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

RILEY Rd

Good

Over: PINE Creek

00.50 W of WALNUT Rd, St. Joseph, IN

Built 1993 Load: 35.9 t ADT: 18

CR 650N

Good

Over: TURKEY CREEK

00.20 E OF SR 213, Tipton, IN

Built 2000 Load: 35.9 t ADT: 100

BOONVL NEW HARMONY

Good

Over: SCHLENSKER DITCH

00.10 E OF GREEN RIVER RD, Vanderburgh, IN

Built 1989 Load: 35.9 t ADT: 5,230

GERMANTOWN RD

Good

Over: FRANKLIN CREEK

00.40 W of PENNVILLE Rd, Wayne, IN

Built 1971 Load: 35.9 t ADT: 64

CR 500 WEST

Good

Over: WABASH RIVER

0.30 MILES N OF CR 700 S, Adams, IN

Built 1967 Load: 36.0 t ADT: 1,010

CR 400 EAST

Good

Over: SOUTH FORK WILDCAT CREEK

0.10 S OF CR 300 N, Clinton, IN

Built 1985 Load: 36.0 t ADT: 204

CR 575 WEST

Good

Over: S FORK OF WILDCAT CREEK

0.40 N OF CR 200 N, Clinton, IN

Built 2016 Load: 36.0 t ADT: 186

WHISKEY RUN RANCH

Good

Over: SLICK RUN

1.00 S OF STONECIPHER, Crawford, IN

Built 2020 Load: 36.0 t ADT: 141

CR 1100E

Good

Over: BRANCH OF FIRST CREEK

00.01 N of CR 1450 N, Daviess, IN

Built 1996 Load: 36.0 t ADT: 255

SR 3

Good

Over: MUDDY FORK SAND CREEK

00.46 N SR 46, Decatur, IN

Built 1982 Load: 36.0 t ADT: 4,970

RIVER VALLEY ROAD

Good

Over: YORK PRAIRIE CREEK

00.05 E of CR 725, Delaware, IN

Built 1983 Load: 36.0 t ADT: 920

SR 168

Good

Over: TOOPS DITCH

01.35 W US 41, Gibson, IN

Built 1981 Load: 36.0 t ADT: 4,293

CR S 900 W

Good

Over: PRAIRE RUN

0.08 mi N of CR 700 S, Grant, IN

Built 2021 Load: 36.0 t ADT: 630

SR 445

Good

Over: INDIAN CREEK

01.14 W JCT SR 45/445, Greene, IN

Built 2015 Load: 36.0 t ADT: 5,550

RANGELINE RD

Good

Over: LITTLE COOL CREEK

00.15 N OF 136TH ST, Hamilton, IN

Built 2008 Load: 36.0 t ADT: 15,490

LOWES WAY

Good

Over: COOL CREEK, PATH

0.17 NE. RANGELINE ROAD, Hamilton, IN

Built 2020 Load: 36.0 t ADT: 5,640

SR 335

Good

Over: INDIAN CREEK

00.38 S SR 64, Harrison, IN

Built 1998 Load: 36.0 t ADT: 1,073

US 136

Good

Over: WEST FK BIG WALNUT CREEK

00.67 E SR 75, Hendricks, IN

Built 2002 Load: 36.0 t ADT: 5,703

CR 700S

Good

Over: BRANCH OF MILL CREEK

00.30 E OF MASTEN RD, Hendricks, IN

Built 2000 Load: 36.0 t ADT: 150

CR 475W

Good

Over: MILL CREEK

00.20 S CR 400 S, Hendricks, IN

Built 2014 Load: 36.0 t ADT: 775

I-65 NB

Good

Over: CONRAIL RR

00.41 N SR 11, Jackson, IN

Built 1960 Load: 36.0 t ADT: 20,158

I-65 SB

Good

Over: CONRAIL RR

00.41 N SR 11, Jackson, IN

Built 1960 Load: 36.0 t ADT: 19,999

SR 58

Good

Over: BUCK CREEK

04.32 E SR 258, Jackson, IN

Built 2017 Load: 36.0 t ADT: 860

CR 100E

Good

Over: White Creek

00.21 N of CR 600 N, Jackson, IN

Built 1981 Load: 36.0 t ADT: 200

US 231

Good

Over: BARNARD DITCH

