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

CLAY St

Good

Over: SENG Ditch

00.10 E of WERNSING Rd., Dubois, IN

Built 1995 Load: 46.6 t ADT: 1,811

CR 925N

Good

Over: SIMPLE BR of SYMONS CR

00.20 E of CR 350 W, Fayette, IN

Built 1978 Load: 46.6 t ADT: 100

STOCKPILE RD

Good

Over: SALT CREEK

00.10 MI. N of FORREST RD, Franklin, IN

Built 2015 Load: 46.6 t ADT: 125

PROSPECT AVE

Good

Over: PLEASANT RUN

00.20 E OF KEYSTONE AVE, Marion, IN

Built 1968 Load: 46.6 t ADT: 5,409

CR 150E

Good

Over: E FORK LITTLE PIGEON CR

00.04 N of CR 1100 N, Spencer, IN

Built 1992 Load: 46.6 t ADT: 100

PIQUA ROAD

Good

Over: IRWIN DITCH

0.30 MILES SE OF CR 300 E, Adams, IN

Built 1968 Load: 46.7 t ADT: 933

SR 101

Good

Over: Brown Ditch

03.59 S US 30, Allen, IN

Built 1956 Load: 46.7 t ADT: 1,800

I-69 NB

Good

Over: BECKETTS RUN

01.94 S SR 1, Allen, IN

Built 1960 Load: 46.7 t ADT: 35,387

I-69 SB

Good

Over: BECKETTS RUN

01.94 S SR 1, Allen, IN

Built 1960 Load: 46.7 t ADT: 35,353

CR 500N

Good

Over: DUCK CREEK

00.84 E OF SR 9, Bartholomew, IN

Built 2000 Load: 46.7 t ADT: 1,460

CR 800E

Good

Over: BIG PINE CREEK DITCH

00.10 N CR 300 N, Benton, IN

Built 1964 Load: 46.7 t ADT: 83

SR 37

Good

Over: BIRD DOG CREEK

00.63 N SR 64, Crawford, IN

Built 1998 Load: 46.7 t ADT: 1,379

US 231

Good

Over: FIRST CREEK

01.52 S SR 558, Daviess, IN

Built 2001 Load: 46.7 t ADT: 5,369

CR 650N

Good

Over: NORTH BR CLIFTY CREEK

00.50 E OF SR 3, Decatur, IN

Built 2020 Load: 46.7 t ADT: 140

CR 400 S

Good

Over: BROWN DITCH

00.50 W OF CR 225 W, Gibson, IN

Built 1997 Load: 46.7 t ADT: 200

SR 13

Good

Over: PRAIRIE RUN

01.28 S US 35 / SR 22, Grant, IN

Built 2010 Load: 46.7 t ADT: 1,786

US 31

Good

Over: ISAAC JONES DITCH

0.52 S SR 38, Hamilton, IN

Built 2012 Load: 46.7 t ADT: 37,290

SR 32

Good

Over: COOL CREEK

1.113 MI E of US 31, Hamilton, IN

Built 2023 Load: 46.7 t ADT: 17,824

116TH ST EAST

Good

Over: MUD CREEK

01.34 W OLIO RD, Hamilton, IN

Built 2003 Load: 46.7 t ADT: 35,830

EAST STREET

Good

Over: NORTH COOL CREEK

00.30 N OF 191ST ST, Hamilton, IN

Built 2014 Load: 46.7 t ADT: 3,020

CR 100N

Good

Over: SUGAR CREEK

00.53 W OF 200 W, Hancock, IN

Built 2023 Load: 46.7 t ADT: 3,520

SR 49

Good

Over: WHEATFIELD DITCH

00.60 N SR 10, Jasper, IN

Built 2003 Load: 46.7 t ADT: 3,999

BLACK RD

Good

Over: BIG CLIFTY CREEK

00.08 S of CLIFTY DR, Jefferson, IN

Built 1989 Load: 46.7 t ADT: 100

MAIN STREET

Good

Over: PLEASANT RUN CREEK

0.05 W OF US 31, Johnson, IN

Built 1990 Load: 46.7 t ADT: 15,881

US 30 EB

Good

Over: NS RR (MARION)

