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US016 B (SE Conn) over SD044 Sd RR (aband)

Pennington County, South Dakota · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

US016 B (SE Conn) over SD044 Sd RR (aband) in Pennington County, South Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2002, making it 23 years old at the 2025 inventory.
It carries about 16,648 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 121 of the 348 inventoried bridges in Pennington County rated good (34.8%); 21 (6.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 232 ft
Location	Jct US16B & SD44
NBI structure number	000000052446311
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.

Bridge	Built	Vehicles/day	Condition
I090 over Boxelder Ck	1994	26,980	Good
Cambell St over Ck	1964	23,179	Fair
SD079NF over St Joseph St Rcp&e RR	1964	23,179	Fair
Cambell St over Rapid Ck	1967	21,415	Fair
West Main St. over Rapid Ck	1975	20,745	Good
SD231 over Rapid Ck	1974	20,057	Fair