State profile · Below median Poor share

Indiana bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Indiana, based on the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition

Data updated May 2026

Total Bridges

18,630

Public highway bridges in Indiana

Good Condition

36.1%

6,733 bridges rated 7-9

-13.9pp vs 50% benchmark

Poor Condition

4.9%

920 bridges whose lowest applicable component is rated 0-4

-2.1pp vs national avg 7.0%

Indiana vs national bridge condition

Indiana - Good condition share 36.1%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Indiana - Poor-condition share 16.5%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Indiana vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Indiana on the same metric.

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

WY

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

Bridges Needing Most Attention in Indiana

Six lowest-condition bridges in Indiana, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Indiana

I-94 EB

Unknown

Over: US-20

00.90 E I-90, Porter, IN

Built 1966 ADT: 13,476

US 20

Unknown

Over: I-94 WB

00.90 E I-90, Porter, IN

Built 1966 ADT: 10,274

I-94 EB

Unknown

Over: AMERIPLEX - S. ENTRANCE

00.53 E SR-249, Porter, IN

Built 1968 ADT: 132

I-94 WB

Unknown

Over: AMERIPLEX - S. ENTRANCE

00.53 E SR 249, Porter, IN

Built 1968 ADT: 132

I-94 EB

Unknown

Over: US 20 WBL

00.88 E SR 149, Porter, IN

Built 1969 ADT: 11,248

I-94 WB

Unknown

Over: US 20 WBL

00.88 E SR 149, Porter, IN

Built 1969 ADT: 7,011

BEAM STREET

Unknown

Over: I-94 EB

01.56 E US-20, Porter, IN

Built 1969 ADT: 1,185

BEAM STREET

Unknown

Over: I-94 WB

01.56 E US-20, Porter, IN

Built 1969 ADT: 2,013

WAGNER ROAD

Unknown

Over: I-94 WBL

01.67 W SR-49, Porter, IN

Built 1969 ADT: 28,680

WAVERLY ROAD

Unknown

Over: I-94 WBL

01.12 W SR-49, Porter, IN

Built 1969 ADT: 40,435

BRUMMITT ROAD

Unknown

Over: I-94 WB

02.11 E SR 49, Porter, IN

Built 1969 ADT: 16,890

BROWN RD/CR 500E

Unknown

Over: I-94 WB

04.59 E SR 49, Porter, IN

Built 1969 ADT: 28,915

COUNTY LINE RD

Unknown

Over: I-94 EB

01.98 W US 421, Porter, IN

Built 1970 ADT: 16,890

SR 49

Unknown

Over: US-20

01.02 N I-94, Porter, IN

Built 2010 ADT: 11,880

CR 400N/VALE RD

Unknown

Over: SR-49 SBL

01.57 N SR-2, Porter, IN

Built 2012 ADT: 13,870

SR 49

Unknown

Over: US-12

00.65 N US-20, Porter, IN

Built 2011 ADT: 4,720

CRISMAN ROAD

Unknown

Over: PORTAGE AVE

00.10 E WILLOWCREEK ROAD, Porter, IN

Built 1987 ADT: 3,777

PEDESTRIAN TRAIL

Unknown

Over: US 12

01.3 W SR 49, Porter, IN

Built 2012 ADT: 6,122

PORTER TRAIL

Unknown

Over: US 20

01.2 E I-94 E JCT, Porter, IN

Built 2012

PORT RR

Unknown

Over: SR 62 EB

01.39 W SR 69, Posey, IN

Built 1975 ADT: 9,591

A B BROWN ACCESS R

Unknown

Over: SR 62 WB

06.26 E SR 69, Posey, IN

Built 1998 ADT: 8,397

06.28 E SR 69

Unknown

Over: SR 62 WB

05260026393, Posey, IN

SR 165

Unknown

Over: I-64 WBL

00.86 N SR 68, Posey, IN

Built 1967 ADT: 6,000

I-64 EB

Unknown

Over: CAMP ROAD - Indiana

04.37 W of SR-69, Posey, IN

Built 1967 ADT: 5

I-64 WB

Unknown

Over: CAMP ROAD - Indiana

04.37 W of SR-69, Posey, IN

Built 1967 ADT: 5

I-64 EB

Unknown

Over: SR-69 (Griffin Road)

