US Bridges

361st Avenue over N Fork of Snake Creek

Poor

Faulk County, South Dakota · 0.5W & 0.1S Cresbard · Structure no. 000000025300061

Built
1979
46 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
136
2022 count
Owner
County
County Highway Agency

About this bridge

361st Avenue over N Fork of Snake Creek is a prestressed concrete tee beam carrying 361st Avenue over N Fork of Snake Creek in Faulk County, South Dakota. It was built in 1979, so it is 46 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 136 vehicles a day, roughly 2% of them trucks, projected to reach 136 by 2032. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries361st Avenue
CrossesN Fork of Snake Creek
Location0.5W & 0.1S Cresbard
RouteCounty Highway 0
Coordinates45.15593, -98.96044
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2022)
Projected traffic136 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 361st Avenue over N Fork of Snake Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 361st Avenue over N Fork of Snake Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

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

About 136 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 361st Avenue over N Fork of Snake Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 31 ft wide.

Who owns 361st Avenue over N Fork of Snake Creek?

It is owned by the County Highway Agency.