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

CR 650N

Good

Over: BRANCH OF LYE CREEK

00.30 E of CR 600 E, Montgomery, IN

Built 1997 Load: 32.7 t ADT: 90

LADOGA RD

Good

Over: OFFIELD CREEK

00.20 S of CR 400 S, Montgomery, IN

Built 2004 Load: 32.7 t ADT: 880

MAIN ST

Good

Over: HONEY CREEK

00.20 E of CR 70 E, Montgomery, IN

Built 2010 Load: 32.7 t ADT: 780

SR 37

Good

Over: DRAINAGE DITCH

05.72 S SR 144, Morgan, IN

Built 1955 Load: 32.7 t ADT: 40,200

SR 39

Good

Over: WHITE RIVER

00.22 S SR 67, Morgan, IN

Built 2012 Load: 32.7 t ADT: 31,623

BRYANTS CREEK RD

Good

Over: BRYANTS CREEK

00.39 E OF 550 WEST, Morgan, IN

Built 2007 Load: 32.7 t ADT: 120

GROUNDS RD

Good

Over: BRANCH OF BURKHART CREEK

00.37 E OF S ONEAL RD, Morgan, IN

Built 1997 Load: 32.7 t ADT: 120

MAHALASVILLE RD

Good

Over: INDIAN CREEK

00.09 S OF OLD RAILROAD R, Morgan, IN

Built 2004 Load: 32.7 t ADT: 440

SEDWICK RD

Good

Over: OLIVER CREEK

00.08 W OF SEDWICK RD, Morgan, IN

Built 2008 Load: 32.7 t ADT: 360

DEA COLWELL RD

Good

Over: RHODES CREEK

00.33 N OF LEWISVILLE RD, Morgan, IN

Built 1993 Load: 32.7 t ADT: 140

BANTA RD

Good

Over: BANTA CREEK

00.23 N OF 650 N, Morgan, IN

Built 1996 Load: 32.7 t ADT: 900

TURKEY TRACK ROAD

Good

Over: LITTLE INDIAN CREEK

00.50 S LIBERTY CURCH RD, Morgan, IN

Built 2017 Load: 32.7 t ADT: 700

YORK ST

Good

Over: SARTOR DITCH

00.06 E OF S HOME AVE, Morgan, IN

Built 2001 Load: 32.7 t ADT: 530

GRAY ST

Good

Over: SARTOR DITCH

00.06 E OF S HOME AVE, Morgan, IN

Built 2001 Load: 32.7 t ADT: 530

BEAR HOLLOW RD

Good

Over: BRYANTS CREEK

00.13 S OF PARAGON RD, Morgan, IN

Built 2010 Load: 32.7 t ADT: 270

BURNETT RD

Good

Over: POCKET HOLLOW CREEK

00.47 S W POCKET HOLLOW, Morgan, IN

Built 2014 Load: 32.7 t ADT: 440

HICKEY RD

Good

Over: BRANCH OF INDIAN CREEK

00.10 N OF SYCAMORE ST, Morgan, IN

Built 2017 Load: 32.7 t ADT: 360

MAHALASVILLE RD

Good

Over: SAND CREEK

00.12 S OF CRAMERTOWN LOO, Morgan, IN

Built 2018 Load: 32.7 t ADT: 1,340

BRIARHOPPER RD

Good

Over: LAMBS CREEK

00.45 N OF KIVETT RD, Morgan, IN

Built 2018 Load: 32.7 t ADT: 270

US 24

Good

Over: BONHAM DITCH

00.39 W SR 71, Newton, IN

Built 1994 Load: 32.7 t ADT: 3,793

US 41 NB

Good

Over: BEAVER LAKE DITCH

03.75 S SR 10, Newton, IN

Built 1958 Load: 32.7 t ADT: 4,869

SR 55

Good

Over: NORTH GRUDEN DITCH

01.05 N SR 16, Newton, IN

Built 2013 Load: 32.7 t ADT: 491

CR 375 S

Good

Over: CARLSON DITCH

0.1 MI W CR 650 W, Newton, IN

Built 1986 Load: 32.7 t ADT: 143

CR 400 N

Good

Over: LAWLER DITCH

0.7 MI E CR 600 W, Newton, IN

Built 1993 Load: 32.7 t ADT: 709

CR 1400 S

Good

Over: MONTGOMERY DITCH

0.0 MI INT CR 50 E, Newton, IN

