McHenry County, IL
229 public highway bridges
McHenry County Bridge Snapshot
McHenry County, Illinois contains 229 public highway bridges in the FHWA National Bridge Inventory. Roughly 37.1% are rated “Good,” 36.7% “Fair,” 20.1% “Poor,” and 20.1% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.
Inspections in IL are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (229)
NORTH UNION ROAD
PoorOver: KISHWAUKEE RIVER
0.3 MI W OF IL 47, McHenry, IL
MS-3020 Center St
PoorOver: Stream
.7MI SW ROBERTS RD, McHenry, IL
SULLIVAN ROAD
PoorOver: TRIB N BR KISWKE RIV
0.1 MI N COLLINS RD, McHenry, IL
HARMONY ROAD
PoorOver: COON CREEK
0.3 MI E OF PAYNE RD, McHenry, IL
CH-43 Millstream R
PoorOver: S Br Kishwaukee Rvr
0.4 MI N ILL 176, McHenry, IL
HAEGERS BEND RD
PoorOver: FOX RIV INLET
0.3 MI NW ALGONQUIN, McHenry, IL
CH43 (MILLSTREAM R
PoorOver: KISHWAUKEE RIVER
0.5 MI. N. ILL. 176, McHenry, IL
ROOT ROAD
PoorOver: RUSH CREEK
0.1 MI N OF CH 30, McHenry, IL
CHARLES RD
PoorOver: Slough Creek
AT NELSON RD, McHenry, IL
US 12
PoorOver: NIPPERSINK CR OVERFL
0.3 M N OF CO LINE, McHenry, IL
Bay Road
PoorOver: Unnamed Tributary
0.5 mi S of Edgewood, McHenry, IL
WHITE OAKS RD
Structurally DeficientOver: W BRANCH PISCASAW CR
1.8 MI N PERKINS RD, McHenry, IL
VANDER KARR RD
Structurally DeficientOver: BR OF NIPPERSINK CR
2 MI E OF IL 47, McHenry, IL
LAKE VIEW DRIVE
Structurally DeficientOver: ISLAND LAKE
N OF ILL 176, McHenry, IL
PAULSEN RD
Structurally DeficientOver: N BR KISHWAUKEE RIV
1.7 MI S OF STREIT R, McHenry, IL
COUNTY LINE RD
Structurally DeficientOver: KISHWAUKEE OVERFLOW
0.5 M N OFUS 20, McHenry, IL
MARENGO ROAD
Structurally DeficientOver: RUSH CREEK
0.6 MI S AIRPORT RD, McHenry, IL
ALGONQUIN RD
Structurally DeficientOver: SPRING CR
0.1 MI SW PLUM TREE, McHenry, IL
CH-27 (JOHNSON RD)
Structurally DeficientOver: NIPPERSINK CR
0.6 M NE DURKEE RD, McHenry, IL
BUNKER HILL ROAD
Structurally DeficientOver: DRAINAGE DITCH
1.8 MI WEST OF IL 23, McHenry, IL
FAS-39 (HUNTER ROA
Structurally DeficientOver: Little Beaver Creek
0.5 W WHITE OAKS RD, McHenry, IL
BARREVILLE RD
Structurally DeficientOver: Sleepy Hollow Creek
0.4 MI N OF AMES RD, McHenry, IL
SOUTH ST RD
Structurally DeficientOver: FRANKLINVILLE CR
0.1MI E OF ROSE FM, McHenry, IL
THAYER ROAD
Structurally DeficientOver: NIPPERSINK CREEK
0.3 MI W OF IL 47, McHenry, IL
QUEEN ANNE RD
Structurally DeficientOver: NIPPERSINK CREEK
2.7 MI N CHARLES RD, McHenry, IL
MCCUE ROAD
Structurally DeficientOver: KISHWAUKEE RIVER
0.6 MI S OF IL 176, McHenry, IL
TR-73 (Allendale R
Structurally DeficientOver: NIPPERSINK CR
0.4 MI E OF IL 47, McHenry, IL
QUEEN ANNE RD
Structurally DeficientOver: BR OF NIPPERSINK CR
2.4 MI N OF CHARLES, McHenry, IL
OAKWOOD DRIVE
Structurally DeficientOver: BOONE CREEK
.5 M S 1201 M W 31, McHenry, IL
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |