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 40

Good

Over: BUCK CREEK

00.15 E OF CR 475 W, Henry, IN

Built 2009 Load: 21.2 t ADT: 250

FRUITRIDGE AVE NB

Good

Over: LOST CREEK

00.40 S MAPLE AVE, Vigo, IN

Built 1971 Load: 21.3 t ADT: 9,387

COLLIER RIDGE RD

Good

Over: WEST FORK OF TANNERS CR

00.20 S OF FOX RD, Dearborn, IN

Built 2014 Load: 21.4 t ADT: 330

SR 25

Good

Over: CHIPPEWANUCK CREEK

03.54 N SR 14, Fulton, IN

Built 1993 Load: 21.4 t ADT: 2,691

SR 57

Good

Over: PIGEON CREEK OVERFLOW

01.66 N SR 68, Gibson, IN

Built 1995 Load: 21.4 t ADT: 7,984

PUMPING STATION RD

Good

Over: SOUTH FORK BUCK CREEK

00.40 S SMITH CAMPGROUND, Harrison, IN

Built 1991 Load: 21.4 t ADT: 236

US 31

Good

Over: VERNON FK MUSCATATUCK R

00.30 N I-65, Jackson, IN

Built 1990 Load: 21.4 t ADT: 4,119

KOENIG ROAD

Good

Over: SINGER DITCH

00.45 N OF RIVERDALE ROAD, Knox, IN

Built 1905 Load: 21.4 t ADT: 130

SR 124

Good

Over: MISSISSINEWA RIVER

03.10 E SR 19, Miami, IN

Built 1980 Load: 21.4 t ADT: 1,432

Farm Bureau Rd

Good

Over: Whipple Ditch

01.31 SE RABEN RD, Posey, IN

Built 1982 Load: 21.4 t ADT: 172

N. HARRISON STREET

Good

Over: BIG BLUE RIVER

01.51 S I-74, Shelby, IN

Built 1994 Load: 21.4 t ADT: 15,000

BABE HATTABAUGH

Good

Over: DUNCAN BR DELANEY CREEK

00.10 S of DELANEY MILPOR, Washington, IN

Built 1997 Load: 21.4 t ADT: 225

CR 325E

Good

Over: DEER Creek

00.02 N of CR 300 N, Carroll, IN

Built 1993 Load: 21.5 t ADT: 23

CR 325 EAST

Good

Over: NORTH FORK LEWIS CREEK

00.05 MI. N. OF CR 50 S, Shelby, IN

Built 1984 Load: 21.5 t ADT: 125

PLEASANT CENTER RD

Good

Over: HARBER DRAIN

00.10 W BLUFFTON RD, Allen, IN

Built 1969 Load: 21.6 t ADT: 1,249

CR 400N

Good

Over: UPPER SUGAR CREEK

00.30 E of CR 200 E, Benton, IN

Built 1997 Load: 21.6 t ADT: 93

CR 200S

Good

Over: ROWE-EDEN DITCH

00.15 E CR 1100 W, LaGrange, IN

Built 2015 Load: 21.6 t ADT: 1,100

CR 118

Good

Over: Kraus Creek

00.10 E of CR 16A(Azeala), Perry, IN

Built 1997 Load: 21.6 t ADT: 125

MORGAN RD

Good

Over: FLATROCK CREEK

00.30 S PAULDING ROAD, Allen, IN

Built 1987 Load: 21.7 t ADT: 182

SR 4

Good

Over: BOYER DITCH

03.60 E SR 15, Elkhart, IN

Built 1990 Load: 21.7 t ADT: 2,481

I-69 NB

Good

Over: MISSISSINEWA RIVER

01.78 S US 35, Grant, IN

Built 1963 Load: 21.7 t ADT: 14,139

I-69 SB

Good

Over: MISSISSINEWA RIVER

01.78 S US 35, Grant, IN

Built 1963 Load: 21.7 t ADT: 14,139

SR 32/38

Good

Over: WHITE RIVER & WALKWAY

00.06 E SR 19, Hamilton, IN

Built 1992 Load: 21.7 t ADT: 40,154

SR 18

Good

Over: C WILLIAMS DITCH

04.55 E SR 1, Jay, IN

Built 1986 Load: 21.7 t ADT: 1,380

SR 18

Good

Over: HONEY CREEK

01.23 W SR 19, Miami, IN

Built 1985 Load: 21.7 t ADT: 1,324

CR 1075E