07.51 W SR 165, Posey, IN

Built 1967 ADT: 1,142

I-64 WB

Unknown

Over: SR-69 (Griffin Road)

07.51 W SR 165, Posey, IN

Built 1967 ADT: 1,142

I-64 EB

Unknown

Over: WILSEY ROAD

01.77 E SR 69, Posey, IN

Built 1967 ADT: 143

I-64 WB

Unknown

Over: WILSEY ROAD

01.77 E SR 69, Posey, IN

Built 1967 ADT: 143

PUMPKIN RUN ROAD

Unknown

Over: I-64 EB

02.65 W SR 165, Posey, IN

Built 1967 ADT: 6,100

RAMSEY ROAD

Unknown

Over: I-64 WB

01.50 W SR 165, Posey, IN

Built 1967 ADT: 6,320

SR 68

Unknown

Over: I-64 WB

01.25 E SR 165, Posey, IN

Built 1966 ADT: 6,320

CLEVELAND ROAD

Unknown

Over: I-64 WB

02.95 W SR 65, Posey, IN

Built 1966 ADT: 6,320

ST WENDELL ROAD

Unknown

Over: I-64 WB

01.26 W SR 65, Posey, IN

Built 1966 ADT: 6,215

LOWER MT VERNON RD

Unknown

Over: GREEN VALLEY DR

01.83 E FORD RD, Posey, IN

Built 1998 ADT: 2,320

US 40

Unknown

Over: SERVICE RD - STATE FARM

00.99 W SR 243, Putnam, IN

Built 1985 ADT: 132

CSX RR

Unknown

Over: US 231

01.79 N SR 240, Putnam, IN

Built 1906 ADT: 9,520

SR 243

Unknown

Over: I-70 WBL

05.52 N SR 42, Putnam, IN

Built 1965 ADT: 15,520

RAAB ROAD

Unknown

Over: I-70 EBL

06.66 W SR 243, Putnam, IN

Built 1966 ADT: 15,340

I-70 EB

Unknown

Over: KNIGHT ROAD

04.69 W SR 243, Putnam, IN

Built 1966 ADT: 132

I-70 WB

Unknown

Over: KNIGHT ROAD

04.69 W SR 243, Putnam, IN

Built 1966 ADT: 132

MANHATTAN ROAD

Unknown

Over: I-70 WBL

03.92 W SR 243, Putnam, IN

Built 1966 ADT: 15,340

JOHN GREY ROAD

Unknown

Over: I-70 EBL

01.75 W SR 243, Putnam, IN

Built 1965 ADT: 15,340

JOHN GREY ROAD

Unknown

Over: I-70 WBL

01.75 W SR 243, Putnam, IN

Built 1965 ADT: 15,340

POPLAR GROVE ROAD

Unknown

Over: I-70 WB

01.43 E SR 243, Putnam, IN

Built 1965 ADT: 37,288

I-70 EB

Unknown

Over: US 231 NB

04.02 E SR 243, Putnam, IN

Built 1965 ADT: 7,210

I-70 WB

Unknown

Over: US 231 NB

04.02 E SR 243, Putnam, IN

Built 1965 ADT: 7,585

CR 475E

Unknown

Over: I-70 WB

01.93 E US 231, Putnam, IN

Built 1965 ADT: 16,140

CR 650E/HIGGINS RD

Unknown

Over: I-70 WB

03.74 E US 231, Putnam, IN

Built 1965 ADT: 35,534

CR 825E

Unknown

Over: I-70 WB

05.58 E US 231, Putnam, IN

Built 1965 ADT: 35,534

Showing 1,601-1,650 of 18,630 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.