US Bridges

396th Avenue over James River

Fair

Brown County, South Dakota · 0.5S of Columbia · Structure no. 000000007200230

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
154 ft
4 main spans
Daily traffic
105
2022 count
Owner
County
County Highway Agency

About this bridge

396th Avenue over James River is a concrete continuous slab carrying 396th Avenue over James River in Brown County, South Dakota. It was built in 1999, so it is 26 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 105 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 2032. The structure is 154 ft (47 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries396th Avenue
CrossesJames River
Location0.5S of Columbia
RouteCounty Highway 6251
Coordinates45.60338, -98.31117
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length154 ft (47 m)
Longest span42 ft (12.9 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2022)
Projected traffic400 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 396th Avenue over James River built?

It was built in 1999, making it 26 years old in 2025.

What condition is 396th Avenue over James River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does 396th Avenue over James River carry?

About 105 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 396th Avenue over James River?

The structure is 154 ft (47 m) long with a longest span of 42 ft (12.9 m) and a deck 31 ft wide.

Who owns 396th Avenue over James River?

It is owned by the County Highway Agency.