Good

Over: SOUTH FORK WILDCAT CREEK

01.08 N of CR 700 S, Tippecanoe, IN

Built 1974 Load: 21.7 t ADT: 230

LINDBERG RD

Good

Over: CELERY BOG

00.38 W NORTHWESTERN AVE, Tippecanoe, IN

Built 2012 Load: 21.7 t ADT: 4,434

FRANKLIN SCHOOL RD

Good

Over: BR MIDDLE FORK BLUE RIVE

00.90 N of SR 160, Washington, IN

Built 1996 Load: 21.7 t ADT: 469

TICKRIDGE Rd

Good

Over: ROCK Run Creek

00.50 NW of FISHER Rd, Parke, IN

Built 1908 Load: 21.8 t ADT: 33

BLOOMINGDALE Rd

Good

Over: SUGAR Creek

00.10 SE of JACKSON Rd, Parke, IN

Built 1861 Load: 21.8 t ADT: 454

CR 64

Good

Over: ST JOSEPH RIVER

00.30 E OF SR 1, DeKalb, IN

Built 1970 Load: 21.9 t ADT: 1,125

JASPER DUBOIS Rd

Good

Over: POLSON Creek

00.20 SW of SR 545, Dubois, IN

Built 1990 Load: 22.0 t ADT: 1,756

JOHN PECTOL RD

Good

Over: BR LITTLE INDIAN CR

00.10 W EVANS-JACOBI, Floyd, IN

Built 1981 Load: 22.0 t ADT: 468

CR 250W

Good

Over: DEER CREEK

00.90 N of CR 900 S, Putnam, IN

Built 1999 Load: 22.0 t ADT: 120

CR 125W

Good

Over: BUCK CREEK

00.75 N OF US 40, Henry, IN

Built 2006 Load: 22.1 t ADT: 100

CR 1000 WEST

Good

Over: LITTLE ELKHART RIVER

00.20 N OF CR 100S, LaGrange, IN

Built 1977 Load: 22.1 t ADT: 625

CR 1100N

Good

Over: LAKE FREEMAN CANAL

00.04 N N LANDING RD, Carroll, IN

Built 2013 Load: 22.2 t ADT: 310

CR 200E

Good

Over: WHITE RIVER

00.96 MI N OF SR 32, Randolph, IN

Built 1985 Load: 22.2 t ADT: 145

CR 300 EAST

Good

Over: LOST RIVER

0.60 S OF SR 337, Orange, IN

Built 2005 Load: 22.3 t ADT: 150

CELESTINE RDS

Good

Over: HALL CREEK

01.30 N SCHNELLVILLE RD, Dubois, IN

Built 1976 Load: 22.4 t ADT: 812

SR 57

Good

Over: SOUTHERN RR

00.44 N SR 64, Gibson, IN

Built 1985 Load: 22.4 t ADT: 5,340

SR 37

Good

Over: BELL CREEK

00.37 S US 35, Grant, IN

Built 1984 Load: 22.4 t ADT: 3,268

NOBLE DR

Good

Over: SCHOOL BRANCH

00.30 S OF CR 600 N, Hendricks, IN

Built 2003 Load: 22.4 t ADT: 250

I-70 WB

Good

Over: INDIANA HIGH RAIL

05.37 W SR 1, Henry, IN

Built 1965 Load: 22.4 t ADT: 19,818

WOLF RUN RD

Good

Over: BRANCH OF WOLF RUN

00.83 N of CR 320 N, Jefferson, IN

Built 2003 Load: 22.4 t ADT: 175

I-465 EB

Good

Over: WHITE RIV, HIKING TRAIL

02.34 W I-69, Marion, IN

Built 1967 Load: 22.4 t ADT: 70,266

SR 249 SB

Good

Over: LITTLE CALUMET RIVER

00.71 N I-94, Porter, IN

Built 1972 Load: 22.4 t ADT: 12,140

SR 165

Good

Over: BLACK RIVER

01.15 N I-64, Posey, IN

Built 1982 Load: 22.4 t ADT: 1,998

SR 66

Good

Over: HONEY CREEK

01.68 E US 231, Spencer, IN

Built 1932 Load: 22.4 t ADT: 4,120

BROWN LN

Good

Over: BR MIDDLE FORK BLUE RIVE

00.10 N of COUNTY FARM Rd, Washington, IN

Built 1995 Load: 22.4 t ADT: 120

Showing 11,101-11,150 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.