Piatt County, IL

249 public highway bridges

Piatt County Bridge Snapshot

Piatt County, Illinois contains 249 public highway bridges in the FHWA National Bridge Inventory. Roughly 59.4% are rated “Good,” 28.9% “Fair,” 4.8% “Poor,” and 4.8% 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.

249
Total Bridges
59.4%
Good
4.8%
Poor
4.8%
Structurally Deficient

Condition Distribution

Good
59.4% (148)
Fair
28.9% (72)
Poor
4.8% (12)
SD
4.8% (12)

All Bridges (249)

IL 10 (FAP 721)

Unknown

Over: I-72

NE OF WHITE HEATH, Piatt, IL

Built 1969 ADT: 14,500

N&S RR

Unknown

Over: FAP 756

W EDGE OF MONTICELLO, Piatt, IL

Built 1900 ADT: 5,500

SBI 10 (FAS 1532)

Unknown

Over: I-72

W OF WHITE HEATH, Piatt, IL

Built 1962 ADT: 225

TR 87

Unknown

Over: I-72

4 MI NE MONTICELLO, Piatt, IL

Built 1962 ADT: 13,900

FAS 1532 (TR 154)

Unknown

Over: I-72

E OF WHITE HEATH, Piatt, IL

Built 1962 ADT: 13,400

TR 80

Unknown

Over: I-74

3 MI E OF US 54, Piatt, IL

Built 1970 ADT: 21,500

TR 96

Unknown

Over: I-74

2 MI W MANSFIELD, Piatt, IL

Built 1970 ADT: 21,500

FAS 495

Unknown

Over: I-74

N OF MANSFIELD, Piatt, IL

Built 1969 ADT: 22,800

ILL 48(FAP 760)

Unknown

Over: I-72

1 MI W OF CISCO, Piatt, IL

Built 1975 ADT: 11,400

CH 17

Unknown

Over: I-72

AT CISCO, Piatt, IL

Built 1975 ADT: 11,400

TR 16

Unknown

Over: I-72

2 MI E OF CISCO, Piatt, IL

Built 1975 ADT: 11,400

TR 40 A

Unknown

Over: I-72

2 MI W MONTICELLO, Piatt, IL

Built 1975 ADT: 11,400

FAU 7531

Unknown

Over: I-72

.5 MI NW MONTICELLO, Piatt, IL

Built 1975 ADT: 10,900

TR 54

Unknown

Over: I-72

.5 MI NW MONTICELLO, Piatt, IL

Built 1975 ADT: 10,900

ILL 105(FAP 741)

Unknown

Over: I-72

N OF MONTICELLO, Piatt, IL

Built 1975 ADT: 13,900

N&S RR

Unknown

Over: CH 4(BRIDGE ST)

W EDGE OF MONTICELLO, Piatt, IL

Built 1900 ADT: 350

N&S RR

Unknown

Over: CH 6(MARION)

0.1 MI W OF FAS 540, Piatt, IL

Built 1900 ADT: 1,450

CH 12

Fair

Over: STREAM

3.4 MI SE CERO GORDO, Piatt, IL

Built 1939 Load: 19.4 t ADT: 175

TR 178

Fair

Over: DRAINAGE DITCH

1.0 MI S IVESDALE, Piatt, IL

Built 1966 Load: 21.1 t ADT: 25

TR 351

Fair

Over: STREAM

NE LA PLACE, Piatt, IL

Built 1969 Load: 21.4 t ADT: 50

TR 351

Fair

Over: STREAM

LA PLACE, Piatt, IL

Built 1969 Load: 22.0 t ADT: 50

TR 71

Fair

Over: DRAINAGE DITCH

3.0 MI S WELDON, Piatt, IL

Built 1900 Load: 22.7 t ADT: 50

TR 117 A

Fair

Over: STREAM

1 MI SE ALLERTON PK, Piatt, IL

Built 1950 Load: 22.7 t ADT: 25

TR 203

Fair

Over: STREAM

2.25 MI NW HAMMOND, Piatt, IL

Built 1960 Load: 23.3 t ADT: 50

ILL 10(FAP 721)

