DeKalb County, IL

264 public highway bridges

DeKalb County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, DeKalb County, Illinois contains 264 public highway bridges. Roughly 38.3% are rated “Good,” 42.4% “Fair,” and 12.5% “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.

264
Total Bridges
38.3%
Good
42.4%
Fair
12.5%
Poor Condition

Condition Distribution

Good
38.3% (101)
Fair
42.4% (112)
Poor
12.5% (33)

All Bridges (264)

UNION PACIFIC RR

Unknown

Over: ANNIE GLIDDEN RD

0.1 MI. S. OF IL 38, DeKalb, IL

Built 1971 ADT: 12,200

CNW RR

Unknown

Over: SHABBONA GROVE RD

2 MI SE SHABBONA, DeKalb, IL

Built 1900 ADT: 375

IC RR

Unknown

Over: ILL 72 FAP 553

IN GENOA, DeKalb, IL

Built 1932 ADT: 6,000

TR 22 TOWER RD

Unknown

Over: I-88

1 MI E OGLE CO LINE, DeKalb, IL

Built 1974 ADT: 24,000

TR 42 WILLRETT RD

Unknown

Over: I-88

2 MI E OGLE CO LINE, DeKalb, IL

Built 1974 ADT: 24,000

FAS 174 LANG RD

Unknown

Over: I-88

3 MI E OGLE CO LINE, DeKalb, IL

Built 1974 ADT: 24,000

FAS 1112 UNIVERSIT

Unknown

Over: I-88

5 MI E OGLE CO LINE, DeKalb, IL

Built 1974 ADT: 24,000

I-88 RAMP (GLIDDEN

Unknown

Over: I-88

W EDGE OF DEKALB, DeKalb, IL

Built 1974 ADT: 24,000

S FIRST ST-DEKALB

Unknown

Over: I-88

S EDGE DEKALB, DeKalb, IL

Built 1974 ADT: 24,000

I-88 WB

Unknown

Over: ILL 23

S EDGE DEKALB, DeKalb, IL

Built 1974 ADT: 3,950

I-88 EB

Unknown

Over: ILL 23

S EDGE DEKALB, DeKalb, IL

Built 1974 ADT: 3,950

FAP 324 - PEACE RD

Unknown

Over: I-88

SE EDGE OF DEKALB, DeKalb, IL

Built 1974 ADT: 31,100

SOMONAUK RD FAS 96

Unknown

Over: I-88

1 MI S CORTLAND, DeKalb, IL

Built 1974 ADT: 31,100

HINCKLEY RD TR 206

Unknown

Over: I-88

2 MI W KANE CO, DeKalb, IL

Built 1974 ADT: 31,100

KESLINGER RD

Unknown

Over: I-88

1 MI W KANE CO, DeKalb, IL

Built 1974 ADT: 31,100

I-88 RMP1072 (OASI

Unknown

Over: I-88 E-W TOLLWAY

.5 MI. E OF ILL 23, DeKalb, IL

Built 1974 ADT: 24,000

UNION PACIFIC RR

Unknown

Over: PEARL ST

0.1 MI S IL38/DEKALB, DeKalb, IL

Built 1966 ADT: 1,800

Pedestrian Walkway

Unknown

Over: I-88

0.7 Mi E Shabbona Rd, DeKalb, IL

Built 2006 ADT: 24,000

TR-171 (OWENS RD)

