Swanzey Drive over Grizzly Bear Ck

Good Condition52 years old125 vehicles/day

Location

StateSouth Dakota
CountyPennington
Location150s200e Jct16a40 Keyston
CarriesSwanzey Drive
CrossesGrizzly Bear Ck
Coordinates43.89330, -103.42502

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour CriticalUnknown

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length60.0 ft (18.3 m)
Max Span29.9 ft (9.1 m)
Deck Width26.2 ft (8 m)
Deck Area146.4 sq m
Main Spans2
Year Built1974

Traffic

Avg Daily Traffic125 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000052318433

Nearby Bridges

Us016a over Battle Ck 0.0 mi Fair Winter Street. over Ck 0.1 mi Good 3rd Street over Battle Ck 0.2 mi Fair Roy Street over Grizzly Bear Ck 0.3 mi Poor Us016aef over Grizzly Bear Ck 0.3 mi Good Old Hill City Road over Battle Ck 0.3 mi Fair Cemetery Road over Grizzly Bear Ck 0.4 mi Good Sd040 over Battle Ck 0.5 mi Fair Old Hill City Road over Battle Ck 0.5 mi Fair Old Hill City Road over Battle Ck 0.6 mi Fair