Fair

Over: GOOSE CREEK BRANCH

W EDGE OF DELAND, Piatt, IL

Built 1977 Load: 24.0 t ADT: 1,600

TR 129

Fair

Over: LAKE FORK DRAIN DIT

4 MI SE MONTICELLO, Piatt, IL

Built 1944 Load: 24.0 t ADT: 25

CH 12

Fair

Over: STREAM

3.2 MI SE CERRO GORD, Piatt, IL

Built 1939 Load: 24.3 t ADT: 250

TR 106

Fair

Over: STREAM

1 MI N PIERSON STATN, Piatt, IL

Built 1960 Load: 24.3 t ADT: 25

TR 145

Fair

Over: LAKE FORK

1.0 MI NE OF BEMENT, Piatt, IL

Built 1900 Load: 24.3 t ADT: 50

TR 33

Fair

Over: MADDEN CREEK

2.2 MI NE GALESVILLE, Piatt, IL

Built 1988 Load: 24.3 t ADT: 25

TR 169

Fair

Over: STREAM

2.0 MI SE MILMINE, Piatt, IL

Built 1961 Load: 25.6 t ADT: 50

TR 173

Fair

Over: STREAM

3.5 MI SSW CERRO GOR, Piatt, IL

Built 1974 Load: 25.6 t ADT: 35

TR 42

Fair

Over: WILDCAT CREEK

3.0 MI SW MONTICELLO, Piatt, IL

Built 1975 Load: 25.9 t ADT: 225

TR 98

Fair

Over: SANGAMON RIVER TRIB

1.0 MI NE LODGE, Piatt, IL

Built 1961 Load: 26.2 t ADT: 25

TR 50

Fair

Over: STREAM

1 MI SW OF HARRIS, Piatt, IL

Built 1969 Load: 27.5 t ADT: 50

TR 195

Fair

Over: LAKE FORK

2.5 MI NW OF ATWOOD, Piatt, IL

Built 1959 Load: 27.9 t ADT: 75

ILL 10(FAP 721)

Fair

Over: SANGAMON RIVER

1.5 MI W OF I-72, Piatt, IL

Built 1977 Load: 28.5 t ADT: 3,100

TR 178

Fair

Over: LAKE FORK DRAIN DIT

2.6 MI SW IVESDALE, Piatt, IL

Built 1937 Load: 28.8 t ADT: 25

TR 145

Fair

Over: DRAINAGE DITCH

3 MI NE BEMENT, Piatt, IL

Built 1961 Load: 29.5 t ADT: 50

TR 173

Fair

Over: STREAM

2.0 MI SE CERRO GORD, Piatt, IL

Built 1967 Load: 29.8 t ADT: 35

TR 80

Fair

Over: S BRANCH SALT CREEK

1.0 MI NE HARRIS, Piatt, IL

Built 1968 Load: 30.1 t ADT: 150

ILL 48(FAP 760)

Fair

Over: CREEK

2.6 MI N OF I-72, Piatt, IL

Built 1931 Load: 31.1 t ADT: 1,250

I-72 (EB)

Fair

Over: SANGAMON RIVER

N OF MONTICELLO, Piatt, IL

Built 1975 Load: 31.1 t ADT: 5,450

I-72 (WB)

Fair

Over: SANGAMON RIVER

N OF MONTICELLO, Piatt, IL

Built 1975 Load: 31.1 t ADT: 5,450

TR 117 A

Fair

Over: WILLOW BRANCH

S EDGE ALLERTON PARK, Piatt, IL

Built 1973 Load: 31.8 t ADT: 25

TR 18

Fair

Over: WOLF RUN

2.0 MI SE CISCO, Piatt, IL

Built 1964 Load: 32.1 t ADT: 175

CH 14

Fair

Over: LAKE FORK DRAIN DIT

5.0 MI N ATWOOD, Piatt, IL

Built 1976 Load: 32.4 t ADT: 25

TR 9

Fair

Over: S BRANCH SALT CREEK

1 MI W OF HARRIS, Piatt, IL

Built 1978 Load: 32.4 t ADT: 50

TR 71

Fair

Over: STREAM

3.5 MI SW DELAND, Piatt, IL

Built 1983 Load: 32.4 t ADT: 50

TR 47

Fair

Over: MADDEN CREEK

2.0 MI SE GALESVILLE, Piatt, IL

Built 1983 Load: 32.4 t ADT: 50

Related

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