US Bridges

Benson Road over Trib to Skunk Creek

Fair

Minnehaha County, South Dakota · 0.4E of Marion Road · Structure no. 000000050174180

Built
2013
12 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
3,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benson Road over Trib to Skunk Creek is a concrete continuous culvert carrying Benson Road over Trib to Skunk Creek in Minnehaha County, South Dakota. It was built in 2013, so it is 12 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 3,800 vehicles a day, roughly 3% of them trucks, projected to reach 5,200 by 2040. The structure is 38 ft (11.7 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBenson Road
CrossesTrib to Skunk Creek
Location0.4E of Marion Road
RouteCity Street 0
CountyMinnehaha County
StateSouth Dakota
Coordinates43.5875, -96.7833
Functional classUrban Minor 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 2023
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 alignment8: Equal to present desirable criteria
Operating rating86.6 US tons
Inventory rating66.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width60 ft (18.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic5,200 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Benson Road over Trib to Skunk Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Benson Road 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 2023.

How much traffic does Benson Road over Trib to Skunk Creek carry?

About 3,800 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Benson Road over Trib to Skunk Creek?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m) and a deck 60 ft wide.

Who owns Benson Road over Trib to Skunk Creek?

It is owned by the City or Municipal Highway Agency.