Built 1964 Load: 32.7 t ADT: 143

CR 1400 S

Good

Over: O'BRIEN DITCH

0.2 MI E CR 200 E, Newton, IN

Built 1982 Load: 32.7 t ADT: 143

LAKE KENOYER RD

Good

Over: IROQUOIS RIVER

0.2 MI NW CR 175 E, Newton, IN

Built 1990 Load: 32.7 t ADT: 427

CR 1550 S

Good

Over: MORRISON DITCH NO 1

0.3 MI W CR 50 W, Newton, IN

Built 1990 Load: 32.7 t ADT: 143

CR 700 S

Good

Over: CLINE DITCH

0.3 MI E CR 150 E, Newton, IN

Built 1995 Load: 32.7 t ADT: 143

CR 500 S

Good

Over: TURNER DITCH

0.7 MI W SR 55, Newton, IN

Built 1995 Load: 32.7 t ADT: 143

CR 700 W

Good

Over: SHELDON DITCH NO 1

0.9 MI S CR 1400 S, Newton, IN

Built 1997 Load: 32.7 t ADT: 143

CR 1550 S

Good

Over: BOWER DITCH

0.1 MI W CR 200 E, Newton, IN

Built 2008 Load: 32.7 t ADT: 143

CR 200 W

Good

Over: BEAVER LAKE DITCH

0.3 MI S CR 600 N, Newton, IN

Built 1950 Load: 32.7 t ADT: 143

MONON STREET

Good

Over: SAND CREEK

0.20 E OF CR 25 N, Orange, IN

Built 1999 Load: 32.7 t ADT: 1,545

CR 675 SOUTH

Good

Over: BRANCH OF HOGS DEFEAT CR

0.40 W OF SR 37, Orange, IN

Built 1999 Load: 32.7 t ADT: 151

SR 246

Good

Over: WEST FORK FISH CREEK

02.32 W SR 46, Owen, IN

Built 2009 Load: 32.7 t ADT: 1,188

QUINCY RD

Good

Over: MILL CREEK

00.70 E OF MILL GROVE RD, Owen, IN

Built 1989 Load: 32.7 t ADT: 720

FLATWOODS RD

Good

Over: MCCORMICKS CREEK

00.40 N OF SCHOOLING RD, Owen, IN

Built 1999 Load: 32.7 t ADT: 190

FREEDOM RD

Good

Over: WHITE RIVER

00.10 E OF SR 67, Owen, IN

Built 2001 Load: 32.7 t ADT: 700

COUNTY LINE RD

Good

Over: CONRAIL RR

0.3 S OF GOSS ST, Owen, IN

Built 1993 Load: 32.7 t ADT: 1,520

DUNN RD

Good

Over: CONRAIL RR

01.00 E SR 67, Owen, IN

Built 2008 Load: 32.7 t ADT: 110

COUNTY LINE RD

Good

Over: WHITE RIVER

00.00 N TEXAS RIDGE RD, Owen, IN

Built 1990 Load: 32.7 t ADT: 1,770

N CATARACT RD

Good

Over: MILL CREEK

0.10 E OF OVER PARK RD, Owen, IN

Built 1989 Load: 32.7 t ADT: 360

PATRICKSBURG RD

Good

Over: EAST FORK OF FISH CREEK

01.90 E SPLINTER RDG RD, Owen, IN

Built 2014 Load: 32.7 t ADT: 110

LINGLE RD

Good

Over: CSX/CONRAIL RR

00.30 E SR 67, Owen, IN

Built 2014 Load: 32.7 t ADT: 90

US 41

Good

Over: WILLIAMS CREEK

02.02 N US 36, Parke, IN

Built 2007 Load: 32.7 t ADT: 4,363

FIELD ENTRANCE

Good

Over: BR LITTLE RACCOON CREEK

00.23 W SR 59, Parke, IN

Built 1986 Load: 32.7 t ADT: 622

SR 37

Good

Over: WINDY CREEK

00.45 N SR 66, Perry, IN

Built 1999 Load: 32.7 t ADT: 1,322

SR 66

Good

Over: CASTLEBERRY CREEK

00.09 E SR 237, Perry, IN

Built 2004 Load: 32.7 t ADT: 1,832

SR 66

Good

Over: BR OF EAST DEER CREEK

03.42 E SR 166, Perry, IN

Built 1998 Load: 32.7 t ADT: 647

Showing 13,401-13,450 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.