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

US 6

Good

Over: DEEP RIVER

00.71 E SR 51/I-80/94, Lake, IN

Built 1941 Load: 29.2 t ADT: 22,439

BOONE HOLLOW ROAD

Good

Over: DRY BRANCH

01.67 N OF SR 158, Lawrence, IN

Built 1993 Load: 29.2 t ADT: 226

CR 700 EAST

Good

Over: BIG PIPE CREEK

0.10 N OF CR 850 S, Miami, IN

Built 1990 Load: 29.2 t ADT: 200

I-69 NB

Good

Over: BEANBLOSSOM CREEK

02.79 N SR 46, Monroe, IN

Built 1972 Load: 29.2 t ADT: 10,184

I-69 SB

Good

Over: BEANBLOSSOM CREEK

02.79 N SR 46, Monroe, IN

Built 1972 Load: 29.2 t ADT: 10,207

CR 100W

Good

Over: HALL CREEK

00.70 S CR 200 S, Porter, IN

Built 2012 Load: 29.2 t ADT: 570

CR 300S

Good

Over: AHLGRIM DITCH

0.2 MILES E OF S.R. 49, Porter, IN

Built 2016 Load: 29.2 t ADT: 970

CR 100W

Good

Over: MUD CREEK

00.12 MI N OF CR 500 N, Randolph, IN

Built 1997 Load: 29.2 t ADT: 235

US 20/31 EB/WB

Good

Over: Abandoned RR

02.04 E SR 23, St. Joseph, IN

Built 1966 Load: 29.2 t ADT: 39,107

CR 625S

Good

Over: Little Wea Creek

00.41 W of US 231, Tippecanoe, IN

Built 2002 Load: 29.2 t ADT: 366

CR 700S

Good

Over: Little Flint Creek

00.38 W of SR 25, Tippecanoe, IN

Built 1973 Load: 29.2 t ADT: 162

CR 500N

Good

Over: BUCK CREEK

00.35 E of CR 900 E, Tippecanoe, IN

Built 1960 Load: 29.2 t ADT: 774

SR 66 EB

Good

Over: LITTLE CREEK

01.68 W SR 65, Vanderburgh, IN

Built 1969 Load: 29.2 t ADT: 5,478

SR 66 WB

Good

Over: LITTLE CREEK

01.68 W SR 65, Vanderburgh, IN

Built 1969 Load: 29.2 t ADT: 9,406

CYPRESS DALE RD

Good

Over: BAYOU CREEK

00.10 S SMITH-DIAMOND RD, Vanderburgh, IN

Built 1974 Load: 29.2 t ADT: 98

SR 63 NB

Good

Over: VERMILLION RIVER

00.62 N SR 234, Vermillion, IN

Built 1976 Load: 29.2 t ADT: 3,290

SR 641 SB

Good

Over: HONEY CREEK

02.24 N US 41, Vigo, IN

Built 2009 Load: 29.2 t ADT: 4,394

I-64 EBL

Good

Over: IND SOUTHERN RAILROAD

03.00 W SR 61, Warrick, IN

Built 1971 Load: 29.2 t ADT: 8,539

I-64 WBL

Good

Over: IND SOUTHERN RAILROAD

03.00 W SR 61, Warrick, IN

Built 1971 Load: 29.2 t ADT: 8,539

ST JOHNS ROAD

Good

Over: TRIBUTARY BLUEGRASS CREE

0.31 MI N SEVEN HILLS, Warrick, IN

Built 1972 Load: 29.2 t ADT: 1,520

PURTLE Ln

Good

Over: HONEY Creek

00.50 W of SR 66, Washington, IN

Built 1990 Load: 29.2 t ADT: 120

I-70 EB

Good

Over: MARTINDALE CREEK

00.51 E SR 1, Wayne, IN

Built 1962 Load: 29.2 t ADT: 20,025

CR 400E

Good

Over: Little DEER Creek

00.34 N of CR 100 N, Carroll, IN

Built 1989 Load: 29.3 t ADT: 75

CLARK RD

Good

Over: HAWKINS CREEK

00.27 N OF OLD 50, Daviess, IN

Built 1967 Load: 29.3 t ADT: 1,801

CR 160 EAST

Good

Over: BRANCH OF HOWE DITCH

0.00 MILES S OF CR 700 S, Jasper, IN

Built 1991 Load: 29.3 t ADT: 112

