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 265 DRW

Good

Over: C&O RR, CMC RR

00.20 W SR 62, Clark, IN

Built 1992 Load: 32.7 t ADT: 10,500

SELLERSBURG ROAD

Good

Over: SILVER CREEK

00.80 S of Bean Road, Clark, IN

Built 1983 Load: 32.7 t ADT: 800

MARION MARTIN Rd

Good

Over: FOURTEEN MILE Creek

00.30 SE of New Market Ro, Clark, IN

Built 1980 Load: 32.7 t ADT: 200

ALEXANDER BIGGS Rd

Good

Over: BLUE LICK CREEK

00.10 W of Howser Road, Clark, IN

Built 1990 Load: 32.7 t ADT: 390

SEILO RIDGE N

Good

Over: BRANCH OF LANCASSANGE CR

00.20 SW of Capitl Hills, Clark, IN

Built 2005 Load: 32.7 t ADT: 210

SPRING STREET

Good

Over: PLEASANT RUN

00.10 N MAIN STREET, Clark, IN

Built 2015 Load: 32.7 t ADT: 779

STAR VALLEY WAY

Good

Over: KOETTER HOLLOW

1.3 S. of HWY 60, Clark, IN

Built 2016 Load: 32.7 t ADT: 1,640

KEYSTONE BLVD.

