US Bridges

Main Street over Redstone Ck

Good

Miner County, South Dakota · Main St. - Carthage · Structure no. 000000049062018

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
36
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Main Street over Redstone Ck is a concrete continuous culvert carrying Main Street over Redstone Ck in Miner County, South Dakota. It was built in 2024, so it is 1 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 36 vehicles a day, roughly 2% of them trucks, projected to reach 36 by 2032. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMain Street
CrossesRedstone Ck
LocationMain St. - Carthage
RouteCity Street 0
Coordinates44.17118, -97.72646
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic36 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Main Street over Redstone Ck built?

It was built in 2024, making it 1 years old in 2025.

What condition is Main Street over Redstone Ck 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 November 2024.

How much traffic does Main Street over Redstone Ck carry?

About 36 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Main Street over Redstone Ck?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Main Street over Redstone Ck?

It is owned by the Town or Township Highway Agency.