00.12 E SR 15, Kosciusko, IN

Built 1972 Load: 46.7 t ADT: 11,461

SR 58

Good

Over: SPRING CREEK

01.48 W SR 54, Lawrence, IN

Built 1987 Load: 46.7 t ADT: 2,980

I-465 NB

Good

Over: BIG EAGLE CREEK

02.45 N US 36, Marion, IN

Built 2012 Load: 46.7 t ADT: 75,150

US 40 WB

Good

Over: GRASSY CREEK

02.47 E I-465, Marion, IN

Built 2009 Load: 46.7 t ADT: 32,140

US 40 EB

Good

Over: GRASSY CREEK

02.47 E I-465, Marion, IN

Built 2009 Load: 46.7 t ADT: 32,140

N SAGE ROAD

Good

Over: PETER SARBER DITCH

00.30 N OF W 3B ROAD, Marshall, IN

Built 1985 Load: 46.7 t ADT: 100

SOUTH UPAS ROAD

Good

Over: HARRY COOL DITCH

00.10 S OF W 12TH ROAD, Marshall, IN

Built 1990 Load: 46.7 t ADT: 150

CR 125W

Good

Over: INDIAN CREEK

00.30 S of SR 234, Montgomery, IN

Built 1980 Load: 46.7 t ADT: 60

CR 800 N

Good

Over: BEAVER LAKE DITCH

0.2 MI W US 41, Newton, IN

Built 1968 Load: 46.7 t ADT: 143

OVERTON RD

Good

Over: BR BLACK RIVER

01.35 NW MAIN STREET, Posey, IN

Built 1985 Load: 46.7 t ADT: 172

CR 850E

Good

Over: FISH CREEK

0.01 MILES N OF CR 525 S, Steuben, IN

Built 1969 Load: 46.7 t ADT: 113

SR 57

Good

Over: FIRLICK CREEK

02.32 N US 41, Vanderburgh, IN

Built 1998 Load: 46.7 t ADT: 6,613

SR 15

Good

Over: BRANCH GRANT CREEK

01.33 N SR 218, Wabash, IN

Built 1949 Load: 46.7 t ADT: 5,316

BLUE RIVER RD

Good

Over: BR S FK BLUE RIVER

00.50 W of POLK SCHOOL Rd, Washington, IN

Built 2023 Load: 46.7 t ADT: 373

US 421

Good

Over: FRASER DITCH

00.99 N US 24, White, IN

Built 2003 Load: 46.7 t ADT: 9,419

CR 300E

Good

Over: MOOTS CREEK

00.15 N CR 1250 S, White, IN

Built 2021 Load: 46.7 t ADT: 640

US 30 EB

Good

Over: EEL RIVER

01.15 E SR 205, Whitley, IN

Built 1962 Load: 46.7 t ADT: 13,174

CR 650 WEST

Good

Over: LAMBERT #1 DITCH

0.10 MILES N OF CR 1100 N, Adams, IN

Built 2007 Load: 46.8 t ADT: 110

STATE LINE ROAD

Good

Over: H. O. WHITE DRAIN

00.01 S OF CASTLEMAN RD, Allen, IN

Built 2013 Load: 46.8 t ADT: 200

CR 800W

Good

Over: GUM LICK CREEK

00.51 S OF CR 700 S, Jennings, IN

Built 2006 Load: 46.8 t ADT: 100

EATON WHEELING PK

Good

Over: DODGE CREEK

00.25 E of CR 170 W, Delaware, IN

Built 1965 Load: 46.9 t ADT: 740

JACKSON ST

Good

Over: WHITE RIVER, TRAIL

00.04 E WHITE RIVER BLVD, Delaware, IN

Built 2013 Load: 46.9 t ADT: 13,840

CR 225 WEST

Good

Over: BRANCH OF SPRAY CREEK

0.62 N OF CR 450 N, Jackson, IN

Built 1920 Load: 46.9 t ADT: 120

CR 1300 NORTH

Good

Over: SCHATLEY DITCH

0.50 MILES W OF CR 400 W, Jasper, IN

Built 1994 Load: 46.9 t ADT: 139

WINSTON DRIVE

Good

Over: DEVON CREEK

00.58 S OF 56TH ST, Marion, IN

Built 2013 Load: 46.9 t ADT: 552

US 224

Good

Over: HAUGK DRAIN

02.10 W SR 101, Adams, IN

Built 1993 Load: 47.0 t ADT: 5,235

Showing 16,551-16,600 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.