Lake County, IN

488 public highway bridges

Lake County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Lake County, Indiana contains 488 public highway bridges. Roughly 28.9% are rated “Good,” 24% “Fair,” and 5.5% “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.

488
Total Bridges
28.9%
Good
24%
Fair
5.5%
Poor Condition

Condition Distribution

Good
28.9% (141)
Fair
24% (117)
Poor
5.5% (27)

All Bridges (488)

SR 912, 2 RAMPS

Fair

Over: BLOCK AVENUE

01.63 W US 12, Lake, IN

Built 1980 Load: 43.7 t ADT: 126

SR 55

Fair

Over: TURKEY CREEK

01.92 N US 30, Lake, IN

Built 1993 Load: 44.4 t ADT: 19,257

I-80 RM TO SR 912W

Fair

Over: NS RR

00.25 W I-80, Lake, IN

Built 1997 Load: 45.4 t ADT: 22,900

I-90 WB

Fair

Over: WOLF LAKE

02.06 E US 12, Lake, IN

Built 1956 Load: 46.5 t ADT: 18,085

I-90 EB

Fair

Over: WOLF LAKE

02.06 E US 12, Lake, IN

Built 1956 Load: 47.0 t ADT: 18,085

I-90 EB

Fair

Over: EJ&E RR

00.50 E SR 912, Lake, IN

Built 1956 Load: 47.3 t ADT: 17,316

I-90 WB

Fair

Over: EJ&E RR

00.50 E SR 912, Lake, IN

Built 1956 Load: 47.3 t ADT: 15,083

I-90 EB

Fair

Over: IND HARBOR BELT RR

01.48 E US 12, Lake, IN

Built 1956 Load: 48.5 t ADT: 18,357

I-90 WB

Fair

Over: IND HARBOR BELT RR

01.48 E US 12, Lake, IN

Built 1956 Load: 48.5 t ADT: 18,357

US 41

Fair

Over: CSX RR

02.34 N US 231, Lake, IN

Built 1962 Load: 49.6 t ADT: 25,099

I-90 EB

Fair

Over: BURNS DITCH/DEEP RIVER

00.17 W I-94, Lake, IN

Built 1956 Load: 49.6 t ADT: 17,335

I-90 WB

Fair

Over: BURNS DITCH/DEEP RIVER

00.17 W I-94, Lake, IN

Built 1956 Load: 49.6 t ADT: 17,335

RIDGE ROAD

Fair

Over: CONRAIL RAILROAD

00.30 E US 41, Lake, IN

Built 1997 Load: 49.9 t ADT: 16,879

US 41 NB/SB

Fair

Over: GTW RR

02.80 N US 30, Lake, IN

Built 2018 Load: 51.2 t ADT: 48,200

169TH STREET

Fair

Over: CONRAIL RAILROAD

00.30 W. of KENNEDY AVE., Lake, IN

Built 1966 Load: 51.4 t ADT: 11,308

I-90 EB

Fair

Over: IND HARBOR BELT RR

00.89 W US 41, Lake, IN

Built 1956 Load: 51.5 t ADT: 17,450

I-90 WB

Fair

Over: IND HARBOR BELT RR

00.89 W US 41, Lake, IN

Built 1956 Load: 51.5 t ADT: 17,450

SR 2

Fair

Over: BRYANT DITCH

00.60 W I-65, Lake, IN

Built 1962 Load: 58.8 t ADT: 10,018

I-80 EB/WB, 2 RAMP

Fair

Over: ERIE-LACKAWANNA TRAIL

00.08 W US 41, Lake, IN

Built 2005 Load: 61.6 t ADT: 175,670

173RD AVENUE

Fair

Over: BRYANT DITCH

00.20 E of MISSISSIPPI, Lake, IN

Built 1970 Load: 80.1 t ADT: 10

FAIRGROUNDS ROAD

Good

Over: DRAINAGE SWALE

00.38 N of 121st Avenue, Lake, IN

Built 1878 Load: 7.3 t ADT: 5

ACCESS ROAD #1

Good

Over: LITTLE CALUMET RIVER

00.22 E I-80, Lake, IN

Built 1999 Load: 24.9 t ADT: 102

HEDWIG DRIVE

Good

Over: WEST CREEK

00.40 S. OF W. 97TH LANE, Lake, IN

Built 2009 Load: 25.7 t ADT: 800

I-65 NB

Good

Over: WIRTZ DITCH

