US Bridges

US016 E over Spring Ck

Fair

Pennington County, South Dakota · 2.3 S JCT US 16B · Structure no. 000000052393366

Built
1963
62 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
119 ft
3 main spans
Daily traffic
4,913
2024 count
Owner
State
State Highway Agency

About this bridge

US016 E over Spring Ck is a concrete continuous slab carrying US016 E over Spring Ck in Pennington County, South Dakota. It was built in 1963, so it is 62 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 4,913 vehicles a day, roughly 6% of them trucks, projected to reach 7,748 by 2044. The structure is 119 ft (36.3 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS016 E
CrossesSpring Ck
Location2.3 S JCT US 16B
RouteU.S. Route 16
Coordinates43.98818, -103.2722
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating41.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span43 ft (13 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,913 (2024)
Projected traffic7,748 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 E over Spring Ck built?

It was built in 1963, making it 62 years old in 2025.

What condition is US016 E 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 January 2024.

How much traffic does US016 E over Spring Ck carry?

About 4,913 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is US016 E over Spring Ck?

The structure is 119 ft (36.3 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.

Who owns US016 E over Spring Ck?

It is owned by the State Highway Agency.