Us016aef over Grizzly Bear Ck

Good Condition53 years old1,993 vehicles/day

Location

State	South Dakota
County	Pennington
Location	At Keystone
Carries	Us016aef
Crosses	Grizzly Bear Ck
Coordinates	43.88846, -103.42504

Condition Ratings

Overall Condition	Good
Deck	7 (Good)
Superstructure	7 (Good)
Substructure	7 (Good)
Channel/Waterway	8 (Very Good)
Scour Critical	8 — Stable, low risk

Physical Characteristics

Material	Concrete
Design	Slab
Total Length	37.1 ft (11.3 m)
Max Span	34.1 ft (10.4 m)
Deck Width	26.6 ft (8.1 m)
Deck Area	91.5 sq m
Main Spans	1
Year Built	1973

Traffic

Avg Daily Traffic	1,993 (2023)
Truck Traffic	1%
Lanes On Bridge	2

Inspection & Ownership

Last Inspection	423
Inspection Frequency	Every 24 months
Owner	State Highway Agency
Historical Significance	Bridge is not eligible for the National Register
Structure Number	000000052317436

Nearby Bridges

Cemetery Road over Grizzly Bear Ck 0.1 mi Good Roy Street over Grizzly Bear Ck 0.1 mi Poor Winter Street. over Ck 0.2 mi Good Swanzey Drive over Grizzly Bear Ck 0.3 mi Good Us016a over Battle Ck 0.3 mi Fair 3rd Street over Battle Ck 0.4 mi Fair Old Hill City Road over Battle Ck 0.5 mi Fair Old Hill City Road over Battle Ck 0.7 mi Fair Old Hill City Road over Battle Ck 0.7 mi Fair Sd040 over Battle Ck 0.8 mi Fair