US Bridges

US016 over Spring Ck

Fair

Pennington County, South Dakota · 1.8 W JCT US 385 · Structure no. 000000052257401

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
6,443
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 1986, so it is 39 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 6,443 vehicles a day, roughly 5% of them trucks, projected to reach 10,161 by 2044. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS016
CrossesSpring Ck
Location1.8 W JCT US 385
RouteU.S. Route 16
Coordinates43.94042, -103.54442
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length53 ft (16.2 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,443 (2024)
Projected traffic10,161 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 1986, making it 39 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 2024.

How much traffic does US016 over Spring Ck carry?

About 6,443 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US016 over Spring Ck?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.2 m).

Who owns US016 over Spring Ck?

It is owned by the State Highway Agency.