US Bridges

FAS 6280 over Sansarc Ck

Fair

Stanley County, South Dakota · 11 N 3.2 E of Hayes · Structure no. 000000059107170

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 6280 over Sansarc Ck is a steel culvert carrying FAS 6280 over Sansarc Ck in Stanley County, South Dakota. It was built in 1975, so it is 50 years old, older 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 5 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 6280
CrossesSansarc Ck
Location11 N 3.2 E of Hayes
RouteCounty Highway 0
Coordinates44.5312, -100.95927
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 6280 over Sansarc Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAS 6280 over Sansarc Ck 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 2024.

How much traffic does FAS 6280 over Sansarc Ck carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is FAS 6280 over Sansarc Ck?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns FAS 6280 over Sansarc Ck?

It is owned by the County Highway Agency.