US Bridges

461st Ave HWY 155 over West Br Skunk Ck

Good

Minnehaha County, South Dakota · 5.2N & 2W Hartford · Structure no. 000000050070098

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

461st Ave HWY 155 over West Br Skunk Ck is a prestressed concrete stringer/multi-beam or girder carrying 461st Ave HWY 155 over West Br Skunk Ck in Minnehaha County, South Dakota. It was built in 2020, so it is 5 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 200 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2037. The structure is 100 ft (30.5 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries461st Ave HWY 155
CrossesWest Br Skunk Ck
Location5.2N & 2W Hartford
RouteCounty Highway 0
Coordinates43.70677, -96.99047
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.3 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span96 ft (29.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic300 by 2037
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 461st Ave HWY 155 over West Br Skunk Ck built?

It was built in 2020, making it 5 years old in 2025.

What condition is 461st Ave HWY 155 over 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 July 2024.

How much traffic does 461st Ave HWY 155 over West Br Skunk Ck carry?

About 200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 461st Ave HWY 155 over West Br Skunk Ck?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.2 m) and a deck 35 ft wide.

Who owns 461st Ave HWY 155 over West Br Skunk Ck?

It is owned by the County Highway Agency.