McHenry County, IL

229 public highway bridges

McHenry County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, McHenry County, Illinois contains 229 public highway bridges. Roughly 37.1% are rated “Good,” 36.7% “Fair,” and 20.1% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

229
Total Bridges
37.1%
Good
36.7%
Fair
20.1%
Poor Condition

Condition Distribution

Good
37.1% (85)
Fair
36.7% (84)
Poor
20.1% (46)

All Bridges (229)

US 14

Unknown

Over: RR - UP & MCCOOB ST

0.2 M N OF ILL 173, McHenry, IL

Built 1940 ADT: 350

CHIGO MIL RR

Unknown

Over: US 12

US 12 S OF RICHMOND, McHenry, IL

Built 1900 ADT: 11,600

CHIGO NORTH WESTER

Unknown

Over: ILL 47

ILL 47 WOODSTOCK, McHenry, IL

Built 1936 ADT: 13,200

CHIGO NORTH WESTER

Unknown

Over: ILL 176

ILL 176 & CNWRR, McHenry, IL

Built 1940 ADT: 12,800

US 14

Unknown

Over: IL 31

US 14 & ILL 31 INCHG, McHenry, IL

Built 1999 ADT: 27,300

IL 31

Unknown

Over: ALGONQUIN RD

2.1 M E Randall Rd, McHenry, IL

Built 2013 ADT: 33,600

IL 23

Unknown

Over: I- 90 Jane Adams

I-90 @ IL23, McHenry, IL

Built 2017 ADT: 57,000

SOUTH STREET

Unknown

Over: US 14

2.8 M W OF IL 47, McHenry, IL

Built 1958 ADT: 13,700

ANTHONY RD

Unknown

Over: I 90

I 90 2.8 MI W ILL 23, McHenry, IL

Built 2015 ADT: 57,000

CHI.& NW. R.R.

Unknown

Over: HILLSIDE ROAD

STATE LN 1 M E IL 47, McHenry, IL

Built 1901 ADT: 150

CHICAGO N.W. R.R.

