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

OLD US 41

Good

Over: Branch of COAL Creek

00.00 Int of STATE St, Fountain, IN

Built 2007 Load: 46.1 t ADT: 235

DEPUTY PK

Good

Over: HARBERTS CREEK

00.03 E of CR 500 W, Jefferson, IN

Built 1997 Load: 46.1 t ADT: 375

CR 350 NORTH

Good

Over: LOST RIVER

0.20 E OF CR 710 W, Orange, IN

Built 1983 Load: 46.1 t ADT: 779

FRUITRIDGE AVENUE

Good

Over: THOMPSON DITCH

00.10 N WALLACE, Vigo, IN

Built 1987 Load: 46.1 t ADT: 4,235

CR 125S

Good

Over: FALL BRANCH

01.43 E CR 100 W, Warren, IN

Built 2002 Load: 46.1 t ADT: 170

CR 500 W

Good

Over: EEL RIVER

00.25 S SR 205, Whitley, IN

Built 2020 Load: 46.1 t ADT: 100

DUCK CREEK RD

Good

Over: DUCK CREEK

00.10 W JIM RUN RD, Franklin, IN

Built 2014 Load: 46.2 t ADT: 350

CR 850S

Good

Over: MONTGOMERY CREEK

00.15 W OF GRANT CITY ROA, Henry, IN

Built 2019 Load: 46.2 t ADT: 150

CR 300S

Good

Over: BR OF LITTLE DEER CREEK

00.10 E of CR 500 E, Putnam, IN

Built 2018 Load: 46.2 t ADT: 170

CR 400 WEST

Good

Over: HOWELL DITCH

00.15 N OF CR 400 S, Shelby, IN

Built 2016 Load: 46.2 t ADT: 100

CR 400W

Good

Over: CICERO CREEK

00.70 S OF CR 300 S, Tipton, IN

Built 1976 Load: 46.2 t ADT: 115

SR 101

Good

Over: WANN DITCH

00.30 S SR 37, Allen, IN

Built 2001 Load: 46.3 t ADT: 1,291

HOFFMAN RD

Good

Over: HOFFMAN DRAIN

00.20 W FACKLER RD, Allen, IN

Built 1992 Load: 46.3 t ADT: 156

CR 900E

Good

Over: ROCK CREEK

00.01 N OF CR 400 S, Bartholomew, IN

Built 2000 Load: 46.3 t ADT: 490

TILLOTSON AVENUE

Good

Over: WHITE RIVER, TRAIL

00.06 S. WHITE RIVER BLVD, Delaware, IN

Built 2018 Load: 46.3 t ADT: 16,870

SR 17

Good

Over: STAR ARM WILLOW CREEK

01.77 S SR 14, Fulton, IN

Built 2009 Load: 46.3 t ADT: 666

PENNINGTON RD

Good

Over: WEAVER DITCH

00.19 N OF MIDDLETOWN AVE, Hamilton, IN

Built 2004 Load: 46.3 t ADT: 340

113TH ST EAST

Good

Over: THORPE CREEK

00.48 E OF OLIO RD, Hamilton, IN

Built 2004 Load: 46.3 t ADT: 2,430

REHOBETH RD

Good

Over: MAYS BRANCH

00.20 E OF MERK RD, Harrison, IN

Built 1993 Load: 46.3 t ADT: 50

CR 600W

Good

Over: FALL CREEK

00.10 S OF CR 950 N, Henry, IN

Built 2021 Load: 46.3 t ADT: 525

SR 135

Good

Over: HALF MILE CREEK

02.41 N SR 235, Jackson, IN

Built 1994 Load: 46.3 t ADT: 3,037

US 30 WB

Good

Over: NS RR (MARION)

00.12 E SR 15, Kosciusko, IN

Built 1972 Load: 46.3 t ADT: 11,461

I-80 EB, EB RAMP

Good

Over: BURNS DITCH (DEEP RIVER)

