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

DEVANEY RD

Good

Over: LITTLE CICERO CREEK

00.86 S OF 296TH ST, Hamilton, IN

Built 1972 Load: 35.5 t ADT: 440

BUDDHA BYPASS

Good

Over: EAST FORK WHITE RIVER

01.93 S OF TUNNELTON RD, Lawrence, IN

Built 1996 Load: 35.5 t ADT: 785

HENDERSON CREEK RD

Good

Over: LITTLE SALT CREEK

00.11 E OF SR 446, Lawrence, IN

Built 2010 Load: 35.5 t ADT: 198

INDIAN SPRINGS RD

Good

Over: SULPHUR CREEK

0.56 N OF BEAR HILL ROAD, Martin, IN

Built 2017 Load: 35.5 t ADT: 34

E CR 150 NORTH

Good

Over: STAMPERS CREEK

0.49 E OF 500 E, Orange, IN

Built 2016 Load: 35.5 t ADT: 50

I-64 WBL

Good

Over: ANDERSON RIVER

00.30 W SR 145, Perry, IN

Built 1973 Load: 35.5 t ADT: 6,993

CR 500W

Good

Over: MYERS DITCH

00.31 S CR 900 S, White, IN

Built 1995 Load: 35.5 t ADT: 100

CR 600N

Good

Over: TOUGH CREEK

00.12 W OF CR 350 E, Bartholomew, IN

Built 2009 Load: 35.6 t ADT: 2,460

POWELL DRIVE

Good

Over: ETTER DITCH

0.34 S OF WHITESTOWN PKWY, Boone, IN

Built 2022 Load: 35.6 t ADT: 100

Templin Rd

Good

Over: Little Eagle Creek

00.30 W OF US 421, Boone, IN

Built 2022 Load: 35.6 t ADT: 1,300

SR 46

Good

Over: GREEN VALLEY CREEK

01.05 W SR 135, Brown, IN

Built 1998 Load: 35.6 t ADT: 7,185

SR 265 EB

Good

Over: LENTZIER CREEK TRIBUTARY

2.40 E SR-62, Clark, IN

Built 2016 Load: 35.6 t ADT: 12,700

I-69 NB

Good

Over: FIRST CREEK OVERFLOW

03.76 S US 231, Daviess, IN

Built 2012 Load: 35.6 t ADT: 6,838

I-69 SB

Good

Over: FIRST CREEK OVERFLOW

03.76 S US 231, Daviess, IN

Built 2012 Load: 35.6 t ADT: 6,838

SR 46

Good

Over: FALL FORK CLIFTY CREEK

03.42 W SR 3, Decatur, IN

Built 1984 Load: 35.6 t ADT: 4,950

SR 8

Good

Over: SOL SHANK DITCH

00.62 E SR 101, DeKalb, IN

Built 1993 Load: 35.6 t ADT: 2,094

CR 775E

Good

Over: LITTLE STONEY CREEK

00.40 S of CR 700 S, Delaware, IN

Built 1970 Load: 35.6 t ADT: 40

CR 650S

Good

Over: RICHLAND Creek

00.70 E of CR 500 E, Dubois, IN

Built 1987 Load: 35.6 t ADT: 43

CR 131

Good

Over: LITTLE ELKHART RIVER

00.20 N CR 8, Elkhart, IN

Built 1982 Load: 35.6 t ADT: 733

CR 4

Good

Over: CHRISTIANA CREEK

00.10 E CR 7, Elkhart, IN

Built 2015 Load: 35.6 t ADT: 9,089

BETHEL-FREIBERGER

Good

Over: BIG INDIAN Creek

00.60 E of StARLIGHT Rd, Floyd, IN

Built 1997 Load: 35.6 t ADT: 421

N FOSTER RD

Good

Over: NORTH FORK OF COAL CREEK

00.20 S of AYLESWORTH RD, Fountain, IN

Built 2009 Load: 35.6 t ADT: 100

KINGS MINE ROAD

Good

Over: TOYOTA RAILROAD SPUR

03.60 S SR 64, Gibson, IN

Built 2003 Load: 35.6 t ADT: 1,482

CR 800 S

Good

Over: W FORK PIGEON CREEK

00.70 W OF US 41, Gibson, IN

Built 2014 Load: 35.6 t ADT: 1,990

256TH ST EAST

Good

Over: DUCK CREEK

00.08 W OF CORNELL RD, Hamilton, IN

Built 1994 Load: 35.6 t ADT: 590

