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

SR 57

Good

Over: FLAT CREEK

04.37 S SR 56, Pike, IN

Built 1939 Load: 35.6 t ADT: 2,170

SR 149

Good

Over: LITTLE CALUMET RIVER

00.14 S US 12, Porter, IN

Built 1970 Load: 35.6 t ADT: 5,485

CR 200S

Good

Over: BIG MONON DITCH

00.93 E OF US 421, Pulaski, IN

Built 2001 Load: 35.6 t ADT: 390

US 231

Good

Over: RAMP CREEK

02.75 N US 36, Putnam, IN

Built 1993 Load: 35.6 t ADT: 4,060

CR 100S

Good

Over: SPARROW CREEK

01.00 MI W OF CR 500 W, Randolph, IN

Built 1987 Load: 35.6 t ADT: 145

BASE LINE ROAD

Good

Over: SNOW RUN

02.82 MI N US 36, Randolph, IN

Built 1993 Load: 35.6 t ADT: 118

SR 3

Good

Over: STUCKER CREEK

00.42 S SR 56, Scott, IN

Built 2014 Load: 35.6 t ADT: 1,960

SR 3

Good

Over: HOG CREEK

00.19 S SR 56, Scott, IN

Built 2014 Load: 35.6 t ADT: 1,960

US 31 SB

Good

Over: PEAT AREA "B"

