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Every bridge in Roscommon County, Michigan

42 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
M-18|m-55|w Hought over Denton Creek195911,420Fair
County Rd 100|SUNS over I-75 NB19719,280Fair
County Rd 100|SUNS over I-75 SB19719,280Fair
M-55 EB Ramp over I-75 NB19717,828Fair
M-55 WB over I-75 NB19717,828Fair
I-75 Sb|m-55 EB over Old 76|S Saint Helen Rd19717,800Fair
I-75 Nb|m-55 WB over Old 76|S Saint Helen Rd19717,368Fair
M-55 over US-12719616,032Fair
M-18|lake St over S Br Au Sable River19355,505Fair
US-127 NB over Muskegon River19615,350Fair
US-127 SB over Muskegon River19615,350Fair
Old US-27 over Muskegon River19474,802Fair
US-127 SB over Wolf Creek19614,672Fair
US-127 NB over Wolf Creek19614,671Fair
I-75 NB over Russell Lake Rd19714,514Fair
I-75 SB over Russell Lake Rd19714,514Fair
I-75 Bl|federal Hi over I-75 NB19713,361Fair
County Rd 100 over Cut River20203,274Good
I-75bl|m-18|n Rosc over I-75 NB19712,961Fair
M-18 over Backus Creek20192,550Good
Old M-76 over Cedar Creek19491,767Fair
County Rd 104|PINE over US-127 NB19671,750Fair
County Rd 104|PINE over US-127 SB19671,750Fair
Old M-76 over Au Sable River19491,543Fair
Old US-27 over Wolf Creek19351,276Good
County Rd 300|YEAG over US-127 NB1967850Fair
County Road 100 over Cut River1980500Good
F-97|maple Valley over M-55 WB1971500Fair
Bryan J Drive over Channel of Houghton Lk1975300Good
Au Sable RD(CR602) over S Br Au Sable River1976200Fair
Greenwood Rd F-18 over Titabawassee River1975200Fair
Keno Road (CR 602) over S Br Au Sable River1976161Fair
County Rd 400|SNOW over US-127 NB1967130Fair
County Rd 400|SNOW over US-127 SB1967130Fair
County Rd 402|CANO over US-127 NB1967100Fair
County Rd 402|CANO over US-127 SB1967100Fair
Dunham Lake Rd over Titabawassee River1975100Fair
Mead Rd over US-127 NB196760Fair
Mead Rd over US-127 SB196760Fair
St Helen Conn Rte over Denton Creek200150Good
Waco Rd over Creek201050Good
Washburn Road over Townline Creek20095Good

Source: FHWA National Bridge Inventory, 2025.

Roscommon County bridge conditions · Michigan bridges by county.

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