US Bridges

165th Street over James River

PoorPosted for load

Spink County, South Dakota · 1.6 E. Ashton · Structure no. 000000058116170

Built
1955
70 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
286 ft
4 main spans
Daily traffic
146
2022 count
Owner
County
County Highway Agency

About this bridge

165th Street over James River is a steel stringer/multi-beam or girder carrying 165th Street over James River in Spink County, South Dakota. It was built in 1955, so it is 70 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 146 vehicles a day, roughly 3% of them trucks, projected to reach 146 by 2032. The structure is 286 ft (87.2 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries165th Street
CrossesJames River
Location1.6 E. Ashton
RouteCounty Highway 0
Coordinates44.99836, -98.48027
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length286 ft (87.2 m)
Longest span89 ft (27.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2022)
Projected traffic146 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$55.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 165th Street over James River built?

It was built in 1955, making it 70 years old in 2025.

What condition is 165th Street over James River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does 165th Street over James River carry?

About 146 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 165th Street over James River?

The structure is 286 ft (87.2 m) long with a longest span of 89 ft (27.1 m) and a deck 26 ft wide.

Who owns 165th Street over James River?

It is owned by the County Highway Agency.