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 1

Fair

Over: BAUGO CREEK

00.00 N OF CR 130, Elkhart, IN

Built 1974 Load: 30.2 t ADT: 367

CR 750 S

Fair

Over: DONOHUE CREEK

00.30 E OF CR 1000 E, Gibson, IN

Built 1970 Load: 30.2 t ADT: 110

CR 1100 WEST

Fair

Over: BLACK CREEK

1.40 S OF CR 300 S, Greene, IN

Built 1977 Load: 30.2 t ADT: 130

CR 400 SOUTH

Fair

Over: IROQUOIS RIVER

0.50 MILES W OF CR 300 W, Jasper, IN

Built 1977 Load: 30.2 t ADT: 207

CR 675 EAST

Fair

Over: TIPPECANOE RIVER

00.30 N OF CR 500 N, Kosciusko, IN

Built 1974 Load: 30.2 t ADT: 300

CR 1000 WEST

Fair

Over: DAUSMAN DITCH

00.15 N OF CR 1000 N, Kosciusko, IN

Built 1920 Load: 30.2 t ADT: 125

CR 125E

Fair

Over: GALENA RIVER

00.60 N CR 900 N, LaPorte, IN

Built 1984 Load: 30.2 t ADT: 250

CR 800S

Fair

Over: TOPPER DITCH

01.00 W CR 800 W, LaPorte, IN

Built 1983 Load: 30.2 t ADT: 775

CR 900N

Fair

Over: GALENA RIVER

01.00 E WILHEIM, LaPorte, IN

Built 1984 Load: 30.2 t ADT: 225

CR 1000N

Fair

Over: TRIBUTARY GALENA RIVER

00.10 E CR 125 E, LaPorte, IN

Built 1992 Load: 30.2 t ADT: 925

COVEYVILLE ROAD

Fair

Over: WOLF CREEK

01.52 E OF VALLEY MISSION, Lawrence, IN

Built 1998 Load: 30.2 t ADT: 283

CR 400E

Fair

Over: RIPLEY CREEK

00.03 S of CR 700 N, Ripley, IN

Built 1972 Load: 30.2 t ADT: 300

CR 700S

Fair

Over: TURKEY Creek

0.40 MILES W OF CR 725 W, Steuben, IN

Built 1986 Load: 30.2 t ADT: 305

CR 800W

Fair

Over: TURKEY Creek

INTERSECTION WITH CR 700, Steuben, IN

Built 1986 Load: 30.2 t ADT: 397

CR 300S

Fair

Over: FISH CREEK

0.60 MILES E OF CR 850 E, Steuben, IN

Built 1972 Load: 30.2 t ADT: 33

CR 400S

Fair

Over: CICERO CREEK

00.20 W OF CR 400 W, Tipton, IN

Built 1969 Load: 30.2 t ADT: 125

CR 100W

Fair

Over: MOOTS CREEK

00.08 S SR 18, White, IN

Built 1977 Load: 30.2 t ADT: 150

WASHINGTON ROAD

Fair

Over: MOWERY DRAIN

00.90 N SR 14, Whitley, IN

Built 1999 Load: 30.2 t ADT: 250

CR 900 NORTH

Fair

Over: REINHART DITCH

0.20 MILES E OF CR 500 W, Adams, IN

Built 1982 Load: 30.3 t ADT: 568

CR 500S

Fair

Over: BIG RACCOON CREEK

01.00 W OF CR 1050 W, Boone, IN

Built 1960 Load: 30.3 t ADT: 230

CR 800E

Fair

Over: WEAVER DITCH

00.08 S of CR 1600 N, Daviess, IN

Built 2007 Load: 30.3 t ADT: 327

YELLOW BANK CRK RD

Fair

Over: YELLOW BANK CREEK

00.60 S OF BUSHY ROAD, Franklin, IN

Built 1965 Load: 30.3 t ADT: 250

CR 225 W

Fair

Over: WEST FORK OF PIGEON CR

00.80 N OF CR 800 S, Gibson, IN

Built 1982 Load: 30.3 t ADT: 120

HILLVIEW LANE

Fair

Over: RICHLAND CREEK

0.10 W OF SR 43, Greene, IN

Built 1998 Load: 30.3 t ADT: 110

CR 550E

Fair

Over: W FORK OF WHITE LICK CR

00.10 N OF CR 700 N, Hendricks, IN

Built 1990 Load: 30.3 t ADT: 2,425

CLARK STREET

Fair

