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 LIMA RD

Good

Over: WILLOW CREEK

00.10 N CEDAR CANYONS RD, Allen, IN

Built 2009 Load: 42.8 t ADT: 3,500

US 31

Good

Over: FLATROCK RIVER

05.42 S I-65, Bartholomew, IN

Built 2006 Load: 42.8 t ADT: 21,394

SR 135

Good

Over: BR SALT CREEK

07.11 S SR 46, Brown, IN

Built 1986 Load: 42.8 t ADT: 1,445

CR 250 NORTH

Good

Over: S FORK WILDCAT CREEK

0.20 W OF CR 250 E, Clinton, IN

Built 2023 Load: 42.8 t ADT: 239

ALTON FREDONIA RD

Good

Over: UNT OHIO RIVER

1.10 E OF CAPE SANDY ROAD, Crawford, IN

Built 2019 Load: 42.8 t ADT: 50

CR 900E

Good

Over: FLAT CREEK

00.26 S of CR 200 N, Daviess, IN

Built 2023 Load: 42.8 t ADT: 1,988

1ST AVE

Good

Over: BRUNER CREEK

00.10 W of CHERRY St., Dubois, IN

Built 2002 Load: 42.8 t ADT: 130

EISENHOWER DRIVE

Good

Over: HORN DITCH

00.38 NE OF LINCOLNWAY E, Elkhart, IN

Built 2008 Load: 42.8 t ADT: 6,506

CR 65 S

Good

Over: BROWN DITCH

00.40 W OF CR 325 W, Gibson, IN

Built 2006 Load: 42.8 t ADT: 350

US 52

Good

Over: WEST LITTLE SUGAR CREEK

07.72 W SR 9, Hancock, IN

Built 2020 Load: 42.8 t ADT: 12,670

SR 44

Good

Over: YOUNGS CREEK

00.86 W SR 144, Johnson, IN

Built 1970 Load: 42.8 t ADT: 5,838

SR 37 NB/SB

Good

Over: NORTH BLUFF CREEK

1.55 N. SR-144, Johnson, IN

Built 2022 Load: 42.8 t ADT: 47,800

SR 550

Good

Over: KESSINGER DITCH

02.25 W US 50, Knox, IN

Built 1922 Load: 42.8 t ADT: 1,752

6TH STREET ROAD

Good

Over: DESHEE RIVER

01.21 S OF BAND MILL ROAD, Knox, IN

Built 2005 Load: 42.8 t ADT: 130

SR 25

Good

Over: YELLOW CREEK

00.42 S SR 19, Kosciusko, IN

Built 1995 Load: 42.8 t ADT: 3,267

US 41

Good

Over: GRAND CALUMET RIVER

00.58 S OLD SR 312, Lake, IN

Built 2002 Load: 42.8 t ADT: 18,401

SR 312

Good

Over: INDIANA HARBOR CANAL

00.50 E US 20, Lake, IN

Built 2010 Load: 42.8 t ADT: 12,308

SR 212

Good

Over: NICTD RR

01.05 N US 20, LaPorte, IN

Built 1972 Load: 42.8 t ADT: 8,265

NORTH OTIS ROAD

Good

Over: E. ARM LITTLE CALUMET R.

