US Bridges

257th Street over Silver Creek

Good

Minnehaha County, South Dakota · 1N & 0.3E Renner · Structure no. 000000050208130

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

257th Street over Silver Creek is a concrete continuous culvert carrying 257th Street over Silver Creek in Minnehaha 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 49 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2037. The structure is 38 ft (11.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries257th Street
CrossesSilver Creek
Location1N & 0.3E Renner
RouteCounty Highway 0
Coordinates43.65975, -96.71475
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.4 US tons
Inventory rating38.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.7 m)
Longest span12 ft (3.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic55 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 257th Street over Silver Creek built?

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

What condition is 257th Street over Silver 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 December 2024.

How much traffic does 257th Street over Silver Creek carry?

About 49 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 257th Street over Silver Creek?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.8 m) and a deck 24 ft wide.

Who owns 257th Street over Silver Creek?

It is owned by the County Highway Agency.