Home › South Dakota › Brown County › 133RD Street over Creek

133RD Street over Creek

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

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

133RD Street over Creek in Brown 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 3 (serious condition) on the 0-9 scale.
It was built in 1935, making it 90 years old at the 2025 inventory.
It carries about 98 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 20 of the 170 inventoried bridges in Brown County rated poor (11.8%); 20 (11.8%) 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	Steel stringer or multi-beam girder
Length	about 25 ft
Location	4.6E of Groton
NBI structure number	000000007346330
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US012 over Moccasin Ck	1954	21,635	Poor
Second Street over First Ave NW	2003	11,055	Fair
Second Street over Burlington Northern RR	2003	11,055	Fair
Second Street over Railroad Ave SW	2003	11,055	Fair
3RD Avenue SE over Moccasin Creek	2019	5,087	Good
US281 over BNSF Railroad	2001	4,468	Fair