US Bridges

374th Avenue over Sand Creek

Fair

Beadle County, South Dakota · 13W & 2.4N of Virgil · Structure no. 000000003000205

Built
1900
125 years old, rebuilt 1958
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
156
2022 count
Owner
County
County Highway Agency

About this bridge

374th Avenue over Sand Creek is a wood or timber slab carrying 374th Avenue over Sand Creek in Beadle County, South Dakota. It was built in 1900 and reconstructed in 1958, so it is 125 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 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 156 vehicles a day, roughly 3% of them trucks, projected to reach 156 by 2032. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Carries374th Avenue
CrossesSand Creek
Location13W & 2.4N of Virgil
RouteCounty Highway 0
Coordinates44.33398, -98.70122
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2022)
Projected traffic156 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 374th Avenue over Sand Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1958.

What condition is 374th Avenue over Sand 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 September 2024.

How much traffic does 374th Avenue over Sand Creek carry?

About 156 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 374th Avenue over Sand Creek?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns 374th Avenue over Sand Creek?

It is owned by the County Highway Agency.