US Bridges

162nd ST over James River

Good

Spink County, South Dakota · 3.3N 1.6E Ashton · Structure no. 000000058124140

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
104 ft
2 main spans
Daily traffic
55
2022 count
Owner
County
County Highway Agency

About this bridge

162nd ST over James River is a concrete continuous slab carrying 162nd ST over James River in Spink 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 55 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2032. The structure is 104 ft (31.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries162nd ST
CrossesJames River
Location3.3N 1.6E Ashton
RouteCounty Highway 0
Coordinates45.04179, -98.46372
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating36.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2022)
Projected traffic55 by 2032
Trucks2%
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 162nd ST over James River built?

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

What condition is 162nd ST over James River 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 January 2025.

How much traffic does 162nd ST over James River carry?

About 55 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 162nd ST over James River?

The structure is 104 ft (31.7 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns 162nd ST over James River?

It is owned by the County Highway Agency.