0.67 S. CR 100N, LaPorte, IN

Built 2022 Load: 42.8 t ADT: 150

SPRINGVILLE JUDAH

Good

Over: SPRING CREEK

03.18 W OF SR 37, Lawrence, IN

Built 2016 Load: 42.8 t ADT: 1,148

KESSLER BLVD W. DR

Good

Over: WHITE RIVER

00.24 W OF MERIDIAN STREE, Marion, IN

Built 1957 Load: 42.8 t ADT: 42,581

H-5

Good

Over: FIRST CREEK

0.1 KM EAST OF H-383, Martin, IN

Built 1942 Load: 42.8 t ADT: 3,350

BREEDEN ROAD

Good

Over: BRANCH INDIAN CREEK

0.1 MI SOUTH OF GRAVES RD, Monroe, IN

Built 1970 Load: 42.8 t ADT: 790

STEWART RIDGE ROAD

Good

Over: ARNOLD CREEK

0.20 S OF SR 262, Ohio, IN

Built 2019 Load: 42.8 t ADT: 100

SR 57

Good

Over: LICK CREEK

02.84 N SR 356, Pike, IN

Built 1979 Load: 42.8 t ADT: 7,563

SR 49 SB

Good

Over: CSX RR, LITTLE CALUMET R

00.37 S I-94, Porter, IN

Built 1970 Load: 42.8 t ADT: 12,304

CR 700N

Good

Over: BEAR CREEK

00.10 MI W of CR 400 W, Randolph, IN

Built 1980 Load: 42.8 t ADT: 363

SR 161

Good

Over: GARRETT CREEK

05.98 S SR 66, Spencer, IN

Built 1992 Load: 42.8 t ADT: 11,403

SR 10

Good

Over: MCGAFFEY DITCH

00.40 E SR 23, Starke, IN

Built 2010 Load: 42.8 t ADT: 1,295

CR 1200S

Good

Over: East Wea Creek

00.30 W of CR 575 E, Tippecanoe, IN

Built 1975 Load: 42.8 t ADT: 75

SR 13

Good

Over: BRANCH BEAR GRASS CREEK

01.15 N SR 16, Wabash, IN

Built 2013 Load: 42.8 t ADT: 3,351

SR 62

Good

Over: N FORK LITTLE PIGEON CRE

01.63 N SR 162, Warrick, IN

Built 1954 Load: 42.8 t ADT: 4,741

SR 68

Good

Over: OLD PIGEON CREEK

01.56 E SR 57, Warrick, IN

Built 1991 Load: 42.8 t ADT: 2,136

I-69 SB

Good

Over: CFE RR

00.81 N SR 14, Allen, IN

Built 1960 Load: 42.9 t ADT: 31,507

MARION CENTER RD

Good

Over: JACOB KOEHLINGER DRAIN

00.25 N I-469, Allen, IN

Built 1996 Load: 42.9 t ADT: 3,800

CR 1100W

Good

Over: KULT DITCH

00.30 S of CR 100 S, Benton, IN

Built 1991 Load: 42.9 t ADT: 60

CR 925W

Good

Over: KILLBUCK CREEK

00.07 SE of CR 300 N, Delaware, IN

Built 1994 Load: 42.9 t ADT: 150

CR 500E

Good

Over: CROOKED CREEK

0.21 S OF CR 25 S, Jennings, IN

Built 2020 Load: 42.9 t ADT: 100

CR 200 SOUTH

Good

Over: BRANCH OF YOUNGS CR

0.10 W OF CR 75 W, Johnson, IN

Built 2000 Load: 42.9 t ADT: 201

CR 200 SOUTH

Good

Over: EMMA CREEK

00.15 W OF CR 600W, LaGrange, IN

Built 1998 Load: 42.9 t ADT: 1,750

FREEDOM ARNEY RD

Good

Over: FISH CREEK

0.4 S OF SASSAFRAS RD, Owen, IN

Built 1959 Load: 42.9 t ADT: 450

PIQUA ROAD

Good

Over: KOOS DITCH

0.10 MILES S OF CR 550 N, Adams, IN

Built 1935 Load: 43.0 t ADT: 1,433

CR 800S

Good

Over: LITTLE STONEY CREEK

00.06 W of CR 875 E, Delaware, IN

Built 1991 Load: 43.0 t ADT: 100

HONEY CREEK RD

Good

Over: HONEY CREEK

0.23 N STONES CROSSING RD, Johnson, IN

Built 2023 Load: 43.0 t ADT: 3,800

OLD SR 37 N

Good

Over: BEANBLOSSOM CREEK

.1 MILE N OF ROBINSON RD, Monroe, IN

Built 1994 Load: 43.0 t ADT: 2,268

SERVICE ROAD

Good

Over: ARNOLD CREEK

0.00 INT OF SR 262, Ohio, IN

Built 2012 Load: 43.0 t ADT: 100

GROTTO Rd

Good

Over: BR SULPHUR CREEK

00.10 W MAIN ST, Vigo, IN

Built 2002 Load: 43.0 t ADT: 880

SR 930 EB

Good

Over: NS RR

05.36 E US 27, Allen, IN

Built 1953 Load: 43.1 t ADT: 13,980

I-65 SB

Good

Over: PRAIRIE CREEK

00.20 N US 52, Boone, IN

Built 2023 Load: 43.1 t ADT: 25,855

CR 400W

Good

Over: WOLF CREEK

00.50 S OF CR 50 S, Boone, IN

Built 1920 Load: 43.1 t ADT: 120

Showing 16,051-16,100 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.