LaSalle County, IL

529 public highway bridges

LaSalle County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, LaSalle County, Illinois contains 529 public highway bridges. Roughly 37.1% are rated “Good,” 39.7% “Fair,” and 11.5% “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.

529
Total Bridges
37.1%
Good
39.7%
Fair
11.5%
Poor Condition

Condition Distribution

Good
37.1% (196)
Fair
39.7% (210)
Poor
11.5% (61)

All Bridges (529)

I-80 EB

Unknown

Over: FAU 6081 LASALLE RD

.8 MI E JCT IL 251, LaSalle, IL

Built 1996 ADT: 5,200

ILL 351 ST. VINCEN

Unknown

Over: FAI 80

1.6 MI E JC ILL 251, LaSalle, IL

Built 2005 ADT: 28,400

MARSEILLES RD/FAS2

Unknown

Over: I-80

3.8 MI E OF IL 71, LaSalle, IL

Built 2009 ADT: 27,600

IL 170 FAP 786

Unknown

Over: IL RIVER & RIVER RD

S OF US RT 6, LaSalle, IL

Built 2009 ADT: 1,600

IL 178/FAU 6120

Unknown

Over: I-80

N OF US 6 UTICA, LaSalle, IL

Built 2011 ADT: 29,300

PLANK RD/FAU 6097

Unknown

Over: I-80

1.4 MI W OF IL 251, LaSalle, IL

Built 2011 ADT: 26,000

FAS 174/CH 9

Unknown

Over: I-80 /Test Rd Access

4.0 M E of IL 178, LaSalle, IL

Built 2021 ADT: 29,300

FAP 68 (IL 23)

Unknown

Over: Ped Bridge over I-80

Adjacent to IL 23 ov I-80, LaSalle, IL

Built 2021 ADT: 14,200

BROADWAY ST.

Unknown

Over: BNSF RR & IL STREET

0.3 MI.E.OF ILL 23, LaSalle, IL

Built 2008 ADT: 275

CON-RAIL CORP.

