US Bridges

410th Avenue over Middle Pearl Creek

Good

Beadle County, South Dakota · 1E & 5.8S of Cavour · Structure no. 000000003340238

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
171
2022 count
Owner
County
County Highway Agency

About this bridge

410th Avenue over Middle Pearl Creek is a prestressed concrete tee beam carrying 410th Avenue over Middle Pearl Creek in Beadle County, South Dakota. It was built in 2019, so it is 6 years old, younger than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 171 vehicles a day, roughly 2% of them trucks, projected to reach 171 by 2032. The structure is 51 ft (15.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries410th Avenue
CrossesMiddle Pearl Creek
Location1E & 5.8S of Cavour
Coordinates44.28634, -98.01391
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length51 ft (15.4 m)
Longest span49 ft (14.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171 (2022)
Projected traffic171 by 2032
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 410th Avenue over Middle Pearl Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 410th Avenue over Middle Pearl Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 410th Avenue over Middle Pearl Creek carry?

About 171 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 410th Avenue over Middle Pearl Creek?

The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.8 m) and a deck 33 ft wide.

Who owns 410th Avenue over Middle Pearl Creek?

It is owned by the County Highway Agency.