US Bridges

365 Avenue over Smith Ck

Fair

Brule County, South Dakota · 3.5E & 12.1N Kimball · Structure no. 000000008290009

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
110 ft
4 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

365 Avenue over Smith Ck is a concrete continuous slab carrying 365 Avenue over Smith Ck in Brule County, South Dakota. It was built in 1956, so it is 69 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 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 15 vehicles a day, roughly 3% of them trucks, projected to reach 15 by 2032. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries365 Avenue
CrossesSmith Ck
Location3.5E & 12.1N Kimball
RouteCounty Highway 0
Coordinates43.92087, -98.88764
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length110 ft (33.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 365 Avenue over Smith Ck built?

It was built in 1956, making it 69 years old in 2025.

What condition is 365 Avenue over Smith Ck 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 August 2024.

How much traffic does 365 Avenue over Smith Ck carry?

About 15 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 365 Avenue over Smith Ck?

The structure is 110 ft (33.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns 365 Avenue over Smith Ck?

It is owned by the County Highway Agency.