US Bridges

315th Ave over Spring Creek

Fair

Campbell County, South Dakota · 3.6W & 1.3S of Artas · Structure no. 000000011290053

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

315th Ave over Spring Creek is a steel culvert carrying 315th Ave over Spring Creek in Campbell County, South Dakota. It was built in 1990, so it is 35 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2042. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries315th Ave
CrossesSpring Creek
Location3.6W & 1.3S of Artas
Coordinates45.86425, -99.88139
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.5 US tons
Inventory rating41.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width20 ft (6.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 315th Ave over Spring Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 315th Ave over Spring Creek 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 2024.

How much traffic does 315th Ave over Spring Creek carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 315th Ave over Spring Creek?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m) and a deck 20 ft wide.

Who owns 315th Ave over Spring Creek?

It is owned by the County Highway Agency.