Unknown

Over: PLEASANT HILL

1 M W OF ILL 31, McHenry, IL

Built 1906 ADT: 1,800

PRAIRIE TRAIL

Unknown

Over: HUNTLEY/ALGONQUIN RD

.4MI E PYOTT, McHenry, IL

Built 1990 ADT: 31,600

Getty Road

Unknown

Over: Interstate 90

0.5 M N of Dekalb CO, McHenry, IL

Built 2013 ADT: 57,000

Harmony Riley Road

Unknown

Over: Interstate 90

I-90 1M W of ILL 23, McHenry, IL

Built 2014 ADT: 57,000

HEBRON RD

Fair

Over: NIPPERSINK CREEK

0.8 W OF JOHNSON RD, McHenry, IL

Built 1961 Load: 9.4 t ADT: 250

PERKINS RD

Fair

Over: W BR PISCASAW CREEK

0.3 W LAWRENCE RD, McHenry, IL

Built 1961 Load: 9.4 t ADT: 225

BUTTONS ROAD

Fair

Over: STREAM

0.8 SE FREEMAN RD, McHenry, IL

Built 1971 Load: 13.9 t ADT: 150

NORTH UNION ROAD

Fair

Over: KISHWAUKEE RIVER

.3 MI NE HEMMINGSEN, McHenry, IL

Built 1973 Load: 18.5 t ADT: 200

MENSCHING RD

Fair

Over: KISHWAUKEE RIVER

6.0 S OF WOODSTOCK, McHenry, IL

Built 1985 Load: 18.8 t ADT: 125

ISLAND ROAD

Fair

Over: MOKELER CREEK

1.1 MI N STREIT RD, McHenry, IL

Built 1926 Load: 19.4 t ADT: 600

THORNE RD

Fair

Over: KISWAUKEE RIVER

1.0 MI N. OF US-20, McHenry, IL

Built 1959 Load: 19.8 t ADT: 275

OAK GROVE ROAD

Fair

Over: STREAM

0.5 MI SW LAWRENCE R, McHenry, IL

Built 1953 Load: 20.7 t ADT: 575

CARLS ROAD

Fair

Over: COON CREEK

0.7 MI N OF IL 23, McHenry, IL

Built 1953 Load: 22.7 t ADT: 50

KISHWAUKEE VALLEY

Fair

Over: Mud Creek

0.2 MI E OLESON RD, McHenry, IL

Built 1958 Load: 22.7 t ADT: 3,500

NICHOLS RD

Fair

Over: NIPPERSINK CREEK

.2 MI NW HILLSIDE RD, McHenry, IL

Built 1953 Load: 23.0 t ADT: 600

AMES RD

Fair

Over: Sleepy Hollow Creek

0.3 MI W BARREVILLE, McHenry, IL

Built 1950 Load: 24.3 t ADT: 1,300

RIVERSIDE DR

Fair

Over: DUTCH CREEK

0.4 S JOHNSBURG RD, McHenry, IL

Built 1953 Load: 24.3 t ADT: 3,600

MILLSTREAM DRIVE

Fair

Over: BOONE CREEK

.3 M N 120.3 M W 31, McHenry, IL

Built 1965 Load: 24.3 t ADT: 2,550

US 12

Fair

Over: N BR NIPPERSINK CR

RICHMOND, McHenry, IL

Built 1951 Load: 24.6 t ADT: 11,600

COON CREEK RD

Fair

Over: COON CREEK

0.6 M S OF IL 23, McHenry, IL

Built 1979 Load: 25.3 t ADT: 175

STREIT RD

Fair

Over: NO BR KISHWAUKEE R

3.5 MI E OF US 14, McHenry, IL

Built 2007 Load: 25.3 t ADT: 100

OLBRICH ROAD

Fair

Over: DRAIN DITCH RUSH CR

.9 MI S DUNHAM RD, McHenry, IL

Built 1921 Load: 26.6 t ADT: 275

THAYER ROAD

Fair

Over: BR OF NIPPERSINK CR

1.8 MI E OF IL 47, McHenry, IL

Built 1954 Load: 27.5 t ADT: 750

STEIG ROAD

Fair

Over: APPLE CREEK

0.7 MI N PERKINS RD, McHenry, IL

Built 1919 Load: 28.2 t ADT: 425

MAXON RD

Fair

Over: PISCASAW CRK

.25 MI W OF HARVARD, McHenry, IL

Built 1992 Load: 28.2 t ADT: 575

MARENGO RD

Fair

Over: Trib W Br Union Cr E

1.5MI E OF US-20, McHenry, IL

Built 1995 Load: 28.2 t ADT: 3,300

US 12

Fair

Over: NIPPERSINK CREEK

4.9 M NW OF LAKE CO, McHenry, IL

Built 1932 Load: 28.8 t ADT: 9,650

WOODBINE RD

Fair

Over: KISHWAUKEE RIVER

0.3 MI NW HALIGUS RD, McHenry, IL

Built 1986 Load: 29.2 t ADT: 50

RIVER ROAD

Fair

Over: KISHWAUKEE R OVERFLO

0.8 MI W OF IL 23, McHenry, IL

Built 1928 Load: 29.5 t ADT: 2,250

SEEMANN RD

Fair

Over: S BR KISHWAUKEE RIV.

0.5 MI S HEMMINGSEN, McHenry, IL

Built 1973 Load: 29.8 t ADT: 525

GRANGE RD

Fair

Over: COON CREEK

0.1 MI W OF BURMA RD, McHenry, IL

Built 1979 Load: 29.8 t ADT: 150

MC GUIRE ROAD

Fair

Over: RUSH CREEK

0.1 MI S SCHULTZ RD, McHenry, IL

Built 1955 Load: 30.1 t ADT: 2,200

GARDEN VALLEY ROAD

Fair

Over: N. BR. KISHWAUKEE R.

0.5MI E MILLSTREAMRD, McHenry, IL

Built 1965 Load: 30.8 t ADT: 550

MCGUIRE RD

Fair

Over: N.BR. KISHAWAUKEE

1.2MI W ALDEN RD, McHenry, IL

Built 1996 Load: 31.1 t ADT: 2,400

CHAPEL HILL RD

Fair

Over: FOX RIVER

0.3 MI NW OF BAY RD, McHenry, IL

Built 1938 Load: 31.8 t ADT: 10,150

IL 23

Fair

Over: RILEY CREEK

1.2 M N I-90 TOLL, McHenry, IL

Built 2002 Load: 32.4 t ADT: 5,200

US 14

Fair

Over: LAWRENCE CREEK

0.47 M S STATE LINE, McHenry, IL

Built 2006 Load: 32.4 t ADT: 6,500

US 14

Fair

Over: LAWRENCE CR BYPASS

.52M S OF STATE LINE, McHenry, IL

Built 2006 Load: 32.4 t ADT: 6,500

PEARL ST

Fair

Over: FOX RIVER

0.05 MI W RIVER RD, McHenry, IL

Built 1977 Load: 32.4 t ADT: 4,500

THOMPSON ROAD

Fair

Over: NIPPERSINK CREEK

0.03 N WNDRMERE RD, McHenry, IL

Built 2011 Load: 32.4 t ADT: 1,600
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.