04.81 N SR 2, Lake, IN

Built 1964 Load: 26.6 t ADT: 25,990

I-65 SB

Good

Over: WIRTZ DITCH

04.81 N SR 2, Lake, IN

Built 1964 Load: 26.6 t ADT: 19,607

213TH STREET

Good

Over: DYER DITCH

00.80 E. of CALUMET AVE., Lake, IN

Built 1996 Load: 27.4 t ADT: 5,782

I-65 NB

Good

Over: MAIN BEAVER DAM DITCH

02.16 N US 231 N JCT, Lake, IN

Built 1966 Load: 28.2 t ADT: 35,847

SR 2

Good

Over: JOHN BRUCE DITCH

00.74 E US 41, Lake, IN

Built 1988 Load: 28.5 t ADT: 7,714

MONON ROAD

Good

Over: BROWN DITCH

00.00 Int of 221st Ave, Lake, IN

Built 1993 Load: 28.6 t ADT: 258

MONON ROAD

Good

Over: TULLY DITCH

00.40 N. of 231st Ave, Lake, IN

Built 2002 Load: 28.6 t ADT: 976

145TH AVENUE

Good

Over: EAST BRANCH STONEY RUN

00.10 E. of US 231, Lake, IN

Built 2004 Load: 29.1 t ADT: 251

US 6

Good

Over: DEEP RIVER

00.71 E SR 51/I-80/94, Lake, IN

Built 1941 Load: 29.2 t ADT: 22,439

US 41

Good

Over: LITTLE CALUMET RIVER

00.51 S I-80, Lake, IN

Built 1996 Load: 30.1 t ADT: 39,016

144TH AVENUE

Good

Over: CEDAR CREEK

00.20 E. of MORSE ST., Lake, IN

Built 2002 Load: 30.3 t ADT: 317

171ST AVENUE

Good

Over: CEDAR CREEK

00.50 E. of MORSE St, Lake, IN

Built 2007 Load: 30.4 t ADT: 1,396

MISSISSIPPI STREET

Good

Over: GRAND TRUNK RAILROAD

00.30 N. OF 69TH AVENUE, Lake, IN

Built 2004 Load: 31.2 t ADT: 10,846

US 6

Good

Over: DEEP RIVER

00.62 W SR 51 E JCT, Lake, IN

Built 1940 Load: 31.8 t ADT: 22,439

I-65 SB

Good

Over: TURKEY CREEK

02.70 N US 30, Lake, IN

Built 1965 Load: 31.8 t ADT: 56,252

I-65 SB EXIT RAMP

Good

Over: TURKEY CREEK

02.70 N US 30, Lake, IN

Built 2000 Load: 31.8 t ADT: 5,070

I-90 WB

Good

Over: GRAND CALUMET RIVER

02.31 E US 12, Lake, IN

Built 2011 Load: 31.8 t ADT: 20,900

RIDGE ROAD

Good

Over: HART DITCH

00.40 W US 41, Lake, IN

Built 1996 Load: 31.8 t ADT: 16,879

KING STREET

Good

Over: DIKE DITCH

00.10 S. of 249th Ave., Lake, IN

Built 1999 Load: 32.0 t ADT: 174

CLINE AVENUE

Good

Over: BROWN DITCH

00.80 S. of 221st Ave, Lake, IN

Built 1996 Load: 32.1 t ADT: 158

221ST AVENUE

Good

Over: SINGLETON DITCH

00.00 Int. of CLINE Ave, Lake, IN

Built 1996 Load: 32.1 t ADT: 119

SR 912

Good

Over: IHB RR

00.19 E US 20, Lake, IN

Built 1960 Load: 32.4 t ADT: 20,546

US 30

Good

Over: PENNSY GREENWAY TRL

01.88 E US 41, Lake, IN

Built 1997 Load: 32.7 t ADT: 40,615

US 41

Good

Over: ARM WEST CREEK

00.25 N US 231, Lake, IN

Built 2014 Load: 32.7 t ADT: 22,421

US 41

Good

Over: CADY MARSH DITCH

01.80 S I-80, Lake, IN

Built 2004 Load: 32.7 t ADT: 3,371

I-65, RAMPS

Good

Over: HIKING TRAIL

05.71 N US 30, Lake, IN

Built 2001 Load: 32.7 t ADT: 95,353

GEORGIA STREET

Good

Over: LITTLE CALUMET RIVER

00.07 S I-80, Lake, IN

Built 1996 Load: 32.7 t ADT: 7,373

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.