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 250 E

Good

Over: UNT EAGAN DITCH

02.50 N US 50, Daviess, IN

Built 2012 Load: 43.7 t ADT: 399

CR 35

Good

Over: CEDAR CREEK

00.30 N OF US 6, DeKalb, IN

Built 2019 Load: 43.7 t ADT: 625

OLD ROAD

Good

Over: LITTLE BUCK CREEK

00.15 S of CR 775 S, Delaware, IN

Built 2006 Load: 43.7 t ADT: 210

CR 43

Good

Over: SOLOMON CREEK

00.50 S OF US 6, Elkhart, IN

Built 2019 Load: 43.7 t ADT: 1,820

BREHM RD

Good

Over: DUCK CREEK

00.40 S OF 246TH ST, Hamilton, IN

Built 1988 Load: 43.7 t ADT: 90

MILL CREEK ROAD

Good

Over: SLY RUN

00.01 S SR 38, Hamilton, IN

Built 2010 Load: 43.7 t ADT: 890

KINGS LN

Good

Over: NO NAME CREEK

00.10 S OF APPLE LN, Harrison, IN

Built 1991 Load: 43.7 t ADT: 430

RONALD REAGAN PKWY

Good

Over: CSX RAILROAD

00.21 N OF CR 400N, Hendricks, IN

Built 2018 Load: 43.7 t ADT: 22,100

CR 400E

Good

Over: KEENEY DITCH

00.20 S CR 850 N, Hendricks, IN

Built 2015 Load: 43.7 t ADT: 250

CR 400N

Good

Over: FRANKS DRAIN

0.3 MILES WEST OF CR 700, Jay, IN

Built 1961 Load: 43.7 t ADT: 138

SR 37 NBL

Good

Over: BLUFF CREEK

00.03 S SR 144, Johnson, IN

Built 1959 Load: 43.7 t ADT: 12,080

MOUNT ZION ROAD

Good

Over: DESHEE RIVER

00.92 N OF STATE ROAD 61, Knox, IN

Built 2017 Load: 43.7 t ADT: 130

I-465 SB

Good

Over: BIG EAGLE CREEK

02.45 N US 36, Marion, IN

Built 2012 Load: 43.7 t ADT: 75,150

I-65 SB / RAMP

Good

Over: MICHIGAN STREET

01.39 N I-70, Marion, IN

Built 2023 Load: 43.7 t ADT: 72,718

ACTON RD

Good

Over: WILDCAT BROOK

00.40 S I-74, Marion, IN

Built 1989 Load: 43.7 t ADT: 6,544

US 231

Good

Over: FRIENDS CREEK

02.40 S US 50, Martin, IN

Built 2013 Load: 43.7 t ADT: 5,519

CR 80N

Good

Over: BLACK CREEK

00.10 E of CR 300 W, Montgomery, IN

Built 1998 Load: 43.7 t ADT: 200

CR 1400 S

Good

Over: HUNTER DITCH

0.4 MI E SR 55, Newton, IN

Built 1976 Load: 43.7 t ADT: 143

SR 25 SB

Good

Over: SUGAR CREEK

08.10 N I-65, Tippecanoe, IN

Built 2013 Load: 43.7 t ADT: 12,479

CR 950E

Good

Over: Burkhalter Ditch

00.30 S of SR 38, Tippecanoe, IN

Built 2008 Load: 43.7 t ADT: 135

CR 900N

Good

Over: Brown Ditch

00.48 E MERIDIAN LINE RD., Tippecanoe, IN

Built 2019 Load: 43.7 t ADT: 187

CR 350S

Good

Over: REDWOOD CREEK

00.42 W of CR 450 W, Warren, IN

Built 2014 Load: 43.7 t ADT: 70

CR 500E

Good

Over: HINEN DRAIN

00.30 N CR 900 S, Whitley, IN

Built 2002 Load: 43.7 t ADT: 100

CR 1100W

Good

Over: ROBERT CHRISTY DITCH

00.20 S CR 500 S, Tipton, IN

Built 2018 Load: 43.8 t ADT: 150

CR 700 SOUTH

Good

Over: ROCK CREEK

00.30 E OF CR 200 E, Wells, IN

Built 2019 Load: 43.8 t ADT: 200

CR 800 EAST

Good

Over: SHOEMAKER DITCH

