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Every bridge in Deer Lodge County, Montana

67 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
I 90 over Lost Creek197811,628Fair
I 90 over Willow Creek197810,417Fair
I 90 over Int Galen19785,814Fair
I 90 over Int Galen19785,814Good
I 90 over Sep Huffman Lane19785,814Fair
I 90 over Sep Perkins Lane19785,814Fair
I 90 over Clark Fork River19785,209Good
I 90 over Clark Fork River19785,209Good
I 90 over Int Warm Springs19785,209Good
I 90 over Int Warm Springs19785,209Good
S 1 over Warm Springs Creek19904,752Fair
S 1 over Int I 9019644,640Fair
S 1 over RR19644,640Good
S 1 over Silver Bow Creek19644,640Fair
S 1 over Silver Bow Creek19644,640Fair
S 1 over RR19642,320Good
S 1 Fh 17 over Warm Springs Creek19302,082Fair
S 48 over Warm Springs Creek19311,692Fair
S 273 over Warm Springs Creek19881,000Fair
Frontage Road 011 over Lost Creek 0371931916Fair
S 569 over Mill Creek 0401950824Fair
North Cable Rd over Warm Springs Creek 0211983672Fair
Crackerville Rd over RR 0011946525Fair
Crackerville Rd over Silverbow Creek 0022014525Good
S 43 over Deep Creek2006485Fair
S 43 over Fishtrap Creek1941485Good
S 43 over Lamarche Creek1941485Good
S 43 over Seymour Creek2006485Good
S 43 over Big Hole River1960353Fair
S 569 over French Creek 0431950293Fair
S 569 over French Gulch 0422015293Good
S 596 over Big California Creek2019293Good
Sycamore Street over Warm Springs Creek 0091960283Fair
Willow Glen Rd over Mill Creek 0042015257Good
Stumptown Rd over Warm Springs Creek 0062015142Good
Stewart St over Sep I 90 0031964111Fair
Stewart St over Silverbow Creek 0121969111Fair
Bridge Ln over Warm Springs Creek 0052001100Fair
Cedar Street over Warm Springs Creek 0071997100Fair
County Rd 306 over Twin Lakes Creek 0942013100Good
County Road 098 over Clark Fork River 0201920100Poor
Frontage Road 137 over Warm Springs Creek 0391974100Fair
Frontage Road 146 over Clark Fork River 0341931100Fair
Frontage Road 146 over Drainage 0251931100Fair
Frontage Road 146 over Drainage 0321931100Good
Frontage Road 146 over Willow Creek 0331931100Fair
Galen Rd E over Clark Fork River 0381973100Fair
Gas City Rd over Clark Fork River 0192011100Good
I 90 over Warm Springs-wb Int Ramp1978100Fair
Maple Street over Warm Springs Creek 0111960100Fair
Mt Evans Way over Warm Springs Creek 0161912100Poor
W River Rd over Clark Fork River 0141981100Fair
I 90 over Warm Springs-eb Int Ramp197896Fair
No Data Entered over Deep Creek196675Good
No Data Entered over Jerry CR197350Good
No Data Entered over Jerry Creek196550Fair
No Data Entered over Warm Springs CR201650Good
No Data Entered over Warm Springs CR197950Good
Road 169 over Racetrack CR198150Fair
Road over Foster CR196640Fair
FDR2488 over No Data Entered199420Good
Fdr 2469 over No Data Entered199420Good
No Data Entered over E Fk Fishtrap197320Poor
No Data Entered over W Fk Fishtrap197320Fair
No Data Entered over Storm Lake Creek201110Good
No Data Entered over Storm Lake Creek201110Good
No Data Entered over E Fk Lamarche CR19805Fair

Source: FHWA National Bridge Inventory, 2025.

Deer Lodge County bridge conditions · Montana bridges by county.

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