US Bridges

359th Ave over Ck

Fair

Hand County, South Dakota · 5.1N & 1W Miller · Structure no. 000000030150199

Built
1910
115 years old, rebuilt 1950
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

359th Ave over Ck is a concrete channel beam carrying 359th Ave over Ck in Hand County, South Dakota. It was built in 1910 and reconstructed in 1950, so it is 115 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 6 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 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 36 ft (11 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries359th Ave
CrossesCk
Location5.1N & 1W Miller
RouteCounty Highway 0
Coordinates44.60679, -99.00906
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span31 ft (9.4 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$324,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 359th Ave over Ck built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1950.

What condition is 359th Ave over 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 July 2024.

How much traffic does 359th Ave over Ck carry?

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

How long is 359th Ave over Ck?

The structure is 36 ft (11 m) long with a longest span of 31 ft (9.4 m) and a deck 17 ft wide.

Who owns 359th Ave over Ck?

It is owned by the County Highway Agency.