00.20 N OF CR 900 S, Wells, IN

Built 2023 Load: 43.8 t ADT: 100

CR 100N

Good

Over: DILLY CREEK

00.15 W OF 800 E, Hancock, IN

Built 2007 Load: 43.9 t ADT: 140

E WORTHSVILLE ROAD

Good

Over: GRASSY CREEK

0.25 E OF US 31, Johnson, IN

Built 2016 Load: 43.9 t ADT: 18,590

COLFAX STREET

Good

Over: LITTLE CALUMET RIVER

00.90 N. of RIDGE RD, Lake, IN

Built 2000 Load: 43.9 t ADT: 3,155

Oriole St

Good

Over: N BR OTTER CREEK

00.20 S KYLE AVE, Vigo, IN

Built 1988 Load: 43.9 t ADT: 188

CR 750 SOUTH

Good

Over: BERGER DITCH

0.20 MILES W OF CR 700 E, Adams, IN

Built 1996 Load: 44.0 t ADT: 110

THOMPSON RD

Good

Over: CHICKEN RUN CREEK

00.15 S of CHICKEN RUN RD, Jefferson, IN

Built 1979 Load: 44.0 t ADT: 275

SR 257

Good

Over: EAST FORK WHITE RIVER

05.30 N SR 356, Pike, IN

Built 1980 Load: 44.0 t ADT: 2,877

COOK Rd

Good

Over: CLEAR CREEK

00.50 E MCCULOUGH, Vigo, IN

Built 2018 Load: 44.0 t ADT: 188

MERIDIAN ROAD

Good

Over: SHULL DRAIN

00.40 N SR 114, Whitley, IN

Built 2000 Load: 44.0 t ADT: 125

COVERDALE RD

Good

Over: SUTER DRAIN

00.02 N OF WINTERS WAY, Allen, IN

Built 2014 Load: 44.1 t ADT: 1,431

CR 100N

Good

Over: CROOKED CREEK

00.30 W OF CR 625 W, Cass, IN

Built 1992 Load: 44.1 t ADT: 140

CR 200E

Good

Over: LITTLE ROCK CREEK

00.25 N OF CR 550 S, Cass, IN

Built 1997 Load: 44.1 t ADT: 880

CR 400E

Good

Over: DEER CREEK-N CHANNEL

00.40 S ON CR 1100 S, Cass, IN

Built 1989 Load: 44.1 t ADT: 160

LINCOLN PIKE

Good

Over: DEER CREEK

00.30 N OF CR 1150 S, Cass, IN

Built 1995 Load: 44.1 t ADT: 130

I-69 NB

Good

Over: N OVERFLOW WHITE RIVER

06.41 S SR 257, Daviess, IN

Built 2017 Load: 44.1 t ADT: 8,935

I-69 SB

Good

Over: N OVERFLOW WHITE RIVER

06.41 S SR 257, Daviess, IN

Built 2012 Load: 44.1 t ADT: 8,935

I-69 RAMP SWR

Good

Over: UNT HURRICANE BRANCH CR

00.04 S US 50, Daviess, IN

Built 2012 Load: 44.1 t ADT: 1,595

I-69

Good

Over: TRIBUTARY WEAVER DITCH

04.31 N SR 58, Daviess, IN

Built 2011 Load: 44.1 t ADT: 13,675

I-74 RAMP

Good

Over: INDIANA & OHIO RR

05.32 E SR 1, Dearborn, IN

Built 1961 Load: 44.1 t ADT: 3,968

SANGAMAW RD

Good

Over: HAYES BRANCH

00.40 W SR 62, Dearborn, IN

Built 2015 Load: 44.1 t ADT: 470

CR 62

Good

Over: WETLANDS AREA

00.28 W OF CR 29, DeKalb, IN

Built 2021 Load: 44.1 t ADT: 125

SR 19

Good

Over: CHRISTIANA CREEK

02.43 S I-90, Elkhart, IN

Built 1988 Load: 44.1 t ADT: 20,786

PEPPERMILL LN

Good

Over: PEPPERMILL POND

00.12 S OF 116TH ST, Hamilton, IN

Built 1995 Load: 44.1 t ADT: 370

CR 600N

Good

Over: SUGAR CREEK

00.36 E OF 50 W, Hancock, IN

Built 1989 Load: 44.1 t ADT: 1,960

Showing 16,201-16,250 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.