US Bridges

372nd Avenue over S Fork Snake Creek

Fair

Faulk County, South Dakota · 8.4S Chelsea · Structure no. 000000025410134

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
106
2022 count
Owner
County
County Highway Agency

About this bridge

372nd Avenue over S Fork Snake Creek is a concrete continuous slab carrying 372nd 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 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 106 vehicles a day, roughly 3% of them trucks, projected to reach 106 by 2032. The structure is 124 ft (37.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries372nd Avenue
CrossesS Fork Snake Creek
Location8.4S Chelsea
RouteCounty Highway 0
Coordinates45.05105, -98.73758
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 rating36.2 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2022)
Projected traffic106 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 372nd Avenue over S Fork Snake Creek built?

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

What condition is 372nd 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 October 2024.

How much traffic does 372nd Avenue over S Fork Snake Creek carry?

About 106 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 372nd Avenue over S Fork Snake Creek?

The structure is 124 ft (37.8 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns 372nd Avenue over S Fork Snake Creek?

It is owned by the County Highway Agency.