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Every bridge in Todd County, South Dakota

27 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
Irr US083 over Antelope Ck19812,544Fair
Irr Bia Rte 7 over Little White River19721,851Poor
Main Street over Antelope Ck19781,400Fair
Irr US018 over Little White Rv19891,340Fair
Irr US018 over Trib to Oak Ck20051,303Fair
Irr US018 over White Horse Ck20161,303Fair
Irr Bia Rte 5 over Little White River20161,096Good
Irr Bia Rte 5 over Little White River19671,050Poor
Irr Bia Rte 5 over Little White River19671,050Poor
Tpp Bia Rte 5 over Little White River20241,050Good
Irr Bia Rte 5 over Little White River19651,019Poor
Irr SD063 over Cut Meat Ck2002594Fair
Irr Bia Rte 9 over Little White River1970531Fair
Irr Bia Rte 4 over Cut Meat Creek2004200Good
Irr Bia Rte 30 over Little White River1994158Good
Hidden Timber Road over Antelope Ck1951128Poor
Irr Bia Rte 11 over Rosebud Creek1971114Poor
Tpp Bia Rte 11 over Rosebud Creek2024114Good
Bia Rte 5 over Little White River2003100Good
Irr Bia Rte 3 over Little White River196444Poor
Ttp Bia Rte 3 over Little White River202444Good
280TH Ave. over Antelope Ck199427Good
295TH Ave. over Keya Paha Rv194827Fair
Irr County Road over Antelope Ck199427Good
Irr County Road over Antelope Ck202027Good
Irr County Road over Keya Paha Rv200020Good
Irr County Road over Phister Ck200315Good

Source: FHWA National Bridge Inventory, 2025.

Todd County bridge conditions · South Dakota bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.