00.45 E I-65, Lake, IN

Built 2009 Load: 46.3 t ADT: 75,000

US 150

Good

Over: NATCHEZ BRANCH

03.88 E SR 550, Martin, IN

Built 1999 Load: 46.3 t ADT: 1,071

TAPP ROAD

Good

Over: BRANCH CLEAR CREEK

00.02 E WEIMER ROAD, Monroe, IN

Built 2013 Load: 46.3 t ADT: 15,477

EAST ALLEN STREET

Good

Over: KENT DITCH

0.1 MI E 4TH ST, Newton, IN

Built 2019 Load: 46.3 t ADT: 285

SR 149

Good

Over: SALT CREEK

00.93 N US 6, Porter, IN

Built 1955 Load: 46.3 t ADT: 2,533

CR 150S

Good

Over: LITTLE MILL CREEK

00.45 E OF CR 225E, Pulaski, IN

Built 1969 Load: 46.3 t ADT: 30

SR 44

Good

Over: HODGES BRANCH

00.87 W US 52, Rush, IN

Built 2000 Load: 46.3 t ADT: 4,680

SR 933

Good

Over: JUDAY CREEK

00.03 S I-90, St. Joseph, IN

Built 1995 Load: 46.3 t ADT: 25,652

I-69 NB

Good

Over: PIGEON CREEK

02.75 S US 20, Steuben, IN

Built 1963 Load: 46.3 t ADT: 10,018

SR 15

Good

Over: PEE DEE CREEK

02.01 N SR 218, Wabash, IN

Built 1949 Load: 46.3 t ADT: 5,024

CR 1000 NORTH

Good

Over: WERLING LAMBERT DITCH

0.10 MILES E OF CR 650 W, Adams, IN

Built 1976 Load: 46.4 t ADT: 110

GERADOT RD

Good

Over: HOFFMAN DRAIN

00.30 N HOFFMAN RD, Allen, IN

Built 1989 Load: 46.4 t ADT: 104

COLUMBIA RD

Good

Over: BR of N BR GARRISON CR

00.20 NW of CR 450 W, Fayette, IN

Built 1999 Load: 46.4 t ADT: 250

CR 600N

Good

Over: BELL CREEK

00.20 W OF CR 300 W, Henry, IN

Built 2015 Load: 46.4 t ADT: 1,310

CR 1150 W

Good

Over: LITTLE DEER CREEK

0.4 MI N CR 500 N, Howard, IN

Built 1981 Load: 46.4 t ADT: 305

MILTON BEAR BR.RD.

Good

Over: LONG BRANCH

00.50 N OF ABERDEEN RD, Ohio, IN

Built 2003 Load: 46.4 t ADT: 287

CR 850N

Good

Over: SOUTH RAMP CREEK

00.50 W of CR 100 E, Putnam, IN

Built 2015 Load: 46.4 t ADT: 240

CR 425W

Good

Over: BRANCH OF BIG RACCOON CR

00.30 N of SR 236, Putnam, IN

Built 2018 Load: 46.4 t ADT: 100

CR 1050S

Good

Over: LITTLE CREEK

00.13 MI E OF SR 1, Randolph, IN

Built 1994 Load: 46.4 t ADT: 107

CR 350S

Good

Over: MIDDLE FORK LEWIS CREEK

00.80 W OF CR 375 E, Shelby, IN

Built 1986 Load: 46.4 t ADT: 125

OREGON CHURCH Rd

Good

Over: Branch of PRAIRIE CREEK

00.20 W US 41, Vigo, IN

Built 1993 Load: 46.4 t ADT: 377

CR 750 EAST

Good

Over: MILLER DITCH

00.10 S OF SR 218, Wells, IN

Built 2018 Load: 46.4 t ADT: 100

CR 500S

Good

Over: MOWERY DRAIN

00.50 E OF S MERIDIAN RD, Whitley, IN

Built 2016 Load: 46.4 t ADT: 250

CR 675 EAST

Good

Over: SIPE DITCH

0.40 MILES N OF CR 500 S, Adams, IN

Built 2007 Load: 46.5 t ADT: 110

CR 150 NORTH

Good

Over: YELLOW CREEK

0.30 MILES E OF CR 200 E, Adams, IN

Built 2016 Load: 46.5 t ADT: 110

CR 850 EAST

Good

Over: CAMPBELL CREEK

00.10 S of CR 265 N, Delaware, IN

Built 2005 Load: 46.5 t ADT: 60

CR 75E

Good

Over: Brown Ditch

00.15 S of CR 900 N, Tippecanoe, IN

Built 2007 Load: 46.5 t ADT: 328

CR 200 EAST

Good

Over: HAUGK DITCH

0.10 MILES N OF US 224, Adams, IN

Built 1989 Load: 46.6 t ADT: 546

Showing 16,501-16,550 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.