03.08 N SR 10, Jasper, IN

Built 1961 Load: 36.0 t ADT: 8,080

I-65 SB

Good

Over: CARPENTER CREEK

00.86 N SR 16, Jasper, IN

Built 1966 Load: 36.0 t ADT: 12,481

SR 7

Good

Over: SIX MILE CREEK

02.95 N SR 3, Jennings, IN

Built 1999 Load: 36.0 t ADT: 12,201

US 50 EB

Good

Over: BRANCH KESSINGER DITCH

02.18 W SR 550, Knox, IN

Built 1999 Load: 36.0 t ADT: 4,138

SR 2

Good

Over: PEARLE CREEK

00.88 E I-65, Lake, IN

Built 2006 Load: 36.0 t ADT: 7,940

I-94 EB

Good

Over: EAST BR TRAIL CREEK

00.41 E US 20, LaPorte, IN

Built 1969 Load: 36.0 t ADT: 18,181

I-94 WB

Good

Over: EAST BR TRAIL CREEK

00.41 E US 20, LaPorte, IN

Built 1969 Load: 36.0 t ADT: 37,476

I-69 NB

Good

Over: FOSTERS BRANCH

01.52 S SR 38, Madison, IN

Built 1966 Load: 36.0 t ADT: 30,223

I-69 SB

Good

Over: FOSTERS BRANCH

01.52 S SR 38, Madison, IN

Built 1966 Load: 36.0 t ADT: 30,223

I-65 SB & CD

Good

Over: VERMONT STREET

01.29 N I-70, Marion, IN

Built 2023 Load: 36.0 t ADT: 72,718

US 31 NB

Good

Over: BAKER DITCH

03.05 S US 6, Marshall, IN

Built 2013 Load: 36.0 t ADT: 9,744

I-69 SB

Good

Over: INDIAN CREEK

1.70 N SR 445, Monroe, IN

Built 2015 Load: 36.0 t ADT: 12,818

I-74 WB

Good

Over: EAST FORK COAL CREEK

01.68 E SR 25, Montgomery, IN

Built 1963 Load: 36.0 t ADT: 8,350

CR 475 EAST

Good

Over: PATOKA RIVER

1.00 N OF CR 600 S, Orange, IN

Built 1990 Load: 36.0 t ADT: 267

KELLY ROAD

Good

Over: LENNING BRANCH

00.59 N OF CR 300S, Owen, IN

Built 2022 Load: 36.0 t ADT: 540

I-69 SB

Good

Over: UNT PRIDES CREEK

01.26 S SR 61, Pike, IN

Built 2011 Load: 36.0 t ADT: 9,297

CR 900S

Good

Over: BREYFOGEL DITCH

00.70 E CR 400 W, Porter, IN

Built 2014 Load: 36.0 t ADT: 350

SR 129

Good

Over: RIPLEY CREEK

01.06 N SR 48, Ripley, IN

Built 1975 Load: 36.0 t ADT: 5,763

CR 715W

Good

Over: MUD CREEK

00.40 N OF CR 100 S, Rush, IN

Built 2018 Load: 36.0 t ADT: 590

SR 356

Good

Over: WOODS FORK CREEK

03.13 E SR 203, Scott, IN

Built 2016 Load: 36.0 t ADT: 470

CR 350N

Good

Over: LITTLE BLUE RIVER

00.25 E OF CR375 E, Shelby, IN

Built 2023 Load: 36.0 t ADT: 150

CR 1825N

Good

Over: CROOKED CREEK

00.42 E of SR 162, Spencer, IN

Built 2023 Load: 36.0 t ADT: 80

US 31 NB

Good

Over: HESTON DITCH

03.92 N US 6, St. Joseph, IN

Built 2014 Load: 36.0 t ADT: 8,307

US 31 SB

Good

Over: HESTON DITCH

03.92 N US 6, St. Joseph, IN

Built 2014 Load: 36.0 t ADT: 13,079

CLEVELAND ROAD

Good

Over: JUDAY CREEK

00.20 W SR 933, St. Joseph, IN

Built 1970 Load: 36.0 t ADT: 18,710

SR 1

Good

Over: CHARD DITCH

01.20 N SR 427, Steuben, IN

Built 2014 Load: 36.0 t ADT: 1,115

Showing 14,601-14,650 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.