Fair

Over: E BR BIG ROCK CREEK

1400N 1800E, DeKalb, IL

Built 1957 Load: 12.0 t ADT: 50

BARCHARD ROAD

Fair

Over: BRANCH OF OWENS CR

2990N 300E, DeKalb, IL

Built 1950 Load: 13.9 t ADT: 25

ANDERLAND RD

Fair

Over: BR OF KISHWAUKEE RV

1765N 600E, DeKalb, IL

Built 1963 Load: 15.9 t ADT: 100

KIRKLAND RD

Fair

Over: PR SO BR KISHWAUKEE

3290N 490E, DeKalb, IL

Built 1938 Load: 16.2 t ADT: 575

NEW LEBANON RD

Fair

Over: COON CREEK

3460N 1785E, DeKalb, IL

Built 1969 Load: 17.5 t ADT: 25

IRENE RD

Fair

Over: TRIMBLE RUN

3575N 240E, DeKalb, IL

Built 1948 Load: 17.8 t ADT: 525

PLEASANT HILL ROAD

Fair

Over: BR S BR KISHWAUKEE R

2750N 1045E, DeKalb, IL

Built 1954 Load: 18.1 t ADT: 850

MILLER RD

Fair

Over: BR LITTLE ROCK CREEK

1200N 1395E, DeKalb, IL

Built 1960 Load: 19.4 t ADT: 25

LEE ROAD

Fair

Over: BR LITTLE ROCK CREEK

1100N 1300E, DeKalb, IL

Built 1960 Load: 19.4 t ADT: 225

GLIDDEN RD

Fair

Over: SO BR KISHWAUKEE RV

3250N 850E, DeKalb, IL

Built 1947 Load: 20.1 t ADT: 3,050

TOWER ROAD

Fair

Over: RICKELSON CREEK

1320N 100E, DeKalb, IL

Built 1955 Load: 20.1 t ADT: 100

E PAW PAW RD

Fair

Over: BR PAW PAW RUN

205N 030E, DeKalb, IL

Built 1955 Load: 21.4 t ADT: 100

FAIRVIEW DRIVE

Fair

Over: KILBUCK CREEK

1900N 080E, DeKalb, IL

Built 1955 Load: 21.7 t ADT: 50

UNIVERSITY RD

Fair

Over: SO BR KISHWAUKEE RV

1455N 500E, DeKalb, IL

Built 1954 Load: 21.7 t ADT: 950

UNIVERSITY RD

Fair

Over: S BR KISHWAUKEE RV

1270N 500E, DeKalb, IL

Built 1954 Load: 21.7 t ADT: 950

W. COUNTY LINE RD

Fair

Over: RICKELSON CREEK

1330N 00E, DeKalb, IL

Built 1956 Load: 23.0 t ADT: 475

IL 64 FAP 17

Fair

Over: DRAINAGE DITCH

2.5 MI W SYCAMORE, DeKalb, IL

Built 1937 Load: 23.3 t ADT: 4,500

LELAND RD

Fair

Over: LITTLE INDIAN CREEK

745N 730E, DeKalb, IL

Built 1969 Load: 23.3 t ADT: 425

LASHER ROAD

Fair

Over: E BR BIG ROCK CREEK

1160N 1795E, DeKalb, IL

Built 1957 Load: 23.7 t ADT: 50

IL 23

Fair

Over: SOMONAUK CREEK

1.4 MI N JCT US 30, DeKalb, IL

Built 1975 Load: 24.0 t ADT: 3,150

HAUMESSER RD

Fair

Over: KISHWAUKEE RV

1645N 400E, DeKalb, IL

Built 1968 Load: 24.3 t ADT: 10

SHABBONA GROVE RD

Fair

Over: BIG INDIAN CREEK

700N 495E, DeKalb, IL

Built 1956 Load: 24.3 t ADT: 375

LASHER ROAD

Fair

Over: BATTLE CREEK

1150N 1675E, DeKalb, IL

Built 1972 Load: 24.3 t ADT: 50

HINCKLEY RD

Fair

Over: W BR BIG ROCK CREEK

1015N 1600E, DeKalb, IL

Built 1963 Load: 24.3 t ADT: 1,100

ROLLO RD

Fair

Over: BR INDIAN CREEK

350N 250E, DeKalb, IL

Built 1949 Load: 24.6 t ADT: 575

KIRKLAND ROAD

Fair

Over: S BR KISHWAUKEE RV

3210N 490E, DeKalb, IL

Built 1980 Load: 25.3 t ADT: 575

HOWISON RD

Fair

Over: BR LITTLE ROCK CREEK

1120N 1200E, DeKalb, IL

Built 1954 Load: 25.9 t ADT: 275

HOUGHTBY RD

Fair

Over: BIG INDIAN CREEK

800N 295E, DeKalb, IL

Built 1952 Load: 26.2 t ADT: 75

PERRY RD

Fair

Over: AFTON LATERAL

1500N 660E, DeKalb, IL

Built 1950 Load: 26.6 t ADT: 1,800

MCGIRR RD

Fair

Over: SO BR KISHWAUKEE RV

1300N 540E, DeKalb, IL

Built 1954 Load: 26.9 t ADT: 100

SLEEPY HOLLOW RD

Fair

Over: INDIAN CREEK

520N 470E, DeKalb, IL

Built 1957 Load: 26.9 t ADT: 50

IRENE RD

Fair

Over: TRIMBLE RUN

3500N 240E, DeKalb, IL

Built 1955 Load: 27.2 t ADT: 525
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.