CR 130E

Good

Over: TURKEY RUN

00.50 N OF CR 400 S, Jennings, IN

Built 2009 Load: 29.3 t ADT: 100

CR 225 EAST

Good

Over: DEEDS CREEK

00.10 S OF CR 100 N, Kosciusko, IN

Built 1975 Load: 29.3 t ADT: 475

CR 300S

Good

Over: KANKAKEE RIVER

01.30 E CR 925 E, LaPorte, IN

Built 1996 Load: 29.3 t ADT: 450

HUBBLE STATION RD

Good

Over: LICK CREEK

0.9 E SR 157, Owen, IN

Built 2013 Load: 29.3 t ADT: 540

ROOSTER HILL RD

Good

Over: DELANEY CREEK

00.50 W of DELANEY PARK R, Washington, IN

Built 1987 Load: 29.3 t ADT: 112

MAIN ST

Good

Over: BR S FORK BLUE RIVER

00.10 S of MAHURON Rd, Washington, IN

Built 1998 Load: 29.3 t ADT: 367

US 52 EB

Good

Over: SUGAR CREEK

01.96 W SR 47, Boone, IN

Built 1941 Load: 29.4 t ADT: 2,460

I-65

Good

Over: PRAIRIE CREEK

01.41 N SR 32, Boone, IN

Built 1948 Load: 29.4 t ADT: 57,066

CR 650N

Good

Over: CANE Creek

00.10 N of CR 625 N, Dubois, IN

Built 2006 Load: 29.4 t ADT: 38

CR 1200S

Good

Over: SUGAR CREEK

01.30 W SR 161, Dubois, IN

Built 2016 Load: 29.4 t ADT: 27

CR 70W

Good

Over: PRAIRIE Creek

00.10 N of Jct SR 32, Fountain, IN

Built 1980 Load: 29.4 t ADT: 120

CR 550 N

Good

Over: SUGAR CREEK

0.2 MI S CR 1100 E, Howard, IN

Built 1989 Load: 29.4 t ADT: 30

COUNTRY CLUB ROAD

Good

Over: PETERSON DITCH

00.60 N OF CR 400 S, Kosciusko, IN

Built 2010 Load: 29.4 t ADT: 300

SR 142

Good

Over: KIVETT BRANCH

04.70 W SR 39, Morgan, IN

Built 1934 Load: 29.4 t ADT: 1,040

CR 100 E

Good

Over: NARROWS DITCH

0.5 MI S DIVISION RD, Newton, IN

Built 1970 Load: 29.4 t ADT: 143

CR 650 E

Good

Over: GUSHWA DITCH

0.5 MI S CR 1000 S, Newton, IN

Built 1965 Load: 29.4 t ADT: 143

SR 59

Good

Over: ALLEN CREEK

07.21 S US 36, Parke, IN

Built 1947 Load: 29.4 t ADT: 1,691

CR 600W

Good

Over: BRANCH OF RACCOON CREEK

00.50 N of CR 600 N, Putnam, IN

Built 1991 Load: 29.4 t ADT: 750

CR 1100S

Good

Over: CHURCH CREEK

00.60 E of CR 900 W, Putnam, IN

Built 2005 Load: 29.4 t ADT: 130

CR 25 EAST

Good

Over: SOUTH FORK LEWIS CREEK

00.80 N OF CR 800 S, Shelby, IN

Built 2004 Load: 29.4 t ADT: 100

WALLACE Ave

Good

Over: NEW THOMPSON DITCH

00.40 E 25TH ST, Vigo, IN

Built 2018 Load: 29.4 t ADT: 2,243

ABINGTON TWP LN RD

Good

Over: BRANCH OF BUTLERS CREEK

00.70 S POTTERSHOP RD, Wayne, IN

Built 1965 Load: 29.4 t ADT: 265

CR 200 SOUTH

Good

Over: BLUE CREEK

0.70 MILES E OF CR 500 E, Adams, IN

Built 2022 Load: 29.5 t ADT: 110

US 24 EB

Good

Over: MARSH (GUSTIN) DITCH

01.01 E SR 101, Allen, IN

Built 2009 Load: 29.5 t ADT: 7,677

US 24 WB

Good

Over: MARSH (GUSTIN) DITCH

01.01 E SR 101, Allen, IN

Built 2009 Load: 29.5 t ADT: 7,487

Showing 11,851-11,900 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.