W MAIN ST

Good

Over: WILLIAMS CREEK

00.20 W OF SPRINGMILL RD, Hamilton, IN

Built 2008 Load: 35.6 t ADT: 11,050

MERIDIAN ROAD

Good

Over: MARY WEBER DITCH

00.07 S OF CR 200 S, Hancock, IN

Built 2008 Load: 35.6 t ADT: 1,320

CR 200S

Good

Over: MARY WEBER DITCH

00.04 W OF S MERIDIAN RD, Hancock, IN

Built 2008 Load: 35.6 t ADT: 710

CR 600 WEST

Good

Over: LITTLE MAJENICA CREEK

0.01 MI N OF CR 300 S, Huntington, IN

Built 1996 Load: 35.6 t ADT: 241

US 31

Good

Over: QUADE DITCH

06.36 N US 50, Jackson, IN

Built 2016 Load: 35.6 t ADT: 5,708

DIVISION ROAD

Good

Over: SALAMONIE RIVER

0.7 MILES WEST OF SR 26, Jay, IN

Built 1998 Load: 35.6 t ADT: 74

BLUFFDALE DRIVE

Good

Over: HONEY CREEK

0.23 N OF KNIGHT DRIVE, Johnson, IN

Built 2022 Load: 35.6 t ADT: 890

US 50 WB

Good

Over: BRANCH KESSINGER DITCH

02.18 W SR 550, Knox, IN

Built 1999 Load: 35.6 t ADT: 4,059

SR 550

Good

Over: OPOSSUM BRANCH

01.05 W US 50, Knox, IN

Built 1923 Load: 35.6 t ADT: 1,390

CR 300 NORTH

Good

Over: DANNER DITCH

00.10 N OF US 30, Kosciusko, IN

Built 1984 Load: 35.6 t ADT: 175

CR 915 WEST

Good

Over: BRANCH LAKE SHIPSHEWANA

00.02 N OF CR 270N, LaGrange, IN

Built 2007 Load: 35.6 t ADT: 75

US 41 SB

Good

Over: SINGLETON DITCH

03.23 S SR 2, Lake, IN

Built 1954 Load: 35.6 t ADT: 5,015

I-90 WB

Good

Over: GRAND CALUMET RIVER

00.72 E US 12, Lake, IN

Built 2011 Load: 35.6 t ADT: 17,255

WILLIAMSILVERVILLE

Good

Over: INDIAN CREEK

00.03 S OF KEITH ROAD, Lawrence, IN

Built 2020 Load: 35.6 t ADT: 221

I-70 EB

Good

Over: CSX RR SPUR

03.03 E I-465, Marion, IN

Built 1967 Load: 35.6 t ADT: 43,200

I-65 NB, NBL RAMP

Good

Over: CENTRAL AVENUE

02.52 N I-70, Marion, IN

Built 2023 Load: 35.6 t ADT: 51,774

I-70 EB

Good

Over: EAST 10TH STREET

00.52 E I-65, Marion, IN

Built 2022 Load: 35.6 t ADT: 100,568

BANTA RD

Good

Over: DERBYSHIRE CREEK

00.55 E OF MADISON AVE, Marion, IN

Built 2022 Load: 35.6 t ADT: 4,135

PAW PAW PARK

Good

Over: PAW PAW CREEK

0.30 S OF CR 800 N, Miami, IN

Built 1997 Load: 35.6 t ADT: 100

BAYLES ROAD

Good

Over: GRIFFY CREEK

0.10 MI. W WALNUT STREET, Monroe, IN

Built 2023 Load: 35.6 t ADT: 530

SR 234

Good

Over: SUGAR CREEK

06.26 E SR 341, Montgomery, IN

Built 1968 Load: 35.6 t ADT: 210

SR 37 NB

Good

Over: STOTTS CREEK

06.04 N SR 44, Morgan, IN

Built 2022 Load: 35.6 t ADT: 20,502

SR 37 SB

Good

Over: STOTTS CREEK

06.04 N SR 44, Morgan, IN

Built 2022 Load: 35.6 t ADT: 19,698

CR 150W

Good

Over: MCCRACKEN CREEK

00.06 N OF W GREENCASTLE, Morgan, IN

Built 2005 Load: 35.6 t ADT: 100

CR 575 E

Good

Over: MOSQUITO CREEK

0.1 MI N SR 16, Newton, IN

Built 2015 Load: 35.6 t ADT: 143

Showing 14,501-14,550 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.