State profile · Below national median SD

Indiana bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Indiana — drawn straight from the FHWA National Bridge Inventory.

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

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 rated 0-4

Structurally Deficient

4.9%

920 bridges flagged for repair priority

-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 — Structurally deficient 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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Indiana on the same metric.

05

Arkansas

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

53

Washington

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

18

Indiana

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

20

Kansas

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

56

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 composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Indiana

MILL CREEK RD

Good

Over: JH LEAP DITCH

00.39 S OF 226TH ST, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 1,480

191ST ST EAST

Good

Over: N COOL CREEK

00.47 E US 31, Hamilton, IN

Built 2013 Load: 32.7 t ADT: 10,620

CLAY TERRACE BLVD

Good

Over: HIWAY RUN

00.08 W OF US 31, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 18,440

FALCON RIDGE RD

Good

Over: REAM CREEK

00.35 W OF WESTFIELD BLVD, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 600

SHADOW RIDGE RD

Good

Over: REAM CREEK

00.37 W OF WESTFIELD BLVD, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 600

CHERRY CREEK BLVD

Good

Over: VESTAL DITCH

00.41 E OF HAZEL DELL RD, Hamilton, IN

Built 2005 Load: 32.7 t ADT: 440

BERGEN BLVD

Good

Over: EE BENNETT DRAIN

00.27 S OF 146TH ST, Hamilton, IN

Built 2005 Load: 32.7 t ADT: 440

SPRING MILL RD

Good

Over: WILLIAMS CREEK

00.05 N OF 131ST ST, Hamilton, IN

Built 2006 Load: 32.7 t ADT: 18,100

MAYS LANDING DR

Good

Over: SHOEMAKER DITCH

00.50 W OF SR 37, Hamilton, IN

Built 2006 Load: 32.7 t ADT: 840

LAMONG RD

Good

Over: MCKINZIE DITCH

00.60 S OF 276TH ST, Hamilton, IN

Built 2006 Load: 32.7 t ADT: 180

CAMPUS PKWY

Good

Over: SAND CREEK

00.05 E OF BROOKS SCHOOL, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 24,260

146TH ST EAST

Good

Over: WILLIAM LEHR DITCH

00.14 W OF MARILYN RD, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 22,030

PARKSIDE DR

Good

Over: BRITTON BRANCH

00.22 N OF 131ST ST, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 600

CUMBERLAND RD

Good

Over: SAND CREEK

00.32 N OF 106TH ST, Hamilton, IN

Built 2015 Load: 32.7 t ADT: 12,650

FALL ROAD

Good

Over: SUGAR RUN CREEK

00.24 N OF E 234TH ST, Hamilton, IN

Built 2008 Load: 32.7 t ADT: 320

106TH ST WEST

Good

Over: TRIBUTARY OF WILLIAMS CR

00.21 W OF US 31, Hamilton, IN

Built 2015 Load: 32.7 t ADT: 14,000

266TH ST EAST

Good

Over: LONG BRANCH CREEK

00.14 W OF LACY ROAD, Hamilton, IN

Built 2014 Load: 32.7 t ADT: 190

156TH ST WEST

Good

Over: UNKNOWN STREAM

01.67 E OF SR 421, Hamilton, IN

Built 2014 Load: 32.7 t ADT: 310

246TH ST EAST

Good

Over: SUGAR RUN

00.25 W OF RULON RD, Hamilton, IN

Built 2008 Load: 32.7 t ADT: 280

231ST ST EAST

Good

Over: BEAR SLIDE CREEK

00.32 E OF MILL CREEK RD, Hamilton, IN

Built 2008 Load: 32.7 t ADT: 180

161ST ST EAST

Good

Over: KIRKENDALL CREEK

00.40 W OF E 33RD ST, Hamilton, IN

Built 2008 Load: 32.7 t ADT: 4,160

W MAIN ST

