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Paulsen Rd over Cottonwood Ck

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

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

Paulsen Rd over Cottonwood Ck in Pennington County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1959 and reconstructed in 1989, making it 66 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 21 of the 348 inventoried bridges in Pennington County rated poor (6.0%); 21 (6.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 26 ft
Location	2.3E & 2.2N of Quinn
NBI structure number	000000052983340
Condition class	Poor

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