US Bridges

413th Avenue over S. Fork of Pearl Creek

Fair

Beadle County, South Dakota · 8.8S & 4E of Cavour · Structure no. 000000003370268

Built
1930
95 years old, rebuilt 1967
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
45 ft
4 main spans
Daily traffic
121
2022 count
Owner
County
County Highway Agency

About this bridge

413th Avenue over S. Fork of Pearl Creek is a concrete continuous slab carrying 413th Avenue over S. Fork of Pearl Creek in Beadle County, South Dakota. It was built in 1930 and reconstructed in 1967, so it is 95 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 121 vehicles a day, roughly 3% of them trucks, projected to reach 121 by 2032. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries413th Avenue
CrossesS. Fork of Pearl Creek
Location8.8S & 4E of Cavour
RouteCounty Highway 0
Coordinates44.24119, -97.95429
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.
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 inspectionAugust 2023
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 geometry6: Equal to present minimum criteria
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
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span23 ft (7 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2022)
Projected traffic121 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 413th Avenue over S. Fork of Pearl Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1967.

What condition is 413th Avenue over S. Fork of Pearl 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 August 2023.

How much traffic does 413th Avenue over S. Fork of Pearl Creek carry?

About 121 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 413th Avenue over S. Fork of Pearl Creek?

The structure is 45 ft (13.7 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns 413th Avenue over S. Fork of Pearl Creek?

It is owned by the County Highway Agency.