US Bridges

374th Avenue over Creek

Fair

Beadle County, South Dakota · 5.8S of Wessington · Structure no. 000000003000178

Built
1925
100 years old, rebuilt 1978
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

374th Avenue over Creek is a concrete continuous slab carrying 374th Avenue over Creek in Beadle County, South Dakota. It was built in 1925 and reconstructed in 1978, so it is 100 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 200 vehicles a day, roughly 3% of them trucks, projected to reach 200 by 2032. The structure is 33 ft (10.1 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Carries374th Avenue
CrossesCreek
Location5.8S of Wessington
RouteCounty Highway 0
Coordinates44.37323, -98.70131
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 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 Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1978.

What condition is 374th Avenue over 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 Creek carry?

About 200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 374th Avenue over Creek?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 34 ft wide.

Who owns 374th Avenue over Creek?

It is owned by the County Highway Agency.