US Bridges

West 12th Street over Trib. to Skunk Creek

Fair

Minnehaha County, South Dakota · 0.3W of Sertoma Avenue · Structure no. 000000050155210

Built
1989
36 years old
Condition
Fair
inspected September 2021
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
8,892
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 12th Street over Trib. to Skunk Creek is a concrete continuous culvert carrying West 12th Street over Trib. to Skunk Creek in Minnehaha County, South Dakota. It was built in 1989, so it is 36 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 fair condition with a lowest component rating of 6 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 8,892 vehicles a day, roughly 4% of them trucks, projected to reach 11,370 by 2032. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest 12th Street
CrossesTrib. to Skunk Creek
Location0.3W of Sertoma Avenue
RouteCity Street 0
Coordinates43.54386, -96.82097
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating70.5 US tons
Inventory rating54.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,892 (2022)
Projected traffic11,370 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 West 12th Street over Trib. to Skunk Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is West 12th Street over Trib. to Skunk 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 September 2021.

How much traffic does West 12th Street over Trib. to Skunk Creek carry?

About 8,892 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is West 12th Street over Trib. to Skunk Creek?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m).

Who owns West 12th Street over Trib. to Skunk Creek?

It is owned by the City or Municipal Highway Agency.