State profile · Below median Poor share

Indiana bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Indiana, based on the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Indiana on the same metric.

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

WY

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Indiana

SR 145

Good

Over: MAGGITY BRANCH

03.42 S SR62, Perry, IN

Built 2002 Load: 32.7 t ADT: 660

CR 10

Good

Over: Miller Branch of Deer Ck

00.20 N of CR 270(Thistle, Perry, IN

Built 1984 Load: 32.7 t ADT: 110

CR 10

Good

Over: Murmer Creek

00.20 N of CR 81(Thunder), Perry, IN

Built 1984 Load: 32.7 t ADT: 115

CR 10

Good

Over: Poison Creek

00.30 E of CR 7(Urban), Perry, IN

Built 1984 Load: 32.7 t ADT: 150

CR 34

Good

Over: Oil Creek

00.60 N of CR 26, Perry, IN

Built 1974 Load: 32.7 t ADT: 275

CR 34

Good

Over: Branch of Oil Creek

00.10 N of CR 26, Perry, IN

Built 1990 Load: 32.7 t ADT: 260

CR 154

Good

Over: Br Middle Fk Anderson Rv

00.20 W of SR 145, Perry, IN

Built 1996 Load: 32.7 t ADT: 350

CR 20

Good

Over: Branch of Sulphur Fork

00.70 W of CR 18, Perry, IN

Built 1996 Load: 32.7 t ADT: 100

TELL ST

Good

Over: WINDY CREEK

00.10 W 21ST ST, Perry, IN

Built 1978 Load: 32.7 t ADT: 1,775

19th St

Good

Over: Windy Creek

00.10 N of Pestalozzi, Perry, IN

Built 1977 Load: 32.7 t ADT: 750

SR 56

Good

Over: MILE CREEK

01.06 W SR 257, Pike, IN

Built 1998 Load: 32.7 t ADT: 3,248

CR 775W

Good

Over: CONGER CREEK

00.44 S CR 675 N, Pike, IN

Built 1982 Load: 32.7 t ADT: 61

CR 900W

Good

Over: BRANCH HARBIN CREEK

00.85 S SR 56, Pike, IN

Built 1983 Load: 32.7 t ADT: 114

CR 850W

Good

Over: BRANCH HARBIN CREEK

00.55 S SR 56, Pike, IN

Built 1997 Load: 32.7 t ADT: 25

CR 350N

Good

Over: LITTLE CONGER CREEK

00.57 E SR 65, Pike, IN

Built 1984 Load: 32.7 t ADT: 67

CR 300N

Good

Over: LITTLE CONGER CREEK

00.74 E SR 65, Pike, IN

Built 1985 Load: 32.7 t ADT: 139

CR 300N

Good

Over: BRANCH LITTLE CONGER CR

00.28 W CR 525 W, Pike, IN

Built 1985 Load: 32.7 t ADT: 115

CR 500W

Good

Over: CONGER CREEK

00.68 S SR 56, Pike, IN

Built 1983 Load: 32.7 t ADT: 19

CR 125S

Good

Over: ROBINSON CREEK

00.43 W CR 375 W, Pike, IN

Built 1981 Load: 32.7 t ADT: 402

CR 720N

Good

Over: MUD CREEK

00.53 E SR 57, Pike, IN

Built 1989 Load: 32.7 t ADT: 173

CR 425E

Good

Over: BRANCH MUD CREEK

00.01 S CR 750 N, Pike, IN

Built 1981 Load: 32.7 t ADT: 39

CR 500E

Good

Over: FLAT CREEK

00.09 N CR 175 N, Pike, IN

Built 1982 Load: 32.7 t ADT: 169

CR 500E

Good

Over: FLAT CREEK

00.16 N SR 56, Pike, IN

Built 1981 Load: 32.7 t ADT: 163

CR 250N

Good

Over: FLAT CREEK

00.36 W CR 825 E, Pike, IN

Built 1985 Load: 32.7 t ADT: 188

CR 700E

