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

CR 800S

Good

Over: LITTLE WHITE RIVER

00.60 MI W OF CR 1000 W, Randolph, IN

Built 2023 Load: 76.7 t ADT: 251

GROVE ST

Good

Over: SPY RUN CREEK

00.10 E OF WESTBROOK DR, Allen, IN

Built 1968 Load: 76.8 t ADT: 1,539

OLD MICHIGAN RD

Good

Over: LITTLE GRAHAM CREEK

00.13 N OF CR 550 S, Ripley, IN

Built 2015 Load: 76.8 t ADT: 600

BRILLHART AVE

Good

Over: LAISH DITCH

00.09 S OF SEAGRAVES AVE, Noble, IN

Built 2005 Load: 76.9 t ADT: 80

CR 200 NORTH

Good

Over: MUD CREEK

00.20 E OF CR 500 W, Fulton, IN

Built 2017 Load: 77.0 t ADT: 150

SR 62

Good

Over: LAUGHERY CREEK

03.91 E SR 129, Ripley, IN

Built 1969 Load: 77.1 t ADT: 404

MARKET ST/OLD SR25

Good

Over: EEL RIVER

00.32 S SR 17, Cass, IN

Built 2019 Load: 77.2 t ADT: 15,350

HURON WILLIAMS RD

Good

Over: HOOPER CREEK

02.54 N OF US 50, Lawrence, IN

Built 2021 Load: 77.4 t ADT: 122

82ND STREET

Good

Over: MUD CREEK

0.12 MI. E OF SERGEANT RD, Marion, IN

Built 1967 Load: 77.4 t ADT: 12,157

CHILDERS RD

Good

Over: LIMESTONE CREEK

00.10 E OF MOORE RD, Owen, IN

Built 2008 Load: 77.6 t ADT: 140

VILAS ROAD

Good

Over: BRANCH LICK CREEK

0.4 S OF PORTER RIDGE RD, Owen, IN

Built 2020 Load: 77.6 t ADT: 360

AIRPORT ROAD

Good

Over: CSX & EJ&E RR

00.11 N. of CHICAGO AVE, Lake, IN

Built 2014 Load: 77.7 t ADT: 7,591

CR 575S

Good

Over: Dry Branch

00.10 E of CR 300 W, Warren, IN

Built 2001 Load: 77.7 t ADT: 110

SR 114

Good

Over: CURTIS CREEK

02.01 W I-65, Jasper, IN

Built 1979 Load: 77.8 t ADT: 2,381

US 31 NB RAMP

Good

Over: MARTIN-YOUNGMAN DITCH

00.10 N SR 26, Howard, IN

Built 2013 Load: 78.1 t ADT: 1,802

FREELANDVILLE ROAD

Good

Over: MARIA CREEK

00.95 NE OF PERKINS ROAD, Knox, IN

Built 2019 Load: 78.2 t ADT: 550

WESTFIELD BLVD

Good

Over: BRANCH OF COOL CREEK

00.01 N OF 156TH ST, Hamilton, IN

Built 2002 Load: 78.4 t ADT: 3,800

CR N 1525 W

Good

Over: TRIB. TO QUICK CREEK

1.25 N of W HENRY ROAD, Jefferson, IN

Built 2021 Load: 78.4 t ADT: 100

CR 50S

Good

Over: CROOKED CREEK

00.90 W OF CR 750 W, Cass, IN

Built 1982 Load: 78.6 t ADT: 190

CR 1250W

Good

Over: LEWIS CREEK

00.51 N OF HENRY RD, Jefferson, IN

Built 2017 Load: 78.7 t ADT: 100

SR 58

Good

Over: UNT INDIAN CREEK

4.26 E SR 45, Lawrence, IN

Built 2017 Load: 78.7 t ADT: 2,694

SR 44

Good

Over: KOOTS FORK

04.26 W SR 135, Johnson, IN

Built 1977 Load: 79.7 t ADT: 1,164

CR 150 EAST

Good

Over: HABEGGER DITCH

0.00 MILES @ CR 500 S, Adams, IN

Built 2018 Load: 80.0 t ADT: 110

US 50

Good

Over: BRANCH STORM CREEK

03.60 E US 31, Jennings, IN

Built 2014 Load: 80.4 t ADT: 10,280

ROGERS ROAD

Good

Over: E FORK JACKSON CREEK

00.10 W SNODDY ROAD, Monroe, IN

