US Bridges

350th Avenue over S Fork Snake Creek

Good

Faulk County, South Dakota · 3W Faulkton · Structure no. 000000025190145

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

350th Avenue over S Fork Snake Creek is a prestressed concrete stringer/multi-beam or girder carrying 350th Avenue over S Fork Snake Creek in Faulk County, South Dakota. It was built in 1988, so it is 37 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 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 143 ft (43.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries350th Avenue
CrossesS Fork Snake Creek
Location3W Faulkton
RouteCounty Highway 0
Coordinates45.03463, -99.18544
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
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 350th Avenue over S Fork Snake Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 350th Avenue over S Fork Snake Creek 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 350th Avenue over S Fork Snake Creek carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 350th Avenue over S Fork Snake Creek?

The structure is 143 ft (43.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns 350th Avenue over S Fork Snake Creek?

It is owned by the County Highway Agency.