Porter County, IN
280 public highway bridges
Porter County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Porter County, Indiana contains 280 public highway bridges. Roughly 29.3% are rated “Good,” 38.2% “Fair,” and 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 (280)
I-90 EB
UnknownOver: SATTLEY RD/CR 250W
01.42 E SR 49, Porter, IN
I-90 WB
UnknownOver: SATTLEY RD/CR 250E
01.42 E SR 49, Porter, IN
I-90 EB
UnknownOver: JACKSON CTR HWY/CR 350 E
02.43 E SR 49, Porter, IN
I-90 WB
UnknownOver: JACKSON CTR HWY/CR 350 E
02.43 E SR 49, Porter, IN
I-90 EB
UnknownOver: CR 400 E
02.94 E SR 49, Porter, IN
I-90 WB
UnknownOver: CR 400 E
02.94 E SR 49, Porter, IN
CR 550E
UnknownOver: I-90 EB
03.44 W US 421, Porter, IN
JARDINE RD/CR 1200
UnknownOver: I-90 EB
01.82 W US 421, Porter, IN
I-94 EB
UnknownOver: US-20
00.90 E I-90, Porter, IN
US 20
UnknownOver: I-94 WB
00.90 E I-90, Porter, IN
I-94 EB
UnknownOver: AMERIPLEX - S. ENTRANCE
00.53 E SR-249, Porter, IN
I-94 WB
UnknownOver: AMERIPLEX - S. ENTRANCE
00.53 E SR 249, Porter, IN
I-94 EB
UnknownOver: US 20 WBL
00.88 E SR 149, Porter, IN
I-94 WB
UnknownOver: US 20 WBL
00.88 E SR 149, Porter, IN
BEAM STREET
UnknownOver: I-94 EB
01.56 E US-20, Porter, IN
BEAM STREET
UnknownOver: I-94 WB
01.56 E US-20, Porter, IN
WAGNER ROAD
UnknownOver: I-94 WBL
01.67 W SR-49, Porter, IN
WAVERLY ROAD
UnknownOver: I-94 WBL
01.12 W SR-49, Porter, IN
BRUMMITT ROAD
UnknownOver: I-94 WB
02.11 E SR 49, Porter, IN
BROWN RD/CR 500E
UnknownOver: I-94 WB
04.59 E SR 49, Porter, IN
COUNTY LINE RD
UnknownOver: I-94 EB
01.98 W US 421, Porter, IN
SR 49
UnknownOver: US-20
01.02 N I-94, Porter, IN
CR 400N/VALE RD
UnknownOver: SR-49 SBL
01.57 N SR-2, Porter, IN
SR 49
UnknownOver: US-12
00.65 N US-20, Porter, IN
CRISMAN ROAD
UnknownOver: PORTAGE AVE
00.10 E WILLOWCREEK ROAD, Porter, IN
PEDESTRIAN TRAIL
UnknownOver: US 12
01.3 W SR 49, Porter, IN
PORTER TRAIL
UnknownOver: US 20
01.2 E I-94 E JCT, Porter, IN
CR 300S
FairOver: KOSELKI DITCH
00.20 E SR 49, Porter, IN
SR 8
FairOver: SANDY HOOK DITCH
02.73 W SR 49, Porter, IN
CR 1000S
FairOver: HEINHOLD DITCH
00.40 E CR 275 E, Porter, IN
SR 8
FairOver: COBBS CREEK
00.54 E US 231, Porter, IN
CR 250W
FairOver: PHILLIPS DITCH
00.50 S CR 900 S, Porter, IN
CR 700E
FairOver: BRANCH OF KEMPER DITCH
00.30 N 1275 N, Porter, IN
CR 1300N
FairOver: LITTLE CALUMET RIVER
00.10 W CR 450 E, Porter, IN
CR 750S
FairOver: CORNELL DITCH
00.10 E CR 250 W, Porter, IN
CR 150N
FairOver: HUTTON DITCH
01.00 E CR 450 E, Porter, IN
CR 500E
FairOver: REEVES DITCH
00.10 N 1125 S, Porter, IN
CR 500E
FairOver: COOK DITCH
00.10 N 1200 S, Porter, IN
CR 325E
FairOver: REEVES DITCH
00.10 N 1125 S, Porter, IN
CR 200N
FairOver: HUTTON DITCH
01.00 E CR 450 E, Porter, IN
CR 500S
FairOver: SLOCUM DITCH
00.00 W CR 650 E, Porter, IN
CR 450E
FairOver: LITTLE CALUMET RIVER
00.10 N 1300 N, Porter, IN
CR 500S
FairOver: GREIGER DITCH
00.40 W CR 650 E, Porter, IN
CR 100S
FairOver: KOSELKI DITCH
00.10 W CR 450 E, Porter, IN
CR 600S
FairOver: REEVES DITCH
00.50 E CR 600 E, Porter, IN
US 30
FairOver: CROOKED CREEK
03.52 E SR 49, Porter, IN
CR 1000S
FairOver: COBBS CREEK
00.20 E CR 625 W, Porter, IN
CR 200W
FairOver: SALT CREEK
00.30 S JCT US 6, Porter, IN
CR 100S
FairOver: HUTTON DITCH
00.20 W CR 550 E, Porter, IN
CR 875N
FairOver: SALT CREEK
00.30 E JCT SR 149, Porter, IN
Read our methodology - how this data is sourced, computed, and verified.
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