Brown County, IL

71 public highway bridges

Brown County Bridge Snapshot

Brown County, Illinois contains 71 public highway bridges in the FHWA National Bridge Inventory. Roughly 47.9% are rated “Good,” 38% “Fair,” 14.1% “Poor,” and 14.1% 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.

71
Total Bridges
47.9%
Good
14.1%
Poor
14.1%
Structurally Deficient

Condition Distribution

Good
47.9% (34)
Fair
38% (27)
Poor
14.1% (10)
SD
14.1% (10)

All Bridges (71)

FAS 582

Fair

Over: STAR DITCH

2.MI NE COOPERSTOWN, Brown, IL

Built 1900 Load: 9.4 t ADT: 50

CH 6

Fair

Over: PURPUS CREEK

5.5 SW TIMEWELL, Brown, IL

Built 1905 Load: 21.1 t ADT: 475

FAS 585

Fair

Over: CAMP CRK

1 MI NO VERSAILLES, Brown, IL

Built 1936 Load: 22.0 t ADT: 250

CH 6

Fair

Over: WELLS FORK

5.5 MI SO TIMEWELL, Brown, IL

Built 1949 Load: 25.6 t ADT: 450

CH 7

Fair

Over: MCKEE CREEK

2 MI W VERSAILLES, Brown, IL

Built 1968 Load: 28.2 t ADT: 250

FAS 1582

Fair

Over: SO BR MISSOURI CR.

6.5 NW MT STERLING, Brown, IL

Built 1962 Load: 30.1 t ADT: 200

FAS 1582

Fair

Over: LITTLE MISSOURI

7 M NW MT STERLING, Brown, IL

Built 2008 Load: 32.4 t ADT: 200

CH 6

Fair

Over: MCKEE CR

2.7 M W MORRELVILLE, Brown, IL

Built 1978 Load: 32.4 t ADT: 75

TR 234

Fair

Over: MC KEE CREEK

1.5 MI N MORRELVILLE, Brown, IL

Built 1984 Load: 32.4 t ADT: 50

TR 208

Fair

Over: BR LITTLE CR

2.3 MI S COOPERSTOWN, Brown, IL

Built 1988 Load: 32.4 t ADT: 50

TR 151

Fair

Over: BRANCH LITTLE CREEK

2MI SW COOPERSTOWN, Brown, IL

Built 1988 Load: 32.4 t ADT: 75

FAS 1588

Fair

Over: DRY FORK CR

4.5 MI S OF MT STERL, Brown, IL

Built 1981 Load: 32.4 t ADT: 275

TR 132

Fair

Over: MCKEE CREEK

4.0MI W VERSAILLES, Brown, IL

Built 1994 Load: 32.4 t ADT: 25

TR 88

Fair

Over: DRY FORK

2.5 SW MT. STERLING, Brown, IL

Built 1994 Load: 32.4 t ADT: 25

TR 21B

Fair

Over: MISSOURI CREEK

6.0 MI N TIMEWELL, Brown, IL

Built 1981 Load: 32.4 t ADT: 100

TR75

Fair

Over: WEST LINE CREEK

1.5 MILES WEST RIPLY, Brown, IL

Built 1975 Load: 32.4 t ADT: 25

TR 75

Fair

Over: HAMILTON CREEK

2.2 MI SW RIPLEY, Brown, IL

Built 1989 Load: 32.4 t ADT: 75

TR 170

Fair

Over: CAMP CREEK

2.0 N. OF VERSAILLES, Brown, IL

Built 1986 Load: 32.4 t ADT: 50

TR 158

Fair

Over: LOGAN CREEK

3.0MISE MT STERLING, Brown, IL

Built 1982 Load: 33.0 t ADT: 25

TR 111

Fair

Over: LOGAN CR

4 M SE MT STERLING, Brown, IL

Built 1978 Load: 33.7 t ADT: 25

CH-12 (FAS 582)

