Piatt County, IL

249 public highway bridges

Piatt County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Piatt County, Illinois contains 249 public highway bridges. Roughly 59.4% are rated “Good,” 28.9% “Fair,” and 4.8% “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.

249
Total Bridges
59.4%
Good
28.9%
Fair
4.8%
Poor Condition

Condition Distribution

Good
59.4% (148)
Fair
28.9% (72)
Poor
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
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.