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

LAFAYETTE RD

Good

Over: EAGLE CREEK RESERVOIR

00.47 S OF MOORE RD, Marion, IN

Built 2009 Load: 34.3 t ADT: 10,863

SR 10

Good

Over: WOLF CREEK

02.42 W US 31, Marshall, IN

Built 2004 Load: 34.3 t ADT: 1,620

I-74 EB

Good

Over: LITTLE SUGAR CREEK

00.36 W SR 32, Montgomery, IN

Built 1964 Load: 34.3 t ADT: 17,400

US 41 SB

Good

Over: KANKAKEE RIVER

02.03 N SR 10, Newton, IN

Built 1954 Load: 34.3 t ADT: 7,635

CR 300 W

Good

Over: THOMPSON DITCH

0.5 MI S CR 900 S, Newton, IN

Built 2016 Load: 34.3 t ADT: 152

CR 1275 S

Good

Over: MONTGOMERY DITCH

0.2 MI E CR 600 W, Newton, IN

Built 2020 Load: 34.3 t ADT: 143

I-64 WBL

Good

Over: SIGLER CREEK

00.38 E SR 145, Perry, IN

Built 1973 Load: 34.3 t ADT: 13,260

21st St

Good

Over: Unnamed Creek

00.20 N of Mozart St, Perry, IN

Built 1975 Load: 34.3 t ADT: 300

SR 62 WB

Good

Over: MCFADDEN CREEK

01.17 W SR 69, Posey, IN

Built 1969 Load: 34.3 t ADT: 8,010

SR 39

Good

Over: LINCOLN DITCH

01.02 S SR 14, Pulaski, IN

Built 1950 Load: 34.3 t ADT: 1,151

CR 375W

Good

Over: WHITE RIVER

00.54 MI N OF SR 32, Randolph, IN

Built 1985 Load: 34.3 t ADT: 211

US 231 SB

Good

Over: HONEY CREEK

02.54 N SR 66, Spencer, IN

Built 2006 Load: 34.3 t ADT: 5,000

JACKSON RD

Good

Over: LONG RUN

00.10 N of US 129, Switzerland, IN

Built 1973 Load: 34.3 t ADT: 225

CR 900E

Good

Over: Sugar Creek

00.16 S of CR 650 N, Tippecanoe, IN

Built 1956 Load: 34.3 t ADT: 568

CR 1050W

Good

Over: WILBERT CRUM DITCH

00.10 S OF SR 28, Tipton, IN

Built 2010 Load: 34.3 t ADT: 100

ORCHARD RD

Good

Over: ILLINOIS CENTRAL RR

00.60 W OF FISCHER RD, Vanderburgh, IN

Built 1993 Load: 34.3 t ADT: 500

I-64 WBL

Good

Over: IND SOUTHERN RAILROAD

01.48 E I-164 / SR 57, Warrick, IN

Built 1970 Load: 34.3 t ADT: 8,539

HUNT TRAIL ROAD

Good

Over: COLES CREEK

0.63 MI W EAMES ST RD, Warrick, IN

Built 1979 Load: 34.3 t ADT: 135

US 27

Good

Over: BUCK RUN CREEK

05.35 N I-70, Wayne, IN

Built 1957 Load: 34.3 t ADT: 6,556

LEAVELL RD

Good

Over: NETTLE CREEK

00.20 E of FRANKLIN Rd, Wayne, IN

Built 1989 Load: 34.3 t ADT: 164

HOOSIER HIGHWAY

Good

Over: NEFF DITCH

00.30 N OF CR 400 S, Wells, IN

Built 2021 Load: 34.3 t ADT: 1,482

CR 600 NORTH

Good

Over: AMOS-THIEME DITCH

0.60 MILES W OF CR 700 E, Adams, IN

Built 1976 Load: 34.4 t ADT: 110

CR 900S

Good

Over: BROWN DITCH

00.90 W of CR 600 E, Benton, IN

Built 1999 Load: 34.4 t ADT: 70

CR 800S

Good

Over: STONEY CREEK

00.28 E of CR 700 E, Delaware, IN

Built 2002 Load: 34.4 t ADT: 110

SOUTH ST LOUIS RD

Good

Over: NO NAME CREEK

01.00 W OF ROTHROCK MILL, Harrison, IN

Built 2000 Load: 34.4 t ADT: 360

EAST OLD GOSHEN RD

Good

Over: NO NAME CREEK