Over: CEDAR CREEK

00.20 N. of MAIN ST., Lake, IN

Built 1999 Load: 30.3 t ADT: 678

CR 1000N

Fair

Over: GALENA RIVER

00.30 E CR 150 E, LaPorte, IN

Built 1938 Load: 30.3 t ADT: 1,300

N ROSE ROAD

Fair

Over: SHERMAN EMMONS DITCH

00.10 S OF US 6, Marshall, IN

Built 1918 Load: 30.3 t ADT: 100

CR 350W

Fair

Over: LITTLE GRAHAM CREEK

00.17 N OF CR 550 S, Ripley, IN

Built 1980 Load: 30.3 t ADT: 150

CR 700E

Fair

Over: SHAWNEE CREEK

00.30 N OF CR 800 N, Rush, IN

Built 1975 Load: 30.3 t ADT: 100

HENDERSON RD

Fair

Over: MUD CREEK

00.10 NW OF CR 350 W, Rush, IN

Built 1935 Load: 30.3 t ADT: 275

CR 650W

Fair

Over: DEER CREEK

00.30 S OF CR 350 S, Rush, IN

Built 1910 Load: 30.3 t ADT: 150

SANDYTOWN Rd

Fair

Over: FEATHER Creek

00.20 W of CR 200 E, Vermillion, IN

Built 1988 Load: 30.3 t ADT: 117

CR 200E

Fair

Over: FEATHER Creek

00.10 S of SANDYTOWN, Vermillion, IN

Built 1986 Load: 30.3 t ADT: 175

MAIN ST

Fair

Over: ST MARYS RIVER

00.10 W OF ROCKHILL ST, Allen, IN

Built 1921 Load: 30.4 t ADT: 14,025

PARNELL AVE

Fair

Over: ST JOSEPH RIVER

00.10 N OF ST. JOSEPH DR, Allen, IN

Built 1927 Load: 30.4 t ADT: 23,525

STATE BLVD

Fair

Over: ST JOSEPH RIVER

00.10 E OF SPY RUN AVE, Allen, IN

Built 1919 Load: 30.4 t ADT: 29,025

COLDWATER RD

Fair

Over: CEDAR CREEK

00.30 S FITCH RD, Allen, IN

Built 1983 Load: 30.4 t ADT: 4,525

W JEFFERSON BLVD

Fair

Over: NATURAL DRAIN

00.30 N ENGLE RD, Allen, IN

Built 1930 Load: 30.4 t ADT: 38,000

AIRPORT EXPY

Fair

Over: ST MARYS RIVER & PARK TR

00.20 N WINCHESTER RD, Allen, IN

Built 1972 Load: 30.4 t ADT: 21,075

CR 500 EAST

Fair

Over: MIDDLE FORK WILDCAT CR

0.10 N of SR 26, Clinton, IN

Built 1987 Load: 30.4 t ADT: 103

CR 200W

Fair

Over: Little Creek

00.60 N of CR 600 N, Dubois, IN

Built 1968 Load: 30.4 t ADT: 103

CUZCO Rd S

Fair

Over: DILLON Creek

00.10 N of CUZCO Rd., Dubois, IN

Built 1970 Load: 30.4 t ADT: 606

CR 820E

Fair

Over: Branch of HALL Creek

00.80 N of SCHNELLVILLE R, Dubois, IN

Built 1986 Load: 30.4 t ADT: 108

CR 550S

Fair

Over: NO NAME DITCH

01.70 E SR 162, Dubois, IN

Built 1925 Load: 30.4 t ADT: 130

CR 725N

Fair

Over: No Name Ditch

01.30 E of CR 150 E, Dubois, IN

Built 2007 Load: 30.4 t ADT: 27

HOUND HOLLER

Fair

Over: BRANCH OF KIPER CREEK

0.26 W OF SR 135, Jackson, IN

Built 1986 Load: 30.4 t ADT: 90

CR 800W

Fair

Over: BROOKS CREEK

0.1 MILES SOUTH OF CR 200, Jay, IN

Built 1976 Load: 30.4 t ADT: 138

SR 3

Fair

Over: WYALOOSING CREEK

07.13 N SR 7, Jennings, IN

Built 1935 Load: 30.4 t ADT: 2,650

OLD SR 37 S

Fair

Over: JUDAH BRANCH

1.1 MILE S OF HOBART ROAD, Monroe, IN

Built 1924 Load: 30.4 t ADT: 1,570

Showing 4,951-5,000 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.