Good

Over: ALMOND DITCH

00.05 E OF CLAY CENTER RD, Hamilton, IN

Built 2009 Load: 32.7 t ADT: 11,050

W MAIN ST

Good

Over: HENLEY CREEK

00.28 W OF SPRINGMILL RD, Hamilton, IN

Built 2009 Load: 32.7 t ADT: 11,050

SCHULLEY ROAD

Good

Over: JH LEAP DITCH

00.01 N OF E 221ST STREET, Hamilton, IN

Built 2010 Load: 32.7 t ADT: 1,010

96TH ST WEST

Good

Over: CROOKED CREEK

00.03 W N SHELBORNE RD, Hamilton, IN

Built 2011 Load: 32.7 t ADT: 29,140

UNION CHAPEL RD

Good

Over: STONY CREEK OVERFLOW

00.20 N OF 166TH STREET, Hamilton, IN

Built 2011 Load: 32.7 t ADT: 2,940

UNION CHAPEL RD

Good

Over: STONY CREEK

00.18 N OF 166TH ST, Hamilton, IN

Built 2010 Load: 32.7 t ADT: 2,940

161ST ST EAST

Good

Over: COOL CREEK

00.07 E WESTFIELD BLVD, Hamilton, IN

Built 2013 Load: 32.7 t ADT: 7,010

SCHERER AVENUE

Good

Over: SCHERER DRAIN

00.36 S OF E 256TH ST, Hamilton, IN

Built 2012 Load: 32.7 t ADT: 220

166TH ST EAST

Good

Over: WILLIAM LEHR DRAIN

00.18 W OF BODEN ROAD, Hamilton, IN

Built 2012 Load: 32.7 t ADT: 3,380

276TH ST EAST

Good

Over: BENNETT DITCH

01.30 E US 31, Hamilton, IN

Built 2013 Load: 32.7 t ADT: 1,410

221ST ST WEST

Good

Over: JAY DITCH

00.09 W OF SIX POINTS RD, Hamilton, IN

Built 2016 Load: 32.7 t ADT: 100

SIX POINTS ROAD

Good

Over: JAY DITCH

00.45 S OF SR 38, Hamilton, IN

Built 2016 Load: 32.7 t ADT: 580

JACKSON GRANT BLVD

Good

Over: WILLIAMS CREEK

00.27 W OF SPRINGMILL RD, Hamilton, IN

Built 2015 Load: 32.7 t ADT: 520

SUNDOWN CIRCLE

Good

Over: REAM CREEK

00.31 W OF WESTFIELD BLVD, Hamilton, IN

Built 2016 Load: 32.7 t ADT: 400

MILL ST

Good

Over: ANNA KENDALL DRAIN

00.08 W OF S UNION ST, Hamilton, IN

Built 2016 Load: 32.7 t ADT: 2,000

ALLISONVILLE RD

Good

Over: SHOEMAKER DITCH

00.06 N 126TH ST, Hamilton, IN

Built 2018 Load: 32.7 t ADT: 34,380

SIX POINTS RD

Good

Over: PRAIRIE CREEK

00.15 S OF 286TH ST, Hamilton, IN

Built 2019 Load: 32.7 t ADT: 190

WESTFIELD BD. CONN

Good

Over: GRASSY BRANCH

00.47 S SR-32, Hamilton, IN

Built 2020 Load: 32.7 t ADT: 5,470

169th STREET

Good

Over: FRED HINES DRAIN

00.39 MILES E GRAY ROAD, Hamilton, IN

Built 2001 Load: 32.7 t ADT: 4,160

WESTFIELD BLVD

Good

Over: CARMEL CREEK

0.10 MI S OF 116TH STREET, Hamilton, IN

Built 2021 Load: 32.7 t ADT: 5,470

CENTRAL PARK DR W

Good

Over: CENTRAL PARK LAKE

00.14 MI N OF 111TH ST, Hamilton, IN

Built 2006 Load: 32.7 t ADT: 370

WESTFIELD PARK DR

Good

Over: GRASSY BRANCH

00.27 N OF 169TH ST, Hamilton, IN

Built 2023 Load: 32.7 t ADT: 8,220

FLOWING CREEK WAY

Good

Over: J EDWARDS REGULATED DRAI

00.30 W OF TOWNE RD, Hamilton, IN

Built 2023 Load: 32.7 t ADT: 1,030

RHODES ROAD

Good

Over: HINKLE CREEK

00.24 S E 236TH ST., Hamilton, IN

Built 2023 Load: 32.7 t ADT: 610

MUSKEGON DR

Good

Over: POTTS DITCH

00.01 W OF N BROADWAY ST, Hancock, IN

Built 2002 Load: 32.7 t ADT: 450

CR 750N

Good

Over: STANSBURY DITCH

00.60 E OF N 600 W, Hancock, IN

Built 1995 Load: 32.7 t ADT: 670

CR 400N

Good

Over: BRANCH OF BRANDYWINE CRK

00.26 W OF 300 E, Hancock, IN

Built 2004 Load: 32.7 t ADT: 1,860

CR 600N

Good

Over: BRANDYWINE CREEK

00.39 E OF 700 E, Hancock, IN

Built 1993 Load: 32.7 t ADT: 390

CR 325N

Good

Over: SIX MILE CREEK

00.19 E OF N 1050 E, Hancock, IN

Built 1988 Load: 32.7 t ADT: 3,770

Showing 12,851-12,900 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 Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.