US Bridges

369th Ave over Sand Ck

PoorPosted for load

Hand County, South Dakota · 13.7S Vayland · Structure no. 000000030250412

Built
1932
93 years old, rebuilt 1963
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
37
2022 count
Owner
County
County Highway Agency

About this bridge

369th Ave over Sand Ck is a steel stringer/multi-beam or girder carrying 369th Ave over Sand Ck in Hand County, South Dakota. It was built in 1932 and reconstructed in 1963, so it is 93 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 poor condition with a lowest component rating of 3 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. Its operating status is: posted for load restriction.

It carries about 37 vehicles a day, roughly 3% of them trucks, projected to reach 37 by 2032. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries369th Ave
CrossesSand Ck
Location13.7S Vayland
RouteCounty Highway 0
Coordinates44.29364, -98.80211
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating13 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2022)
Projected traffic37 by 2032
Trucks3%
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$324,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 369th Ave over Sand Ck built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1963.

What condition is 369th Ave over Sand Ck 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 July 2024.

How much traffic does 369th Ave over Sand Ck carry?

About 37 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 369th Ave over Sand Ck?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns 369th Ave over Sand Ck?

It is owned by the County Highway Agency.