McDonough County, IL

210 public highway bridges

McDonough County Bridge Snapshot

McDonough County, Illinois contains 210 public highway bridges in the FHWA National Bridge Inventory. Roughly 51.9% are rated “Good,” 37.6% “Fair,” 6.2% “Poor,” and 6.2% 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.

210
Total Bridges
51.9%
Good
6.2%
Poor
6.2%
Structurally Deficient

Condition Distribution

Good
51.9% (109)
Fair
37.6% (79)
Poor
6.2% (13)
SD
6.2% (13)

All Bridges (210)

TR 192

Fair

Over: CAMP CREEK

SE-19-T4NR3W, McDonough, IL

Built 1980 Load: 32.4 t ADT: 25

TR 362

Fair

Over: CARTER CR

W.CTR-24-T4N,R2W, McDonough, IL

Built 1983 Load: 32.4 t ADT: 75

TR 34

Fair

Over: S. BR CROOKED CREEK

W-17-T7NR4W, McDonough, IL

Built 1978 Load: 33.0 t ADT: 50

US 67

Fair

Over: TOWN CREEK FORK

.1 MI S OF ILL 9, McDonough, IL

Built 1988 Load: 36.0 t ADT: 6,350

ILL 9

Fair

Over: TOWN FORK CREEK

.75 MI W OF US 67, McDonough, IL

Built 1986 Load: 36.0 t ADT: 1,550

TR 237

Fair

Over: E.F. LAMOINE RIVER

W.CTR-17-T5NR4W, McDonough, IL

Built 1977 Load: 36.3 t ADT: 75

TR 173

Fair

Over: SPRING CREEK

NE-5-T5NR3W, McDonough, IL

Built 1978 Load: 36.9 t ADT: 100

US 136

Fair

Over: CAMP CREEK

1 MI S OF ILL 41, McDonough, IL

Built 2007 Load: 37.3 t ADT: 2,850

IL 95

Fair

Over: KEPPLE CREEK

0.2 MI E OF ILL 41, McDonough, IL

Built 2001 Load: 37.9 t ADT: 1,650

TR 290

Fair

Over: TOWN FORK

SW-32-T7NR2W, McDonough, IL

Built 1977 Load: 38.2 t ADT: 25

SB US 67

Fair

Over: E FORK LAMOINE RIVER

1 MI N OF MACOMB, McDonough, IL

Built 1988 Load: 39.5 t ADT: 6,050

NB US 67

Fair

Over: E FORK LAMOINE RIVER

1 MI N OF MACOMB, McDonough, IL

Built 1988 Load: 39.5 t ADT: 6,050

TR 320

Fair

Over: CARTER CREEK

N.CTR-28-T4NR2W, McDonough, IL

Built 1900 Load: 39.5 t ADT: 75

ILL 9

Fair

Over: BAPTIST CREEK

2 MI E BLANDINSVILLE, McDonough, IL

Built 1997 Load: 40.2 t ADT: 1,600

ILL 41

Fair

Over: KJRY, BNSFRR'S

2.5 MI S OF BUSHNELL, McDonough, IL

Built 1938 Load: 40.5 t ADT: 3,000

FAP 315 IL 336EB

Fair

Over: TRIB KILLJORDAN CR

SOUTHWEST OF MACOMB, McDonough, IL

Built 2008 Load: 41.5 t ADT: 3,800

FAP-407 (IL-336WB)

Fair

Over: Trib Killjordon Crk

SW of Macomb, McDonough, IL

Built 2008 Load: 41.5 t ADT: 3,800

FAS-441 (CH-26)

Fair

Over: Hogwallow Branch

CTR-34-T4NR4W, McDonough, IL

Built 1969 Load: 41.5 t ADT: 175

IL 336

Fair

Over: WILDLIFE CROSSING

3.75MI N of US 136, McDonough, IL

Built 2015 Load: 42.4 t ADT: 1,600

US 67

Fair

Over: TROUBLESOME CREEK

1.7 MI S OF US 136, McDonough, IL

Built 1923 Load: 43.4 t ADT: 2,400

CH 8

Fair

Over: E FORK LAMOINE RIVER

1 MI N COLCHESTER, McDonough, IL

Built 1956 Load: 44.4 t ADT: 1,200

IL 336EB

Fair

Over: BNSF RR

SW OF TENNESSEE, McDonough, IL

Built 2008 Load: 44.7 t ADT: 3,900

IL 336WB

Fair

Over: BNSF RR

SW OF TENNESSEE, McDonough, IL

Built 2008 Load: 44.7 t ADT: 3,900

US 67

Fair

Over: SHORT FORK TRIBUTARY

0.5 MI N GOOD HOPE, McDonough, IL

Built 1994 Load: 45.0 t ADT: 4,850

SB US 67

Fair

Over: E FORK CROOKED CREEK

1.2MI S WARREN CO LN, McDonough, IL

Built 1996 Load: 45.4 t ADT: 4,850

NB US 67

Fair

Over: E FORK CROOKED CREEK

1.21MI S WARRN CO LN, McDonough, IL

Built 1996 Load: 45.4 t ADT: 4,850

ILL 61

Fair

Over: BNSF RR (072826L)

