US Bridges

US016 over Spring Ck

Fair

Pennington County, South Dakota · 2.4 N of Custer CO Line · Structure no. 000000052224439

Built
1996
29 years old
Condition
Fair
inspected March 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
7,273
2024 count
Owner
State
State Highway Agency

About this bridge

US016 over Spring Ck is a concrete continuous culvert carrying US016 over Spring Ck in Pennington County, South Dakota. It was built in 1996, so it is 29 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 7,273 vehicles a day, roughly 5% of them trucks, projected to reach 11,470 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS016
CrossesSpring Ck
Location2.4 N of Custer CO Line
RouteU.S. Route 16
Coordinates43.88424, -103.60546
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating78.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,273 (2024)
Projected traffic11,470 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US016 over Spring Ck built?

It was built in 1996, making it 29 years old in 2025.

What condition is US016 over Spring 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 March 2022.

How much traffic does US016 over Spring Ck carry?

About 7,273 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US016 over Spring Ck?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US016 over Spring Ck?

It is owned by the State Highway Agency.