US Bridges

4th Avenue over Drainage Channel

Good

Minnehaha County, South Dakota · N of Benson Road - Sf · Structure no. 000000050205180

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
4,400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Avenue over Drainage Channel is a concrete culvert carrying 4th Avenue over Drainage Channel in Minnehaha County, South Dakota. It was built in 2000, so it is 25 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 4,400 vehicles a day, roughly 1% of them trucks, projected to reach 4,400 by 2020. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Carries4th Avenue
CrossesDrainage Channel
LocationN of Benson Road - Sf
RouteCity Street 0
Coordinates43.58764, -96.72134
Functional classUrban 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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating27.1 US tons
Inventory rating20.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2022)
Projected traffic4,400 by 2020
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 4th Avenue over Drainage Channel built?

It was built in 2000, making it 25 years old in 2025.

What condition is 4th Avenue over Drainage Channel 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 4th Avenue over Drainage Channel carry?

About 4,400 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 4th Avenue over Drainage Channel?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 4th Avenue over Drainage Channel?

It is owned by the City or Municipal Highway Agency.