US Bridges

361st Avenue over S Fork Snake Creek

Fair

Faulk County, South Dakota · 5.3N Miranda · Structure no. 000000025300137

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

361st Avenue over S Fork Snake Creek is a concrete continuous slab carrying 361st Avenue over S Fork Snake Creek in Faulk County, South Dakota. It was built in 1995, so it is 30 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 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 39 vehicles a day, roughly 2% of them trucks, projected to reach 110 by 2032. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries361st Avenue
CrossesS Fork Snake Creek
Location5.3N Miranda
RouteCounty Highway 0
CountyFaulk County
StateSouth Dakota
Coordinates45.04735, -98.96071
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span29 ft (8.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic110 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 361st Avenue over S Fork Snake Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 361st Avenue over S Fork Snake 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 2024.

How much traffic does 361st Avenue over S Fork Snake Creek carry?

About 39 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 361st Avenue over S Fork Snake Creek?

The structure is 80 ft (24.4 m) long with a longest span of 29 ft (8.7 m) and a deck 31 ft wide.

Who owns 361st Avenue over S Fork Snake Creek?

It is owned by the County Highway Agency.