US Bridges

151 Street over North Fork Yellow Bank R

Good

Grant County, South Dakota · 7.3E & 2S Milbank · Structure no. 000000026363090

Built
1965
60 years old, rebuilt 2021
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
52
2022 count
Owner
County
County Highway Agency

About this bridge

151 Street over North Fork Yellow Bank R is a steel stringer/multi-beam or girder carrying 151 Street over North Fork Yellow Bank R in Grant County, South Dakota. It was built in 1965 and reconstructed in 2021, so it is 60 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 52 vehicles a day, roughly 2% of them trucks, projected to reach 52 by 2032. The structure is 52 ft (15.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries151 Street
CrossesNorth Fork Yellow Bank R
Location7.3E & 2S Milbank
RouteCounty Highway 0
Coordinates45.19453, -96.48916
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2022)
Projected traffic52 by 2032
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 151 Street over North Fork Yellow Bank R built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2021.

What condition is 151 Street over North Fork Yellow Bank R 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 September 2024.

How much traffic does 151 Street over North Fork Yellow Bank R carry?

About 52 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 151 Street over North Fork Yellow Bank R?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 25 ft wide.

Who owns 151 Street over North Fork Yellow Bank R?

It is owned by the County Highway Agency.