US Bridges

456th Avenue over Trib West Br Skunk Ck

Good

Minnehaha County, South Dakota · 1W & 0.5S Buffalo Trading · Structure no. 000000050020045

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
54
2023 count
Owner
County
County Highway Agency

About this bridge

456th Avenue over Trib West Br Skunk Ck is a concrete continuous culvert carrying 456th Avenue over Trib West Br Skunk Ck 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 54 vehicles a day, roughly 2% of them trucks, projected to reach 62 by 2038. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries456th Avenue
CrossesTrib West Br Skunk Ck
Location1W & 0.5S Buffalo Trading
RouteCounty Highway 0
Coordinates43.78288, -97.0896
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2023)
Projected traffic62 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$194,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 456th Avenue over Trib West Br Skunk Ck built?

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

What condition is 456th Avenue over Trib West Br Skunk Ck 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 2023.

How much traffic does 456th Avenue over Trib West Br Skunk Ck carry?

About 54 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is 456th Avenue over Trib West Br Skunk Ck?

The structure is 25 ft (7.5 m) long with a longest span of 13 ft (3.9 m).

Who owns 456th Avenue over Trib West Br Skunk Ck?

It is owned by the County Highway Agency.