Sangamon County, IL

480 public highway bridges

Sangamon County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Sangamon County, Illinois contains 480 public highway bridges. Roughly 49.6% are rated “Good,” 25.2% “Fair,” and 5.2% “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.

480
Total Bridges
49.6%
Good
25.2%
Fair
5.2%
Poor Condition

Condition Distribution

Good
49.6% (238)
Fair
25.2% (121)
Poor
5.2% (25)

All Bridges (480)

I72/MACARTHUR RAMP

Good

Over: UPRR

1.3 MI W I-55, Sangamon, IL

Built 2009 Load: 67.1 t ADT: 3,800

I72/MACARTHUR RAMP

Good

Over: UPRR/RECREATION DR

1.3 MI W I 55, Sangamon, IL

Built 2009 Load: 68.0 t ADT: 3,200

IL 4 (MAIN ST.)

Good

Over: POLECAT CR TRIBUTARY

.5M S MANSION-CHATHM, Sangamon, IL

Built 1978 Load: 89.1 t ADT: 18,500

I-72 / US 36

Good

Over: HOOVER BRANCH

1M E I-55, Sangamon, IL

Built 1974 Load: 97.2 t ADT: 7,250

VETERANS PKWY (IL

Good

Over: LICK CREEK TRIBUTARY

.17M S MATHERS GUN C, Sangamon, IL

Built 1974 Load: 97.2 t ADT: 21,500

TR 348

Poor

Over: HORSE CREEK

2.0 SE OF NEW CITY, Sangamon, IL

Built 1963 ADT: 225

TR 831

Poor

Over: SPRING CREEK

0.3 Mi N of VET PKWY, Sangamon, IL

Built 1960 Load: 2.3 t ADT: 600

TR 446 7.5 E

Poor

Over: WOLF CREEK

1.5 NE WILLIAMSVILLE, Sangamon, IL

Built 1900 Load: 5.2 t ADT: 125

TR 171

Poor

Over: SANGAMON RIVER

2.0 E OF CLEAR LAKE, Sangamon, IL

Built 1950 Load: 10.0 t ADT: 175

TR 428 8.25 E

Poor

Over: S FORK SANG RIVER

2.2 MI E OF NEW CITY, Sangamon, IL

Built 1954 Load: 12.3 t ADT: 100

COUNTY HWY 28

Poor

Over: HORSE CREEK

2.0 MI S PAWNEE, Sangamon, IL

Built 1957 Load: 14.6 t ADT: 375

TR 100 (9.5W)

Poor

Over: SPRING CREEK

4.0 E BERLIN, Sangamon, IL

Built 1970 Load: 16.8 t ADT: 100

TR 104 (9W)

Poor

Over: PRAIRIE CREEK

1.0 NW FARMINGDALE, Sangamon, IL

Built 1971 Load: 16.8 t ADT: 100

TR 383 12.5 S

Poor

Over: S FORK LICK CREEK

3.5 S OF LOAMI, Sangamon, IL

Built 1967 Load: 16.8 t ADT: 75

TR 197 10.25 S

Poor

Over: SPRING CREEK

1.0 W OF RIDDLE HILL, Sangamon, IL

Built 1973 Load: 17.2 t ADT: 400

TR 90 (11W)

Poor

Over: SPRING CREEK

2.0 E BERLIN, Sangamon, IL

Built 1958 Load: 18.1 t ADT: 50

FAS 1622A (CH 28)

Poor

Over: HORSE CREEK

1.0 S PAWNEE, Sangamon, IL

Built 1957 Load: 18.8 t ADT: 325

TR 1 (12N)

Poor

Over: FANCY CREEK

1.5 NW WILLIAMSVILLE, Sangamon, IL

Built 1963 Load: 19.4 t ADT: 50

COUNTY HWY 37

Poor

Over: S FORK SANGAMON RIVE

1.5 MI N NEW CITY, Sangamon, IL

Built 1980 Load: 22.7 t ADT: 1,600

FAS 1636

Poor

Over: RICHLAND CREEK

1.5 MI. E SALISBURY, Sangamon, IL

Built 1952 Load: 23.3 t ADT: 200

FAS 625

Poor

Over: SUGAR CREEK

1.0 S OF AUBURN, Sangamon, IL

Built 1956 Load: 24.3 t ADT: 1,000

I-55 (NB)

Poor

Over: SANGAMON RIVER

2.8M N IL54/SANG. AV, Sangamon, IL

Built 1963 Load: 25.9 t ADT: 14,600

I-55 SB

Poor

Over: SANGAMON RIVER

2.8M N IL54/SANG. AV, Sangamon, IL

Built 1963 Load: 25.9 t ADT: 14,600

I-55 (SB)

Poor

Over: ILLINOIS CENTRAL RR

1M N GLENARM INTCHG, Sangamon, IL

Built 1971 Load: 29.8 t ADT: 17,850

IL 123

Poor

Over: FANCY CREEK

2.5M E IL 29, Sangamon, IL

Built 1919 Load: 36.0 t ADT: 2,450

ILL 54

Poor

Over: WOLF CREEK

1.6M E BARCLAY, Sangamon, IL

Built 1941 Load: 41.1 t ADT: 2,150

TR 478 11E

Poor

Over: BUCKHART CREEK

4.5 E ROCHESTER, Sangamon, IL

Built 1958 Load: 43.4 t ADT: 325

FAS 631-CTY HWY 31

Poor

Over: WOLF CREEK

0.5 N OF SPAULDING, Sangamon, IL

Built 1985 Load: 45.0 t ADT: 1,700

FAS 629

Poor

Over: SPRING CREEK

1.0 S BRADFORDTON, Sangamon, IL

Built 1974 Load: 55.7 t ADT: 4,100

FAS 563 (CH 16)

Poor

Over: Ditch

0.06 mi S of IL 54, Sangamon, IL

Built 1940 Load: 65.8 t ADT: 250

Read our methodology - how this data is sourced, computed, and verified.

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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.