Unknown

Over: TR 274

E1600 N 1440 KANGLEY, LaSalle, IL

Built 1900 ADT: 75

FOOT TRAIL

Unknown

Over: OR#1

STARVED ROCK ST PK, LaSalle, IL

Built 1935 ADT: 825

AT&SF RR

Unknown

Over: MILDRED AVE

0.19 W OF OTTER CR, LaSalle, IL

Built 1900 ADT: 3,300

CH 15

Fair

Over: Prairie Creek

E 22nd, N 1356, LaSalle, IL

Built 1955 Load: 15.9 t ADT: 700

TR 382

Fair

Over: COVEL CR

E 23RD N 2250, LaSalle, IL

Built 1950 Load: 16.2 t ADT: 50

FAS 268 B/CH 15

Fair

Over: OTTER CREEK

E 22ND,N 1460, LaSalle, IL

Built 1955 Load: 16.2 t ADT: 600

TR 19

Fair

Over: INDIAN CREEK

N 47TH E 1245, LaSalle, IL

Built 1949 Load: 17.5 t ADT: 75

CH-39

Fair

Over: HOG RUN CREEK

N2079 E,27TH, LaSalle, IL

Built 1940 Load: 17.5 t ADT: 300

TR 205

Fair

Over: CROOKED LEG CR

N 36TH E 1790, LaSalle, IL

Built 1965 Load: 19.1 t ADT: 150

TR 324 A

Fair

Over: BUCK CREEK

E 19TH N 3460, LaSalle, IL

Built 1964 Load: 19.4 t ADT: 475

FAS268 A/CH 15

Fair

Over: ILL & MICH CANAL

CHI5 OVER I&M CANAL, LaSalle, IL

Built 1939 Load: 19.4 t ADT: 5,800

MORRIS RD (MS 2330

Fair

Over: GUM CR

Morris Rd over Gum C, LaSalle, IL

Built 1908 Load: 19.4 t ADT: 50

FAS268 B/CH15

Fair

Over: COVEL CREEK

E 22ND,N 2215, LaSalle, IL

Built 1955 Load: 21.1 t ADT: 950

I-39 SB/US 51 SB

Fair

Over: TOMAHAWK CREEK

3.5 MI N OF I-80, LaSalle, IL

Built 1979 Load: 21.7 t ADT: 9,300

TR-224

Fair

Over: EGG-BAG-CREEK

E 13TH N 1405, LaSalle, IL

Built 1968 Load: 22.0 t ADT: 10

CH 29 /E.15TH RD

Fair

Over: VERMILION RIVER

E 15TH,N 1610, LaSalle, IL

Built 1968 Load: 22.4 t ADT: 625

FAS 174N/CH 41

Fair

Over: INDIAN CREEK

E 1351,N 4600, LaSalle, IL

Built 1952 Load: 22.7 t ADT: 200

TR 7

Fair

Over: LITTLE INDIAN CREEK

N 48TH E 1801, LaSalle, IL

Built 1965 Load: 23.0 t ADT: 200

TR 211

Fair

Over: SPRING CREEK

N 35TH E 115, LaSalle, IL

Built 1972 Load: 23.7 t ADT: 150

TR-3

Fair

Over: INDIAN CREEK

N 48TH E 1210, LaSalle, IL

Built 1936 Load: 24.3 t ADT: 25

TR 332-A

Fair

Over: PRAIRIE CREEK

E 20TH N 1390, LaSalle, IL

Built 1938 Load: 24.3 t ADT: 25

TR 402

Fair

Over: WOLF CREEK

E 24TH N 1460, LaSalle, IL

Built 1946 Load: 24.3 t ADT: 50

TR 463

Fair

Over: TRIB VERMILION R

N 2053 RD E 1175, LaSalle, IL

Built 1924 Load: 24.3 t ADT: 75

TR-456

Fair

Over: NETTLE CREEK

E28TH N3135, LaSalle, IL

Built 1973 Load: 24.3 t ADT: 75

CO RD 5

Fair

Over: BR WOLF CREEK

1875 N 17TH, LaSalle, IL

Built 1940 Load: 24.3 t ADT: 1,150

TR 523

Fair

Over: OTTER CREEK

N 15TH E 2090, LaSalle, IL

Built 1952 Load: 24.3 t ADT: 400

FAS268 B/CH15

Fair

Over: OTTER CREEK

E 22ND,N 1505, LaSalle, IL

Built 1955 Load: 24.6 t ADT: 575

I-39 SB/US 51SB

Fair

Over: B & N RR

0.75 MI N OF US 34, LaSalle, IL

Built 1977 Load: 24.9 t ADT: 8,200

I-39 NB/US 51 NB

Fair

Over: B & N RR

0.76 MI N OF US 34, LaSalle, IL

Built 1977 Load: 24.9 t ADT: 8,200

ILL 71/FAP 311

Fair

Over: STREAM

2.88 MI NE OF FAI 80, LaSalle, IL

Built 1942 Load: 25.3 t ADT: 5,600

FAS 174/CH 9

Fair

Over: SUTPHENS RUN

E 12TH,N 4400, LaSalle, IL

Built 1955 Load: 25.3 t ADT: 450

CO RD 42

Fair

Over: BUCK CREEK

E 15TH,N 3570, LaSalle, IL

Built 1932 Load: 25.6 t ADT: 375

CO RD 32

Fair

Over: FOX RIVER

N 41ST,E 2475, LaSalle, IL

Built 1972 Load: 25.9 t ADT: 1,100

TR 87

Fair

Over: L VERMILLIAN CR

N 43RD E 810, LaSalle, IL

Built 1966 Load: 25.9 t ADT: 100

TR-145

Fair

Over: LITTLE INDIAN CREEK

N40E2060, LaSalle, IL

Built 1969 Load: 25.9 t ADT: 75

TR-157

Fair

Over: DRAINAGE DITCH

N 39TH E 190, LaSalle, IL

Built 1972 Load: 25.9 t ADT: 100

TR 525

Fair

Over: DRAINAGE DITCH

N 14TH E 215, LaSalle, IL

Built 1964 Load: 26.6 t ADT: 75

TR-437

Fair

Over: COVEL CREEK

N 2250 E 1540, LaSalle, IL

Built 1972 Load: 26.6 t ADT: 100

TR 175

Fair

Over: SPRING CREEK

N 38TH E 195, LaSalle, IL

Built 1975 Load: 26.9 t ADT: 100

ILL 71

Fair

Over: STREAM

2.93 MI SW OF US 52, LaSalle, IL

Built 1942 Load: 27.2 t ADT: 5,250

FAS270 CH19

Fair

Over: LITTLE VERMILION

N 4250,E 325, LaSalle, IL

Built 1950 Load: 27.2 t ADT: 1,100
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.