Jefferson County, IL

270 public highway bridges

Jefferson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Jefferson County, Illinois contains 270 public highway bridges. Roughly 43% are rated “Good,” 35.6% “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.

270
Total Bridges
43%
Good
35.6%
Fair
5.2%
Poor Condition

Condition Distribution

Good
43% (116)
Fair
35.6% (96)
Poor
5.2% (14)

All Bridges (270)

I 57 NB

Good

Over: CASEY FORK CREEK

4.5 MI S ILL-15 INT, Jefferson, IL

Built 1966 Load: 61.9 t ADT: 18,750

I 57 SB

Good

Over: CASEY FORK CREEK

4.5 MI S ILL-15 INT, Jefferson, IL

Built 1966 Load: 61.9 t ADT: 18,750

IL 37

Good

Over: STREAM

1.5 MI S IL 148, Jefferson, IL

Built 2022 Load: 62.9 t ADT: 7,250

TR-487

Good

Over: ROCKY BRANCH

3 MI SE BELLE RIVE, Jefferson, IL

Built 1988 Load: 68.7 t ADT: 50

I 64

Good

Over: STREAM

1 MI E S TRI-LEVEL, Jefferson, IL

Built 1968 Load: 70.0 t ADT: 14,400

I 57

Good

Over: STREAM

1 MI N BONNIE, Jefferson, IL

Built 1967 Load: 97.2 t ADT: 18,750

TR-188

Poor

Over: CREEK

3.5 MI NE WALTONVILL, Jefferson, IL

Built 1909 Load: 5.8 t ADT: 125

TR-459

Poor

Over: CREEK

2 MI SE BELLE RIVE, Jefferson, IL

Built 1909 Load: 8.1 t ADT: 10

FAS-2869 (ILL-37)

Poor

Over: STREAM

5.2 MI S ILL-148, Jefferson, IL

Built 1921 Load: 15.2 t ADT: 4,150

TR-435A

Poor

Over: STREAM

0.5 MI S BELLE RIVE, Jefferson, IL

Built 1993 Load: 15.2 t ADT: 10

I 64 EB

Poor

Over: CASEY FK & UN PAC RR

.2 MI E ILL-37, Jefferson, IL

Built 1972 Load: 19.8 t ADT: 6,350

I 64 WB

Poor

Over: CASEY FK & UN PAC RR

.2 MI E ILL-37, Jefferson, IL

Built 1972 Load: 22.4 t ADT: 6,350

FAP-849 (ILL-142)

Poor

Over: DODDS CREEK

1.5 MI NW OPDYKE, Jefferson, IL

Built 1928 Load: 29.2 t ADT: 3,650

FAP-849 (ILL-142)

Poor

Over: STREAM

1.8 MI S MT VERNON, Jefferson, IL

Built 1928 Load: 31.8 t ADT: 3,650

FAS-819

Poor

Over: CASEY FORK

TEXICO, Jefferson, IL

Built 1974 Load: 34.7 t ADT: 1,350

I 64 EB

Poor

Over: CNIC RR

.5 MI E BELL RIVE IN, Jefferson, IL

Built 1974 Load: 35.3 t ADT: 5,850

I 64 WB

Poor

Over: CNIC RR

.5 MI E BELL RIVE IN, Jefferson, IL

Built 1974 Load: 37.6 t ADT: 5,850

FAP-821 (ILL-15)

Poor

Over: BIG MUDDY OVERFLOW

9 MI E WASH CO LN, Jefferson, IL

Built 1923 Load: 40.8 t ADT: 5,350

TR-259

Poor

Over: RAYSE CREEK

3 MI W WOODLAWN, Jefferson, IL

Built 2006 Load: 41.1 t ADT: 50

TR 406

Poor

Over: GUN CREEK

1.5 MI SE SPRING GAR, Jefferson, IL

Built 1999 Load: 58.0 t ADT: 100

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.