03.86 S SR 4, St. Joseph, IN

Built 2010 Load: 35.6 t ADT: 9,725

SR 427

Good

Over: FISH CREEK

03.92 N SR 1, Steuben, IN

Built 2011 Load: 35.6 t ADT: 1,413

US 41 DR/I-69 EB

Good

Over: EAGLE CREEK

00.40 S I-164, Vanderburgh, IN

Built 1988 Load: 35.6 t ADT: 3,336

SR 63 SBL

Good

Over: DRY BRANCH

01.13 S SR 234, Vermillion, IN

Built 1976 Load: 35.6 t ADT: 3,220

HEIM ROAD

Good

Over: PIGEON CREEK

01.41 MI W SR 62, Warrick, IN

Built 1997 Load: 35.6 t ADT: 1,632

CR 1050S

Good

Over: MOOTS CREEK

00.22 W SR 43, White, IN

Built 2012 Load: 35.6 t ADT: 230

ETNA ROAD

Good

Over: HUMBARGER #12

00.10 E SR 19, Whitley, IN

Built 2006 Load: 35.6 t ADT: 300

PIQUA ROAD

Good

Over: TWENTY-SEVEN MILE CREEK

0.40 MILES SE OF CR 225 N, Adams, IN

Built 1958 Load: 35.7 t ADT: 437

CR 400 WEST

Good

Over: SCHEERY DITCH

0.40 MILES N OF US 224, Adams, IN

Built 1977 Load: 35.7 t ADT: 1,037

CARROLL RD

Good

Over: JOHNSON MAIN DRAIN

00.10 E US 33, Allen, IN

Built 2014 Load: 35.7 t ADT: 1,978

CR 975E

Good

Over: BRUMM DITCH

00.40 N of CR 400 S, Benton, IN

Built 1999 Load: 35.7 t ADT: 33

CR 750 SOUTH

Good

Over: MUD CREEK

0.80 W OF CR 580 E, Clinton, IN

Built 1992 Load: 35.7 t ADT: 204

SR 62/SR 66

Good

Over: LITTLE BLUE RIVER

01.37 E SR 37, Crawford, IN

Built 1994 Load: 35.7 t ADT: 519

CR 600N

Good

Over: MILL Creek

00.80 E of PORTERSVILLE R, Dubois, IN

Built 2007 Load: 35.7 t ADT: 43

COLUMBUS AVE

Good

Over: LITTLE LAUGHERY CREEK

00.50 SE of SR 46, Franklin, IN

Built 2011 Load: 35.7 t ADT: 600

DIVISION ROAD

Good

Over: CHIPPEWANUCK CREEK

00.10 E OF CR 775 E, Fulton, IN

Built 1968 Load: 35.7 t ADT: 100

CR 50 NORTH

Good

Over: GOOSE POND DITCH

0.50 E OF CR 1500 W, Greene, IN

Built 1966 Load: 35.7 t ADT: 879

REYNOLDS RD

Good

Over: BEACH CREEK

00.50 N COAL CTY-ARNEY RD, Owen, IN

Built 1987 Load: 35.7 t ADT: 190

CR 625E

Good

Over: HIGGINS BRANCH CREEK

00.10 N of CR 1000 S, Putnam, IN

Built 1920 Load: 35.7 t ADT: 100

CR 200W

Good

Over: BRANCH OF FLATROCK RIVER

00.40 N OF CR 450 S, Rush, IN

Built 2006 Load: 35.7 t ADT: 100

CR 300E

Good

Over: PAINT Creek

00.25 N of CR 450 N, Carroll, IN

Built 1952 Load: 35.8 t ADT: 165

CR 400E

Good

Over: SUGAR CREEK

00.69 S OF 900 N, Hancock, IN

Built 1989 Load: 35.8 t ADT: 550

CR 275E

Good

Over: BRANCH OF BIG WALNUT CR

00.20 N of CR 100 N, Putnam, IN

Built 1993 Load: 35.8 t ADT: 160

CR 1100E

Good

Over: MIDDLE FORK CROOKED CR

00.02 N of CR 1150 N, Spencer, IN

Built 1992 Load: 35.8 t ADT: 140

LICK SKILLET RD

Good

Over: DUNCAN BR DELANEY CREEK

00.60 S of DELANEY MILPOR, Washington, IN

Built 2004 Load: 35.8 t ADT: 112

CR 500W

Good

Over: STOLLER DITCH

00.25 S CR 200 N, White, IN

Built 1994 Load: 35.8 t ADT: 100

CR 800E

Good

Over: HAYES DITCH

00.13 S of CR 1200 N, Daviess, IN

Built 1976 Load: 35.9 t ADT: 69

CR 1400N

Good

Over: BRANCH OF FIRST CREEK

00.09 E of CR 1100 E, Daviess, IN

Built 1977 Load: 35.9 t ADT: 68

CR 800 N

Good

Over: BRANCH N FORK PRAIRIE CR

00.84 E of CR 1100 E, Daviess, IN

Built 2001 Load: 35.9 t ADT: 12

CR 500 WEST

Good

Over: POND CREEK

0.2 MI S OF CR 800 S, Huntington, IN

Built 1995 Load: 35.9 t ADT: 107

CR 25E

Good

Over: Indian Creek

00.68 S of CR 300 N, Jackson, IN

Built 2010 Load: 35.9 t ADT: 781

CR 400 SOUTH

Good

Over: ROWE-EDEN DITCH

00.45 W OF CR 1000W, LaGrange, IN

Built 2001 Load: 35.9 t ADT: 425

CR 1400N

Good

Over: LILLY CREEK

00.50 W CR 200 W, Madison, IN

Built 1988 Load: 35.9 t ADT: 147

CR 1250N

Good

Over: POLECAT CREEK

00.10 E CR 300 E, Madison, IN

Built 1983 Load: 35.9 t ADT: 147

86TH STREET

Good

Over: CROOKED CREEK

00.60 W OF TOWNSHIP LINE, Marion, IN

Built 1993 Load: 35.9 t ADT: 28,225

N FIR ROAD

Good

Over: DAUSMAN DITCH

00.20 N OF E 7TH ROAD, Marshall, IN

Built 1998 Load: 35.9 t ADT: 1,450

ROUTE H-132

Good

Over: BOGGS CREEK

20M W OF H-333, Martin, IN

Built 1987 Load: 35.9 t ADT: 100

ROUTE H-290

Good

Over: FIRST CREEK

100M E OF H293, Martin, IN

Built 1987 Load: 35.9 t ADT: 500

HACKERS CREEK ROAD

Good

Over: LITTLE INDIAN CREEK

00.20 N MORGAN CO RD, Monroe, IN

Built 1960 Load: 35.9 t ADT: 98

CR 200S

Good

Over: WALNUT CREEK

00.20 W of CR 1025 E, Montgomery, IN

Built 1984 Load: 35.9 t ADT: 100

CR 1200S

Good

Over: BIG RACCOON CREEK

00.10 E of CR 240 E, Montgomery, IN

Built 1988 Load: 35.9 t ADT: 60

CR 1700 S

Good

Over: BOWTON DITCH

0.2 MI W CR 625 W, Newton, IN

Built 2006 Load: 35.9 t ADT: 143

Showing 14,551-14,600 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.