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.
Condition Distribution
All Bridges (488)
113TH AVENUE
UnknownOver: I-65 SBL
01.36 N US-231, Lake, IN
I-65 NB
UnknownOver: 109TH AVENUE
01.86 N US 231, Lake, IN
109th Avenue
UnknownOver: I-65 SB
01.86 N US 231, Lake, IN
E 101ST AVE
UnknownOver: I-65 SB
02.50 S US 30, Lake, IN
93RD AVENUE
UnknownOver: I-65 SBL
01.70 S US-30, Lake, IN
I-65 NB
UnknownOver: US-30 WBL CD/RAMP
05.38 N US-231, Lake, IN
I-65 SB
UnknownOver: US-30 EBL
05.38 N US-231, Lake, IN
73RD AVENUE
UnknownOver: I-65 SB
00.94 N US 30, Lake, IN
61ST AVENUE
UnknownOver: I-65 SBL
02.51 N US-30, Lake, IN
I-65 NB
UnknownOver: 53RD AVENUE
03.53 N US-30, Lake, IN
I-65 SB
UnknownOver: 53RD AVENUE
03.53 N US-30, Lake, IN
49TH AVENUE
UnknownOver: I-65 NB
04.06 N US-30, Lake, IN
49TH AVENUE
UnknownOver: I-65 SB
04.06 N US-30, Lake, IN
39TH AVENUE
UnknownOver: I-65 NB
05.33 N US-30, Lake, IN
39TH AVENUE
UnknownOver: I-65 SB
05.33 N US-30, Lake, IN
I-65 NB
UnknownOver: 37TH AVE (OLD US 6) WBL
05.61 N US-30, Lake, IN
I-65 SB
UnknownOver: 37TH AVE (OLD US 6) WBL
05.61 N US-30, Lake, IN
35TH AVENUE
UnknownOver: I-65 NB
05.84 N US-30, Lake, IN
35TH AVENUE
UnknownOver: I-65 SB
05.84 N US 30, Lake, IN
I-65 NB
UnknownOver: CENTRAL AVENUE
00.66 N I-80, Lake, IN
I-65 SB
UnknownOver: CENTRAL AVENUE
00.66 N I-80, Lake, IN
I-65 NB
UnknownOver: 15th AVENUE
01.53 N I-80, Lake, IN
I-65 SB
UnknownOver: 15th AVENUE
01.53 N I-80, Lake, IN
COLUMBIA AVENUE
UnknownOver: I-80 (I-94) EBL
00.48 E US-41, Lake, IN
I-80 RAMP 2I
UnknownOver: SR 152 NB CD ON-RAMP
00.04 W US 41/SR 152, Lake, IN
SR 152 SB TO I-80
UnknownOver: I-80 EB RAMP
00.15 S I-80/94, Lake, IN
I-80 WB RAMP "I"
UnknownOver: I-80(I-94) WBL-CD-RAMP
00.95 E US-41, Lake, IN
KENNEDY AVENUE
UnknownOver: I-80(I-94) EBL-CD-RAMP
00.97 E US-41, Lake, IN
I-80 WB RAMP "I"
UnknownOver: KENNEDY AVENUE SBL
00.97 E US-41, Lake, IN
SB RAMP TO I-80/I-
UnknownOver: KENNEDY AVENUE SBL
00.97 E US-41, Lake, IN
I-80 WB RAMP TO SR
UnknownOver: SR-912 WBL-CD-RAMP
02.52 E US-41, Lake, IN
I-80 EB/WB
UnknownOver: SR-912 EBL
02.53 E US-41, Lake, IN
I-80 EB TO SR 912
UnknownOver: SR-912 EBL
02.54 E US-41, Lake, IN
COLFAX STREET
UnknownOver: I-80 (I-94) WBL
01.02 E SR-912, Lake, IN
BURR STREET
UnknownOver: I-80 EBL
01.51 E SR-912, Lake, IN
CLARK STREET
UnknownOver: I-80 WBL
02.02 E of SR 912, Lake, IN
HARRISON STREET
UnknownOver: I-80 EBL
00.48 W of SR-53, Lake, IN
I-80 EB
UnknownOver: I-94 OFF RAMP 15C
00.38 W I-90, Lake, IN
RAMP L-WB TO SR 51
UnknownOver: RAMP M (I90 TO WB I80
00.31 W I-90, Lake, IN
I-90
UnknownOver: US-12, US-20, & US-41
04.10 W US 41, Lake, IN
I-90 ON RAMP
UnknownOver: 108th STREET
00.02 E US 12, Lake, IN
I-90 EB
UnknownOver: 108TH ST
00.26 E US 12, Lake, IN
I-90 WB
UnknownOver: 108TH ST
00.26 E US 12, Lake, IN
I-90 EB
UnknownOver: 112TH ST
00.73 E US 12, Lake, IN
I-90 WB
UnknownOver: 112TH ST
00.73 E US 12, Lake, IN
I-90 EB
UnknownOver: 129TH ST
01.21 W US 41, Lake, IN
I-90 WB
UnknownOver: 129TH ST
01.21 W US 41, Lake, IN
912WB RAMP TO I-90
UnknownOver: SHEFFIELD AVENUE
00.26 W US 41, Lake, IN
I-90 EB RAMP TO 91
UnknownOver: SHEFFIELD AVENUE
00.83 W US 41, Lake, IN
I-90 EB
UnknownOver: SHEFFIELD AVE
00.66 W US 41, Lake, IN
Read our methodology - how this data is sourced, computed, and verified.
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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.