00.10 E OF MERK ROAD, Harrison, IN

Built 1995 Load: 34.4 t ADT: 170

US 31

Good

Over: MUTTON CREEK DITCH

01.06 N I-65, Jackson, IN

Built 1980 Load: 34.4 t ADT: 4,119

WALNUT ST

Good

Over: CROOKED CREEK

00.39 N of AULENBACH AVE, Jefferson, IN

Built 2008 Load: 34.4 t ADT: 100

BROADWAY STREET

Good

Over: LEATHERWOOD CREEK

00.30 N of HILLTOP Rd, Parke, IN

Built 1993 Load: 34.4 t ADT: 468

CR 600N

Good

Over: BLUE RIVER

00.50 W CR 650 E, Whitley, IN

Built 2009 Load: 34.4 t ADT: 200

CR 450 WEST

Good

Over: PAUL BIEBERICH DITCH

0.40 MILES S OF CR 900 N, Adams, IN

Built 1976 Load: 34.5 t ADT: 110

CR 550N

Good

Over: SQUAW Branch

00.75 E of CR 900 W, Carroll, IN

Built 1976 Load: 34.5 t ADT: 75

E ROAD

Good

Over: BIG CREEK

1.2 MI W. OF E. PERIMETER, Jefferson, IN

Built 2016 Load: 34.5 t ADT: 2

CR 175N

Good

Over: SIX MILE CREEK

00.02 E OF CR 500 W, Jennings, IN

Built 2014 Load: 34.5 t ADT: 300

DOC HAMILTON BLVD

Good

Over: CSX RAILROAD

00.80 E OF SR 37, Lawrence, IN

Built 2011 Load: 34.5 t ADT: 1,741

CR 725 SOUTH

Good

Over: PATOKA RIVER

0.65 E OF CR 325 E, Orange, IN

Built 1999 Load: 34.5 t ADT: 192

CR 250S

Good

Over: BRANCH OF SNAKE CREEK

00.80 W of CR 600 W, Putnam, IN

Built 2003 Load: 34.5 t ADT: 100

CR 650E

Good

Over: BIG WALNUT CREEK

00.70 S of CR 1200 N, Putnam, IN

Built 2016 Load: 34.5 t ADT: 240

SR 156

Good

Over: SAND RUN

05.02 W SR 250, Switzerland, IN

Built 1938 Load: 34.5 t ADT: 676

CR 500N

Good

Over: BUCK CREEK

00.21 W of CR 900 E, Tippecanoe, IN

Built 1960 Load: 34.5 t ADT: 275

MARTINSBURG Rd

Good

Over: South Fork BLUE River

00.80 S of SHORTS CORNER, Washington, IN

Built 2002 Load: 34.5 t ADT: 56

CR 500S

Good

Over: DARBY DITCH

00.20 E of CR 500 S, Benton, IN

Built 1995 Load: 34.6 t ADT: 55

ANGLING ROAD

Good

Over: MOORE PRONG CREEK

00.30 SW OF 100 W, Blackford, IN

Built 2004 Load: 34.6 t ADT: 219

CR 350 E

Good

Over: NEW PAKOTA RIVER

00.90 S OF CR 400 N, Gibson, IN

Built 2010 Load: 34.6 t ADT: 130

CLARK STREET

Good

Over: BEAVER DAM DITCH

00.40 N. of 101st Ave, Lake, IN

Built 2000 Load: 34.6 t ADT: 4,369

H-156

Good

Over: SULPHUR CREEK

0.1 KM WEST OF H-164, Martin, IN

Built 2008 Load: 34.6 t ADT: 150

MILL ST

Good

Over: DRY BRANCH CREEK

00.10 S. of ELMORE St, Montgomery, IN

Built 1977 Load: 34.6 t ADT: 2,650

CR 900W

Good

Over: HOOPPOLE DITCH

00.12 N of CR 400 N, Spencer, IN

Built 1991 Load: 34.6 t ADT: 510

CR 725W

Good

Over: TURKEY Creek

0.20 MILES S OF CR 700 S, Steuben, IN

Built 1984 Load: 34.6 t ADT: 77

CR 230W

Good

Over: BROUILLETTS CREEK

00.10 S of SR 163, Vermillion, IN

Built 1991 Load: 34.6 t ADT: 117

Showing 14,201-14,250 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.