US Bridges

US016A over US016A

Good

Pennington County, South Dakota · 1.8 S JCT Sd 244 · Structure no. 000000052312449

Built
1976
49 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
6 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 1976, so it is 49 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 404 vehicles a day, roughly 2% of them trucks, projected to reach 586 by 2043. The structure is 176 ft (53.6 m) long and 27 ft wide.

CarriesUS016A
CrossesUS016A
Location1.8 S JCT Sd 244
RouteU.S. Route 16
Coordinates43.86916, -103.43576
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
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 rating93.4 US tons
Inventory rating55.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length176 ft (53.6 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 1976, making it 49 years old in 2025.

What condition is US016A over US016A in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

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 176 ft (53.6 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.