US Bridges

FAS 3215 280 Ave over Willow Ck

Good

Stanley County, South Dakota · 4 W JCT US 83 · Structure no. 000000059374317

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
1 main span
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 3215 280 Ave over Willow Ck is a prestressed concrete stringer/multi-beam or girder carrying FAS 3215 280 Ave over Willow Ck in Stanley County, South Dakota. It was built in 2008, so it is 17 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 210 vehicles a day, roughly 6% of them trucks, projected to reach 277 by 2032. The structure is 141 ft (43 m) long and 35 ft wide.

CarriesFAS 3215 280 Ave
CrossesWillow Ck
Location4 W JCT US 83
RouteCounty Highway 0
Coordinates44.31769, -100.41902
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length141 ft (43 m)
Longest span139 ft (42.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic277 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 FAS 3215 280 Ave over Willow Ck built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAS 3215 280 Ave over Willow 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 September 2024.

How much traffic does FAS 3215 280 Ave over Willow Ck carry?

About 210 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FAS 3215 280 Ave over Willow Ck?

The structure is 141 ft (43 m) long with a longest span of 139 ft (42.3 m) and a deck 35 ft wide.

Who owns FAS 3215 280 Ave over Willow Ck?

It is owned by the County Highway Agency.