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

CR 275N

Unknown

Over: I-69 NB

01.65 S SR 127, Steuben, IN

Built 1964 ADT: 7,910

CR 400N

Unknown

Over: I-69 SB & RAMP

00.37 S SR 127, Steuben, IN

Built 1966 ADT: 8,317

I-69 NB

Unknown

Over: SR 127

01.68 S SR-120, Steuben, IN

Built 1965 ADT: 4,363

I-69 SB

Unknown

Over: SR 127

01.68 S SR-120, Steuben, IN

Built 1965 ADT: 4,363

I-90 RAMP/I-69

Unknown

Over: I-69 SBL

00.25 N SR 120, Steuben, IN

Built 1965 ADT: 9,459

I-69 NB

Unknown

Over: LAKE GEORGE ROAD

00.88 N I-90, Steuben, IN

Built 1966 ADT: 5,403

I-69 SB

Unknown

Over: LAKE GEORGE ROAD

00.88 N I-90, Steuben, IN

Built 1966 ADT: 5,403

I-90 EB

Unknown

Over: SR 327

09.25 W I-69, Steuben, IN

Built 1956 ADT: 1,169

I-90 WB

Unknown

Over: SR 327

09.25 W I-69, Steuben, IN

Built 1956 ADT: 1,169

CR 800W

Unknown

Over: I-90 EB

01.55 E SR 327, Steuben, IN

Built 1956 ADT: 11,010

I-90 EB

Unknown

Over: CR 650W

03.08 E SR 327, Steuben, IN

Built 1956 ADT: 602

I-90 WB

Unknown

Over: CR 650 W

03.08 E SR 327, Steuben, IN

Built 1956 ADT: 602

I-90 EB

Unknown

Over: CR 450 W

04.28 W I-69, Steuben, IN

Built 1956 ADT: 1,087

I-90 WB

Unknown

Over: CR 450 W

04.28 W I-69, Steuben, IN

Built 1956 ADT: 1,087

CR 300W

Unknown

Over: I-90 WB

02.78 W I-69, Steuben, IN

Built 1956 ADT: 11,010

CR 225W/BURLING

Unknown

Over: I-90 EB

02.02 W I-69, Steuben, IN

Built 1956 ADT: 10,240

I-90 EB

Unknown

Over: CR 700 N

01.23 W I-69, Steuben, IN

Built 1956 ADT: 602

I-90 WB

Unknown

Over: CR 700 N

01.23 W I-69, Steuben, IN

Built 1956 ADT: 602

I-90 EB

Unknown

Over: STEUBEN CO IR-415

01.67 W SR 120, Steuben, IN

Built 1956 ADT: 5,000

I-90 WB

Unknown

Over: I-69, STEUBEN CO IR-415

01.67 W SR 120, Steuben, IN

Built 1956 ADT: 10,510

I-90 EB

Unknown

Over: I-90 RAMP 144B

00.33 E I-69, Steuben, IN

Built 1956 ADT: 1,723

I-90 WB

Unknown

Over: I-90 RAMP 144B

00.33 E I-69, Steuben, IN

Built 1956 ADT: 1,723

VAN GUILDER ROAD

Unknown

Over: I-90 WB

00.68 W SR 120, Steuben, IN

Built 1956 ADT: 11,010

I-90 EB

Unknown

Over: SR 120

01.67 E I-69, Steuben, IN

Built 1956 ADT: 5,749

I-90 WB

Unknown

Over: SR 120

01.67 E I-69, Steuben, IN

Built 1956 ADT: 7,109

CR 500N

Unknown

Over: I-90 WB

00.97 W SR 827, Steuben, IN

Built 1956 ADT: 11,010

I-90 EB

Unknown

Over: SR 827

02.13 E SR 120, Steuben, IN

Built 1956 ADT: 5,353

I-90 WB

Unknown

Over: SR 827

02.13 E SR 120, Steuben, IN

Built 1956 ADT: 5,353

CR 400N

Unknown

Over: I-90 EB

01.34 E SR 827, Steuben, IN

Built 1956 ADT: 11,010

CR 450E

Unknown

Over: I-90 WB

02.04 E SR 827, Steuben, IN

Built 1956 ADT: 11,010

CR 550E

Unknown

Over: I-90 WB

03.18 W SR 827, Steuben, IN

Built 1956 ADT: 11,010

CR 600E

Unknown

Over: I-90 EB

03.83 W SR 827, Steuben, IN

Built 1956 ADT: 11,010

CR 200 N

Unknown

Over: I-90

04.06 W US 20, Steuben, IN

Built 1956 ADT: 10,270

CR 700E/BURCH RD

Unknown

Over: I-90 WB

03.51 W US 20, Steuben, IN

Built 1956 ADT: 10,240

I-90 EB

Unknown

Over: CR 100N

02.51 W US 20, Steuben, IN

Built 1956 ADT: 301

I-90 WB

Unknown

Over: CR 100N

02.51 W US 20, Steuben, IN

Built 1956 ADT: 301

I-90 EB

Unknown

Over: OLD SR 1/TOLEDO ST

01.61 W US 20, Steuben, IN

Built 1956 ADT: 571

I-90 WB

Unknown

Over: OLD SR 1/TOLEDO ST

01.61 W US 20, Steuben, IN

Built 1956 ADT: 571

CR 40S

Unknown

Over: I-90 WB

00.84 W US 20, Steuben, IN

Built 1956 ADT: 10,240

I-90 EB

Unknown

Over: US 20

08.67 E SR 827, Steuben, IN

Built 1956 ADT: 5,478

I-90 WB

Unknown

Over: US 20

08.67 E SR 827, Steuben, IN

Built 1956 ADT: 3,134

CR 935E

Unknown

Over: I-90 WB

00.32 E US 20, Steuben, IN

Built 1956 ADT: 10,460

LN 100 LAKE JAMES

Unknown

Over: PARK ROAD

00.00 POKAGON STATE PARK, Steuben, IN

Built 2000 ADT: 750

US 20 EB

Unknown

Over: I-69 SB

02.55 W SR 127, Steuben, IN

Built 2010 ADT: 12,178

US 20 WB

Unknown

Over: I-69 SB

02.55 W SR-127, Steuben, IN

Built 2010 ADT: 12,178

AMAX COAL HAUL RD

Unknown

Over: SR 54

01.50 W SR 159, Sullivan, IN

Built 1991 ADT: 5,202

INDIANA RR CO

Unknown

Over: SR-54

00.06 E SR 59, Sullivan, IN

Built 1968 ADT: 5,838

SR 154

Unknown

Over: WATER STREET

05.66 W SR 63, Sullivan, IN

Built 1988 ADT: 118

SR 101

Unknown

Over: SERVICE ROAD

00.28 S SR 156, Switzerland, IN

Built 1975 ADT: 20

CSX RR

Unknown

Over: SR 25

00.83 S US 231, Tippecanoe, IN

Built 1934 ADT: 10,845

Showing 1,801-1,850 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.