Built 1994 Load: 80.4 t ADT: 5,251

US 24

Good

Over: SHELDON DITCH

01.49 W SR 71, Newton, IN

Built 2020 Load: 80.4 t ADT: 2,999

SR 127

Good

Over: Follette Creek

0.72 MI S SR 120, Steuben, IN

Built 2016 Load: 80.4 t ADT: 2,975

CR 400W

Good

Over: BIRCH-KING

00.30 S CR 50 N, Whitley, IN

Built 2004 Load: 80.4 t ADT: 175

SR 67

Good

Over: UNT LITTLE NO NAME CREEK

07.21 N I-69, Delaware, IN

Built 1999 Load: 81.6 t ADT: 12,872

US 31

Good

Over: MONON GREENWAY

4.88 N I-465, Hamilton, IN

Built 2014 Load: 81.6 t ADT: 55,805

SR 135

Good

Over: TURKEY PEN CREEK

05.43 N SR 144, Johnson, IN

Built 2012 Load: 81.6 t ADT: 26,961

FREELANDVILLE ROAD

Good

Over: BRANCH OF MARIAH CREEK

00.61 NE OF PERKINS ROAD, Knox, IN

Built 1987 Load: 81.6 t ADT: 550

SR 59

Good

Over: OTTER CREEK

06.59 N US 40, Parke, IN

Built 1955 Load: 81.6 t ADT: 2,208

US 231

Good

Over: BR N FK LITL PIGEON CR

00.24 N I-64, Spencer, IN

Built 2008 Load: 81.6 t ADT: 6,800

EDSALL AVE

Good

Over: NORFOLK SOUTHERN R/R

00.10 S OF MCDONALD ST, Allen, IN

Built 2019 Load: 81.8 t ADT: 2,625

HONEY CREEK Rd

Good

Over: HONEY Creek

00.30 N of VALEENE Pike, Washington, IN

Built 2012 Load: 82.8 t ADT: 120

US 421

Good

Over: TOPPER DITCH

01.84 N US 30, LaPorte, IN

Built 1986 Load: 82.9 t ADT: 4,504

CR 1100S

Good

Over: SUGAR CREEK

00.90 E CR 400 E, Madison, IN

Built 2011 Load: 82.9 t ADT: 425

STATE LINE ROAD

Good

Over: SPRING RUN

00.60 S of COOK Rd, Wayne, IN

Built 2005 Load: 82.9 t ADT: 66

HOLLINGSWORTH PLAC

Good

Over: COAL CREEK

00.40 N WHITESELL, Vigo, IN

Built 2010 Load: 83.9 t ADT: 377

CR 46

Good

Over: DAUSMAN DITCH

00.20 W OF CR 15, Elkhart, IN

Built 1961 Load: 84.0 t ADT: 1,974

I-74

Good

Over: PIPE CREEK

00.75 E SR 101, Ripley, IN

Built 1962 Load: 85.4 t ADT: 20,327

CR 800S

Good

Over: HILL DITCH

00.23 W OF CR 1600 W, Pulaski, IN

Built 2021 Load: 85.5 t ADT: 30

H-99

Good

Over: TURKEY CREEK

0.1 KM WEST OF H-58, Martin, IN

Built 2003 Load: 85.9 t ADT: 600

HENDERSON FORD RD

Good

Over: UNT WHITE RIVER

00.07 S OF SR 37, Morgan, IN

Built 2021 Load: 85.9 t ADT: 1,220

CR 600 N

Good

Over: UNNAMED DITCH

00.10 W. CR 700 W, Madison, IN

Built 2018 Load: 86.2 t ADT: 174

CR 450N

Good

Over: UNNAMED DITCH

00.40 E. CR 375 E, Madison, IN

Built 2018 Load: 86.2 t ADT: 174

PARK ROAD/CR 1600

Good

Over: RYAN DITCH

00.00 JASPER-PULASKI FISH, Pulaski, IN

Built 1993 Load: 86.2 t ADT: 143

CR 300 WEST

Good

Over: BLUE CREEK

0.10 MILES N OF CR 200 S, Adams, IN

Built 1984 Load: 86.4 t ADT: 296

SR 71

Good

Over: LEUCK DITCH

00.50 N SR 352, Benton, IN

Built 1991 Load: 86.8 t ADT: 140

Showing 17,551-17,600 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.