Good

Over: CSXTRR

0.23 SW UTICA SELLE. RD, Clark, IN

Built 2000 Load: 32.7 t ADT: 260

SR 59

Good

Over: OTTER CREEK

01.76 N US 40, Clay, IN

Built 1954 Load: 32.7 t ADT: 5,283

SR 246

Good

Over: BRANCH CONNELEY DITCH

00.30 E SR 59, Clay, IN

Built 1946 Load: 32.7 t ADT: 671

SR 28

Good

Over: LICK RUN

01.48 E I-65, Clinton, IN

Built 2007 Load: 32.7 t ADT: 9,093

SR 29

Good

Over: WALKER DITCH

00.74 N US421/SR28 N JCT, Clinton, IN

Built 2008 Load: 32.7 t ADT: 3,316

CR 200 NORTH

Good

Over: SOUTH FORK WILDCAT CREEK

0.10 E OF SR 39, Clinton, IN

Built 1988 Load: 32.7 t ADT: 306

CR 530 EAST

Good

Over: SOUTH FORK WILDCAT CREEK

0.10 S OF CR 300 N, Clinton, IN

Built 1999 Load: 32.7 t ADT: 204

CR 750 EAST

Good

Over: MCCLAMROCK DITCH

0.10 S OF CR 700 S, Clinton, IN

Built 1990 Load: 32.7 t ADT: 102

CR 000 N/S

Good

Over: HEAVILON DITCH

0.80 E OF CR 450 W, Clinton, IN

Built 1990 Load: 32.7 t ADT: 980

CR 875 WEST

Good

Over: LITTLE POTATO CREEK

0.60 S OF CR 450 S, Clinton, IN

Built 1985 Load: 32.7 t ADT: 306

CR 200 NORTH

Good

Over: BRANCH S FORK WILDCAT CR

0.50 E OF CR 900 W, Clinton, IN

Built 1974 Load: 32.7 t ADT: 204

CR 530 EAST

Good

Over: BRANCH S FORK WILDCAT CR

0.30 N OF CR 300 N, Clinton, IN

Built 2001 Load: 32.7 t ADT: 102

CR 900 EAST

Good

Over: BRANCH OF KILMORE CREEK

0.30 S OF CR 500 N, Clinton, IN

Built 2003 Load: 32.7 t ADT: 204

MICHIGANTOWN ROAD

Good

Over: UNNAMED CREEK

0.20 W OF CR 530 EAST, Clinton, IN

Built 1995 Load: 32.7 t ADT: 2,547

CR 400 NORTH

Good

Over: BOYLES DITCH

0.70 E SR 39, Clinton, IN

Built 2015 Load: 32.7 t ADT: 305

CR 900 EAST

Good

Over: SCOTT WINCOOP DRAIN

0.20 S OF CR 480 S, Clinton, IN

Built 2015 Load: 32.7 t ADT: 103

OTTER CREEK ROAD

Good

Over: LITTLE BLUE RIVER

0.30 E OF COLVERT ROLL, Crawford, IN

Built 1973 Load: 32.7 t ADT: 300

SR 57

Good

Over: VERTREES DITCH

01.69 N SR 58, Daviess, IN

Built 2004 Load: 32.7 t ADT: 2,680

INDIANA AVENUE

Good

Over: BRANCH OF HOGAN CREEK

00.10 E OF US 50, Dearborn, IN

Built 1930 Load: 32.7 t ADT: 110

COLD SPRING RD

Good

Over: LEE BRANCH/S HOGAN CREEK

02.00 E COUNTY LINE RD, Dearborn, IN

Built 2018 Load: 32.7 t ADT: 100

N DEARBORN RD

Good

Over: TAYLOR CREEK

00.60 E L-VILLE, Dearborn, IN

Built 2013 Load: 32.7 t ADT: 1,800

WOLIUNG RD

Good

Over: TAYLOR CREEK

00.10 W OF HAPPY HOLLOW, Dearborn, IN

Built 2019 Load: 32.7 t ADT: 70

CR 250N

Good

Over: LITTLE FLATROCK RIVER

00.60 W OF CR 150 W, Decatur, IN

Built 2000 Load: 32.7 t ADT: 140

CR 400S

Good

Over: COBBS FORK SAND CREEK

00.40 E OF CR 180 E, Decatur, IN

Built 2001 Load: 32.7 t ADT: 110

CR 300S

Good

Over: SAND CREEK

00.00 SE OF SW 60, Decatur, IN

Built 2005 Load: 32.7 t ADT: 140

CR 300S

Good

Over: LAST FORK SAND CREEK

00.40 W OF CR 180 E, Decatur, IN

Built 1996 Load: 32.7 t ADT: 140

CR 20W

Good

Over: LOST FORK SAND CREEK

00.40 N OF CR 400 S, Decatur, IN

Built 1996 Load: 32.7 t ADT: 140

WEST ST

Good

Over: MILLSTONE CREEK

00.20 N OF CR 1150 S, Decatur, IN

Built 1971 Load: 32.7 t ADT: 710

CR 500S

Good

Over: SAND CREEK

00.04 E OF CR 220 SW, Decatur, IN

Built 2008 Load: 32.7 t ADT: 130

MONTGOMERY RD

Good

Over: GAS CREEK

00.02 SE OF FLEETWOOD DR, Decatur, IN

Built 2012 Load: 32.7 t ADT: 950

CR 650N

Good

Over: FLATROCK RIVER

01.00 SW OF CR 400 W, Decatur, IN

Built 2012 Load: 32.7 t ADT: 190

CR 400W

Good

Over: FLATROCK RIVER

00.10 S CR 750 N, Decatur, IN

Built 2013 Load: 32.7 t ADT: 110

CR 240NW

Good

Over: MUDDY FORK OF SAND CREEK

00.40 E CR 250 W, Decatur, IN

Built 2015 Load: 32.7 t ADT: 610

CR 500 W

Good

Over: BR FALL FORK CLIFTY CREE

00.10 N OF BASE RD, Decatur, IN

Built 2019 Load: 32.7 t ADT: 110

WEST BASE ROAD

Good

Over: BR FALL FORK CLIFTY CREE

00.10 W OF CR 500 W, Decatur, IN

Built 2019 Load: 32.7 t ADT: 110

CR 60

Good

Over: ST JOSEPH RIVER

00.40 W OF SR 101, DeKalb, IN

Built 1990 Load: 32.7 t ADT: 700

CR 12

Good

Over: FISH CREEK

00.90 E OF CR 71, DeKalb, IN

Built 1983 Load: 32.7 t ADT: 100

CR 8

Good

Over: FISH CREEK

00.60 E OF CR 71, DeKalb, IN

Built 1983 Load: 32.7 t ADT: 100

CR 61A

Good

Over: DONNELL DITCH

00.20 N OF CR 24, DeKalb, IN

Built 2003 Load: 32.7 t ADT: 730

CR 22

Good

Over: DIBBLING DITCH

00.20 E OF CR 31, DeKalb, IN

Built 2003 Load: 32.7 t ADT: 100

CR 71

Good

Over: NANCY DAVIS DITCH

00.45 N OF CR 60, DeKalb, IN

Built 2003 Load: 32.7 t ADT: 125

US 35/SR 28

Good

Over: YEAGER, FINLEY, MAYNARD

0.73 E I-69, Delaware, IN

Built 1997 Load: 32.7 t ADT: 7,040

SR 67/ CR 800 W

Good

Over: SHOEMAKER DITCH

01.67 N I-69, Delaware, IN

Built 1998 Load: 32.7 t ADT: 14,890

Showing 12,651-12,700 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.