US Bridges

US016A over US016A

Fair

Pennington County, South Dakota · 0.9 S JCT Sd 244 · Structure no. 000000052310446

Built
1985
40 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
5 main spans
Daily traffic
404
2023 count
Owner
State
State Highway Agency

About this bridge

US016A over US016A is a steel stringer/multi-beam or girder carrying US016A over US016A in Pennington County, South Dakota. It was built in 1985, so it is 40 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 404 vehicles a day, roughly 2% of them trucks, projected to reach 586 by 2043. The structure is 152 ft (46.3 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesUS016A
CrossesUS016A
Location0.9 S JCT Sd 244
RouteU.S. Route 16
CountyPennington County
StateSouth Dakota
Coordinates43.87498, -103.43926
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2023)
Projected traffic586 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US016A over US016A built?

It was built in 1985, making it 40 years old in 2025.

What condition is US016A over US016A 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 2025.

How much traffic does US016A over US016A carry?

About 404 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US016A over US016A?

The structure is 152 ft (46.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns US016A over US016A?

It is owned by the State Highway Agency.