Good

Over: FLAT CREEK

00.85 S SR 356, Pike, IN

Built 1985 Load: 32.7 t ADT: 52

CR 900E

Good

Over: FLAT CREEK

00.27 S CR 50 S, Pike, IN

Built 1984 Load: 32.7 t ADT: 89

DIVISION RD

Good

Over: FLAT CREEK

00.06 E CR 125 W, Pike, IN

Built 1970 Load: 32.7 t ADT: 108

CR 1200S

Good

Over: ROUGH CREEK

00.09 E CR 150 E, Pike, IN

Built 1982 Load: 32.7 t ADT: 21

CR 1200S

Good

Over: S FORK PATOKA RIVER

00.45 W CR 500 E, Pike, IN

Built 1970 Load: 32.7 t ADT: 24

CR 950S

Good

Over: TRIB S FK PATOKA RIVER

00.38 E CR 400 E, Pike, IN

Built 1982 Load: 32.7 t ADT: 24

CR 725S

Good

Over: ROCK CREEK

00.30 E CR 1000 E, Pike, IN

Built 1995 Load: 32.7 t ADT: 35

CR 1100E

Good

Over: SULPHUR SPRINGS

00.25 S CR 250 S, Pike, IN

Built 1994 Load: 32.7 t ADT: 82

CR 475N

Good

Over: BR MUD CREEK

00.41 W CR 500 E, Pike, IN

Built 1984 Load: 32.7 t ADT: 26

CR 50E

Good

Over: HAT CREEK

00.25 N CR 775 S, Pike, IN

Built 1982 Load: 32.7 t ADT: 53

CR 100S

Good

Over: BRANCH BIG CREEK

00.25 E CR 700 W, Pike, IN

Built 1981 Load: 32.7 t ADT: 355

CR 1100E

Good

Over: LITTLE FLAT CREEK

00.06 S CR 200 N, Pike, IN

Built 1984 Load: 32.7 t ADT: 17

CR 1100E

Good

Over: BRANCH SULPHUR SPRING

00.55 N CR 400 S, Pike, IN

Built 1984 Load: 32.7 t ADT: 82

SR 2

Good

Over: SALT CREEK

00.78 W US 30, Porter, IN

Built 1993 Load: 32.7 t ADT: 9,324

SR 49, RAMPS

Good

Over: UNT W BR CROOKED CR

01.94 N SR 2, Porter, IN

Built 1987 Load: 32.7 t ADT: 27,740

US 30

Good

Over: GREIGER DITCH

2.56 W US 421, Porter, IN

Built 2014 Load: 32.7 t ADT: 17,516

CR 400S

Good

Over: CROOKED CREEK

00.90 E CR 450 E, Porter, IN

Built 1930 Load: 32.7 t ADT: 270

CR 500E

Good

Over: KANKAKEE RIVER

00.60 S CR 1400 S, Porter, IN

Built 1966 Load: 32.7 t ADT: 380

CR 875N

Good

Over: SQUIRREL CREEK

00.20 E CR 400 W, Porter, IN

Built 2001 Load: 32.7 t ADT: 1,170

WAGNER ROAD

Good

Over: LITTLE CALUMET RIVER

00.40 S US 20, Porter, IN

Built 1968 Load: 32.7 t ADT: 1,680

SHOREWOOD DRIVE

Good

Over: LAKE LOUISE

00.60 S JCT US 30, Porter, IN

Built 1974 Load: 32.7 t ADT: 2,160

CR 475W

Good

Over: CONRAIL, NY/ST LOUIS RR

00.10 S JCT SR 130, Porter, IN

Built 2000 Load: 32.7 t ADT: 8,260

CR 600N

Good

Over: CSX RAILROAD

00.10 W CR 500 E, Porter, IN

Built 1996 Load: 32.7 t ADT: 1,480

CRISMAN ROAD

Good

Over: CSX RAILROAD

00.10 NE PORTAGE AVENUE, Porter, IN

Built 1987 Load: 32.7 t ADT: 1,910

OLD FAITHFUL DRIVE

Good

Over: CORNELL DITCH

00.20 W CR 600W, Porter, IN

Built 2001 Load: 32.7 t ADT: 300

MEADOWBROOK DRIVE

Good

Over: GARDEN TERRACE DITCH

00.20 N 400 NORTH, Porter, IN

Built 2001 Load: 32.7 t ADT: 390

Showing 13,451-13,500 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.