no. 000000007340297

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
825
2022 count
Owner
County
County Highway Agency

About this bridge

410th Avenue over Creek is a concrete culvert carrying 410th Avenue over Creek in Brown County, South Dakota. It was built in 2001, so it is 24 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 825 vehicles a day, roughly 3% of them trucks, projected to reach 906 by 2032. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries410th Avenue
CrossesCreek
Location5.3N & 6.4E of Groton
RouteCounty Highway 6315
Coordinates45.50585, -98.02112
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.1 US tons
Inventory rating52.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.8 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 traffic825 (2022)
Projected traffic906 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 410th Avenue over Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is 410th 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 September 2023.

How much traffic does 410th Avenue over Creek carry?

About 825 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 410th Avenue over Creek?

The structure is 26 ft (7.8 m) long with a longest span of 11 ft (3.5 m).

Who owns 410th Avenue over Creek?

It is owned by the County Highway Agency.