SOUTH OF COLMAR, McDonough, IL

Built 1954 Load: 47.3 t ADT: 950

US 67

Fair

Over: GRINDSTONE CR

N EDGE OF INDUSTRY, McDonough, IL

Built 2007 Load: 47.3 t ADT: 2,300

US 136 (EB)

Fair

Over: E FORK La MOINE RIVR

1.4 MI W JCT 61 136, McDonough, IL

Built 2008 Load: 47.6 t ADT: 3,400

US 136 (WB)

Fair

Over: E FORK LA MOINE RIVR

1.4 MI W JCT 61 136, McDonough, IL

Built 2008 Load: 47.6 t ADT: 3,400

ILL 61

Fair

Over: La MOINE RIVER

1 MI S OF COLMAR, McDonough, IL

Built 2011 Load: 48.3 t ADT: 950

US 67

Fair

Over: CAMP CREEK

3 MI N OF INDUSTRY, McDonough, IL

Built 1924 Load: 48.6 t ADT: 2,300

IL 9

Fair

Over: SHAW CREEK

0.75 MI E OF ILL 41, McDonough, IL

Built 2010 Load: 49.2 t ADT: 800

NB US 67

Fair

Over: FARMERS FORK

1 MI S OF ILL 9, McDonough, IL

Built 2012 Load: 50.9 t ADT: 6,350

SB US 67

Fair

Over: FARMERS FORK

1 MI S OF ILL 9, McDonough, IL

Built 2012 Load: 53.5 t ADT: 6,350

IL 9

Fair

Over: N Fork Lamoine River

2 mi W of Bushnell, McDonough, IL

Built 2018 Load: 58.3 t ADT: 2,250

ILL 95

Fair

Over: BNSF RR (063798L)

.5 MI E OF ILL 41, McDonough, IL

Built 2016 Load: 60.6 t ADT: 1,650

FAP 407 IL 336

Fair

Over: TRIB KILLJORDAN CRK

0.2 MI NE TR 226, McDonough, IL

Built 2008 Load: 89.1 t ADT: 3,800

FAS 417 - CH 11

Good

Over: S BRANCH CROOKED CR

NW-16-T7NR4W, McDonough, IL

Built 1937 Load: 17.5 t ADT: 325

FAS 441 - CH 15

Good

Over: GRINDSTONE CREEK

SW-16-T4NR2W, McDonough, IL

Built 1952 Load: 20.4 t ADT: 425

BERM ACCESS ROAD

Good

Over: LAKE ARGYLE SPLWY

W. CTR-6-T5NR3W, McDonough, IL

Built 1958 Load: 21.7 t ADT: 50

TR 268

Good

Over: TOWN CREEK

NE-35-T7NR3W, McDonough, IL

Built 1899 Load: 22.4 t ADT: 50

FAS 1436-CH 12

Good

Over: FARMERS FORK

SW-35-T7NR2W, McDonough, IL

Built 1956 Load: 22.7 t ADT: 275

FAS 417 - CH 11

Good

Over: N BRANCH CROOKED CR

W.CTR-4-T7NR4W, McDonough, IL

Built 1937 Load: 24.3 t ADT: 325

TR 221

Good

Over: TRIB CAMP CR

E.CTR-9-T5NR1W, McDonough, IL

Built 1955 Load: 24.3 t ADT: 50

FAS 435-CH 24

Good

Over: BR TROUBLESOME CREEK

E.CTR-9-T4NR4W, McDonough, IL

Built 1990 Load: 24.6 t ADT: 275

FAS 1439 - CH 8

Good

Over: TROUBLESOME CREEK

NE-31-T5NR3W, McDonough, IL

Built 1931 Load: 25.3 t ADT: 650

FAS 441 - CH 26

Good

Over: CAMP CREEK

W.CTR-31-T4NR3W, McDonough, IL

Built 1958 Load: 25.6 t ADT: 150

FAS 443 - CH 16

Good

Over: GRINDSTONE CREEK

SW-19-T4NR2W, McDonough, IL

Built 1955 Load: 25.9 t ADT: 550

FAS 1438 - CH 14

Good

Over: SPRING CREEK

CTR-28-T6NR3W, McDonough, IL

Built 1955 Load: 26.6 t ADT: 475

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial