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

EDINBURGH ROAD

Good

Over: BRANCH OF BIG BLUE RIVER

00.15 N OF CR 900 S, Shelby, IN

Built 2014 Load: 41.5 t ADT: 100

PARK ROAD 10 MI RD

Good

Over: YELLOW RIVER SPILLWAY

00.00 KANKAKEE FISH & WIL, Starke, IN

Built 1990 Load: 41.5 t ADT: 143

PARK ROAD 10 MI RD

Good

Over: KANKAKEE RIVER SPILLWAY

00.00 KANKAKEE FISH & WIL, Starke, IN

Built 1990 Load: 41.5 t ADT: 143

CR 600E

Good

Over: JAIN DITCH

00.20 S CR 700 N, Starke, IN

Built 1996 Load: 41.5 t ADT: 800

SR 156

Good

Over: WADE CREEK

00.35 E SR 250, Switzerland, IN

Built 1959 Load: 41.5 t ADT: 931

OLD MT VERNON RD

Good

Over: SANDERS CREEK

00.60 E OF COUNTY LINE RD, Vanderburgh, IN

Built 1974 Load: 41.5 t ADT: 136

OLD MT VERNON RD

Good

Over: BRANCH OF SANDERS CREEK

00.20 E OF COUNTY LINE RD, Vanderburgh, IN

Built 1974 Load: 41.5 t ADT: 136

SR 135

Good

Over: BEAR CREEK

04.18 N US 150, Washington, IN

Built 2007 Load: 41.5 t ADT: 3,491

CENTERVILLE RD

Good

Over: GREENS FORK

00.20 N of FOUNTAIN CITY, Wayne, IN

Built 2011 Load: 41.5 t ADT: 606

CR 450 EAST

Good

Over: JOHNS CREEK

00.50 N OF CR 100 N, Wells, IN

Built 1967 Load: 41.5 t ADT: 1,329

CR 500 NORTH

Good

Over: BRANCH OF LATTAS CREEK

0.50 W OF CR 850 W, Greene, IN

Built 1998 Load: 41.6 t ADT: 110

CR 600E

Good

Over: BRANDYWINE CREEK

00.37 N OF E 500 N, Hancock, IN

Built 1998 Load: 41.6 t ADT: 2,250

CR 600E

Good

Over: BRANCH OF NAMELESS CREEK

00.11 N OF E 250 S, Hancock, IN

Built 1992 Load: 41.6 t ADT: 4,240

Old BUDDHA ROAD

Good

Over: GUTHRIE CREEK

01.02 S OF CR 250 S, Lawrence, IN

Built 1987 Load: 41.6 t ADT: 208

Griffin Rd

Good

Over: Harmony Creek

00.71 MI N of HIGHWAY 66, Posey, IN

Built 1992 Load: 41.6 t ADT: 882

OLD STATE RD 62

Good

Over: McFADDEN CREEK

00.08 NE OF PLAZA DRIVE, Posey, IN

Built 2013 Load: 41.6 t ADT: 200

SR 25

Good

Over: WABASH RIVER S CROSSING

01.56 N US 24, Cass, IN

Built 1988 Load: 41.7 t ADT: 12,389

CR 500N

Good

Over: BRANDYWINE CREEK

00.18 E OF N 600 E, Hancock, IN

Built 2001 Load: 41.7 t ADT: 820

400 NORTH

Good

Over: DRAINAGE DITCH

2.0 MI SW OF HDQRTRS, Jackson, IN

Built 1994 Load: 41.7 t ADT: 5

WEST PERIMETER RD

Good

Over: MARBLE CREEK

0.05 MILES NORTH OF W ROA, Jennings, IN

Built 2011 Load: 41.7 t ADT: 10

CR 50W

Good

Over: CLINE CREEK

00.20 S of CR 1400 N, Putnam, IN

Built 2018 Load: 41.7 t ADT: 130

EAST PERIMETER RD

Good

Over: BIG CREEK TRIBUTARY

0.1 MILES SOUTH OF I ROAD, Ripley, IN

Built 2011 Load: 41.7 t ADT: 10

WINCHESTER RD

Good

Over: NICKELSON CREEK

00.10 E MORTON ROAD, Allen, IN

Built 1969 Load: 41.8 t ADT: 2,056

I-65 SB

Good

Over: SPRING CREEK

00.61 S SR 47, Boone, IN

Built 1970 Load: 41.8 t ADT: 22,670

I-69 NB

Good

Over: BRANCH HURRICANE CREEK

00.14 N SR 257, Daviess, IN

Built 2012 Load: 41.8 t ADT: 7,905

I-69 SB

Good

Over: BRANCH HURRICANE CREEK

00.14 N SR 257, Daviess, IN

Built 2012 Load: 41.8 t ADT: 7,905

SR 8

Good

Over: CEDAR CREEK

01.56 E I-69, DeKalb, IN

Built 1984 Load: 41.8 t ADT: 12,159

CR 750 S

Good

Over: TOOPS DITCH

00.20 E OF CR 200 E, Gibson, IN

Built 2007 Load: 41.8 t ADT: 110

226TH ST EAST

Good

Over: BRANCH OF WHITE RIVER

00.18 W OF OVERDORF RD, Hamilton, IN

Built 2000 Load: 41.8 t ADT: 80

I-74 EB

Good

Over: BIG WHITE LICK CREEK

00.50 W SR 267, Hendricks, IN

Built 1959 Load: 41.8 t ADT: 25,764

CR 700N

Good

Over: SCHOOL CREEK

00.05 E OF CR 1000 E, Hendricks, IN

Built 2010 Load: 41.8 t ADT: 1,825

SR 5

Good

Over: LOON CREEK

03.20 S US 224, Huntington, IN

Built 2009 Load: 41.8 t ADT: 3,369

CR 450 WEST

Good

Over: BRANCH OF SALT CREEK

0.05 S OF SR 135, Jackson, IN

Built 1994 Load: 41.8 t ADT: 60

CR 750W

Good

Over: BRANCH OF HAINES CREEK

2.7 MILES SOUTH OF SR 18, Jay, IN

Built 2009 Load: 41.8 t ADT: 138

CR 750 N RD

Good

Over: MIDDLE FORK CREEK

00.45 MI E of MIDDLEFORK, Jefferson, IN

Built 2022 Load: 41.8 t ADT: 48

SR 7

Good

Over: ROCK CREEK

05.06 S US 31, Jennings, IN

Built 2003 Load: 41.8 t ADT: 9,442

LONG ROAD

Good

Over: BRANCH OF ROBERSON DITCH

00.73 NW OF BICKNELL ROAD, Knox, IN

Built 2009 Load: 41.8 t ADT: 110

CR 1500S

Good

Over: HANNA ARM-TUESBURG DITCH

00.40 E CR 400 W, LaPorte, IN

Built 1986 Load: 41.8 t ADT: 100

STONINGTON ROAD

Good

Over: FISHING CREEK

01.37 E OF CR 400 E, Lawrence, IN

Built 2021 Load: 41.8 t ADT: 427

CR 1550N

Good

Over: MUD CREEK

00.80 E SR 9, Madison, IN

Built 1988 Load: 41.8 t ADT: 571

I-465 SB

Good

Over: CSX RR

00.77 N I-70, Marion, IN

Built 2002 Load: 41.8 t ADT: 92,682

I-65 SB & CD

Good

Over: MARKET STREET

01.00 N I-70, Marion, IN

Built 2022 Load: 41.8 t ADT: 72,718

US 31 NB

Good

Over: MANGUN ARM DITCH

01.19 N US 6, Marshall, IN

Built 2014 Load: 41.8 t ADT: 9,431

N THORN ROAD

Good

Over: JESSE MCKESSON DITCH

00.70 N OF 1ST ROAD, Marshall, IN

Built 1986 Load: 41.8 t ADT: 100

N SYCAMORE ROAD

Good

Over: PETER SARBER DITCH

00.30 N OF W 3B ROAD, Marshall, IN

Built 1991 Load: 41.8 t ADT: 475

FIR ROAD

Good

Over: BROCK DITCH

00.70 N OF 8TH ROAD, Marshall, IN

Built 1987 Load: 41.8 t ADT: 1,000

SR 450

Good

Over: BEECH CREEK

02.10 E US 50, Martin, IN

Built 2012 Load: 41.8 t ADT: 1,541

VICTOR PIKE

Good

Over: BRANCH CLEAR CREEK

01.00 S FLUCKMILL RD, Monroe, IN

Built 1988 Load: 41.8 t ADT: 885

SR 234

Good

Over: LITTLE RACCOON CREEK

05.44 W SR 75, Montgomery, IN

Built 2022 Load: 41.8 t ADT: 1,520

PERRY ROAD

Good

Over: CROOKED CREEK

00.29 NE SR-37, Morgan, IN

Built 2021 Load: 41.8 t ADT: 1,230

Showing 15,851-15,900 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.