Fair

Over: LITTLE CREEK

2 MI S LAGRANGE, Brown, IL

Built 1990 Load: 35.3 t ADT: 75

IL 99

Fair

Over: N FORK SHELBY CREEK

3.6M N US24-MT STRLG, Brown, IL

Built 1931 Load: 36.0 t ADT: 750

TR 01

Fair

Over: MISSOURI CREEK BRANC

7 MI N OF TIMEWELL, Brown, IL

Built 1969 Load: 38.6 t

IL 99

Fair

Over: MISSOURI CREEK

.25 S SCHUYLER LINE, Brown, IL

Built 1931 Load: 40.5 t ADT: 500

US 24

Fair

Over: LAMOINE RIVER

E RIPLEY-SCHUYLER CO, Brown, IL

Built 2011 Load: 44.1 t ADT: 3,050

TR 113

Fair

Over: ROCKY CREEK

1 MI NW COOPERSTOWN, Brown, IL

Built 1900 Load: 89.1 t ADT: 100

FAS 1582

Fair

Over: LITTLE MISSOURI CR

2.5 N TIMEWELL, Brown, IL

Built 1959 Load: 89.1 t ADT: 150

FAS 582

Good

Over: RUSSETT BRANCH

1 M W VERSAILLES, Brown, IL

Built 1957 Load: 17.2 t ADT: 250

TR 234

Good

Over: DRY FORK CREEK

5 MI E SILOAM SPRING, Brown, IL

Built 1974 Load: 30.1 t ADT: 50

CH 6

Good

Over: CRONIN HOLLOW

2.0 MI SW BUCKHORN, Brown, IL

Built 1999 Load: 32.4 t ADT: 400

TR 189

Good

Over: LITTLE MISSOURI CK

0.5 E. SILOM SPRINGS, Brown, IL

Built 1982 Load: 32.4 t ADT: 25

TR 81

Good

Over: LOGAN CRK

.5 MI SW OF NIOTA, Brown, IL

Built 2004 Load: 32.4 t ADT: 50

TR 230

Good

Over: YOLK CREEK

2.3 E COOPERSTOWN, Brown, IL

Built 2001 Load: 32.4 t ADT: 25

TR 151

Good

Over: BR LITTLE CREEK

3.8MI SE COOPERSTOWN, Brown, IL

Built 1991 Load: 32.4 t ADT: 75

TR 176

Good

Over: TRIB HAMILTON BR

4MI NW COOPERSTOWN, Brown, IL

Built 1998 Load: 32.4 t ADT: 50

TR 151

Good

Over: Baehr Branch

2.11 mi E TR 206, Brown, IL

Built 2014 Load: 32.4 t ADT: 75

TR 181

Good

Over: GILBIRDS CREEK

2 M NW VERSAILLES, Brown, IL

Built 2011 Load: 32.4 t ADT: 25

TR 177

Good

Over: AVERY BRANCH

4.5 M NW VERSAILLES, Brown, IL

Built 2007 Load: 32.4 t ADT: 50

TR 121

Good

Over: DRY FORK

2.8 MI SW MT STRLING, Brown, IL

Built 1984 Load: 32.4 t ADT: 25

TR 129

Good

Over: DRY FORK

2.5 M SW MT STERLING, Brown, IL

Built 2002 Load: 32.4 t ADT: 200

TR 141

Good

Over: WELLS FORK

0.9 mi E TR 10, Brown, IL

Built 2014 Load: 32.4 t ADT: 25

TR 103

Good

Over: WELLS FK CR

2 M S MOUND STATION, Brown, IL

Built 2007 Load: 32.4 t ADT: 25

TR 47

Good

Over: NORTH FORK

7.5 MI NE MT STERLNG, Brown, IL

Built 1987 Load: 32.4 t ADT: 25

TR 164

Good

Over: SHELBYCRK

2.5MNWRIPLEY, Brown, IL

Built 1996 Load: 32.4 t ADT: 25

TR 45

Good

Over: SOUTH FORK

3.75 NE MT STERLING, Brown, IL

Built 1998 Load: 32.4 t ADT: 75

TR 15

Good

Over: TRIB LITTLE MISSOURI

8.0MI N MT STERLING, Brown, IL

Built 1998 Load: 32.4 t ADT: 25

TR-55

Good

Over: Trib to N Fk Shelby

0.30 mi E IL 99, Brown, IL

Built 2017 Load: 32.4 t ADT: 25

TR 162

Good

Over: HAMILTON CREEK

2.0 MI S RIPLEY, Brown, IL

Built 2000 Load: 32.4 t ADT: 25

TR 45

Good

Over: W FORK HAMILTON CK

.75 NE MT STERLING, Brown, IL

Built 2005 Load: 32.4 t ADT: 200

TR 158

Good

Over: N. FRK OF LOGAN CRK.

3.3MI E MT. STERLING, Brown, IL

Built 1991 Load: 32.4 t ADT: 25

Related

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