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%.

Condition Distribution

Indiana40.7%53.7%GoodFairPoor
Bridge inventory deck-condition mix - Indiana (FHWA NBI)

Counties (92)

Adams 191 Allen 601 Bartholomew 263 Benton 147 Blackford 56 Boone 235 Brown 34 Carroll 159 Cass 161 Clark 144 Clay 144 Clinton 205 Crawford 117 Daviess 205 DeKalb 147 Dearborn 139 Decatur 141 Delaware 272 Dubois 214 Elkhart 272 Fayette 98 Floyd 144 Fountain 195 Franklin 158 Fulton 82 Gibson 348 Grant 278 Greene 233 Hamilton 440 Hancock 189 Harrison 124 Hendricks 341 Henry 192 Howard 194 Huntington 183 Jackson 308 Jasper 186 Jay 124 Jefferson 151 Jennings 148 Johnson 213 Knox 282 Kosciusko 145 LaGrange 100 LaPorte 229 Lake 488 Lawrence 158 Madison 297 Marion 964 Marshall 185 Martin 104 Miami 165 Monroe 226 Montgomery 241 Morgan 241 Newton 167 Noble 88 Ohio 41 Orange 133 Owen 143 Parke 195 Perry 146 Pike 164 Porter 280 Posey 205 Pulaski 100 Putnam 284 Randolph 253 Ripley 188 Rush 223 Scott 113 Shelby 243 Spencer 241 St. Joseph 228 Starke 85 Steuben 134 Sullivan 208 Switzerland 62 Tippecanoe 329 Tipton 109 Union 58 Vanderburgh 286 Vermillion 125 Vigo 294 Wabash 189 Warren 136 Warrick 183 Washington 173 Wayne 342 Wells 155 White 214 Whitley 112

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.

MOUNT LIBERTY ROAD

Poor

Over: MOUNT LIBERTY CREEK

00.10 S 4 MILE RD, Brown, IN

Built 1929 Load: 2.7 t ADT: 150

CR 250W

Poor

Over: JONES CREEK

00.70 S of CR 250 N, Putnam, IN

Built 1925 Load: 2.7 t ADT: 180

CR 675W

Poor

Over: BRANCH OF LEATHERMAN CR

00.20 S of CR 125 N, Putnam, IN

Built 1930 Load: 2.7 t ADT: 130

CR 275S

Poor

Over: CONRAIL RR

00.50 E of CR 600 W, Putnam, IN

Built 1910 Load: 2.7 t ADT: 130

SHAPED CHARGE ROAD

Poor

Over: LITTLE OTTER CREEK

1.2 MILES NORTH OF K RD, Ripley, IN

Built 1899 Load: 2.7 t ADT: 2

WONJU ROAD

Poor

Over: TRIBUTARY OF BIG CREEK

0.3 MILE NORTH OF G ROAD, Ripley, IN

Built 1990 Load: 2.7 t ADT: 10

All Bridges in Indiana

GRAY ROAD

Unknown

Over: I-65 SB

02.32 S I-465, Marion, IN

Built 1971 ADT: 52,280

STOP 8 RD/EDGEWOOD

Unknown

Over: I-65 NBL

01.61 S I-465, Marion, IN

Built 1971 ADT: 52,280

THOMPSON ROAD

Unknown

Over: I-65 NBL

00.62 S I-465, Marion, IN

Built 1971 ADT: 52,280

RAMP I65S TO I465E

Unknown

Over: I-465 WB

4.20 S I-70, Marion, IN

Built 2017 ADT: 9,780

RAMP I65N TO I465W

Unknown

Over: I-465 EB

04.25 S I-70, Marion, IN

Built 2017 ADT: 57,985

I-65 NB

Unknown

Over: I-465 EB

4.23 S I-70, Marion, IN

Built 2017 ADT: 58,702

I-65 SBL

Unknown

Over: I465 WB

4.23 S I-70, Marion, IN

Built 2017 ADT: 58,702

HANNA AVENUE

Unknown

Over: I-65 SBL

00.33 N I-465, Marion, IN

Built 1963 ADT: 52,280

I-65 NB

Unknown

Over: KEYSTONE AVENUE SBL

01.15 N I-465, Marion, IN

Built 2020 ADT: 10,694

I-65 SB

Unknown

Over: KEYSTONE AVENUE SB

01.15 N I-465, Marion, IN

Built 2020 ADT: 10,694

I-65 NB

Unknown

Over: TROY AVENUE

01.97 N I-465, Marion, IN

Built 1973 ADT: 18,268

I-65 SB

Unknown

Over: TROY AVENUE

01.97 N I-465, Marion, IN

Built 1973 ADT: 18,268

I-65 NB

Unknown

Over: NELSON ST

01.82 S I-70, Marion, IN

Built 1973 ADT: 994

I-65 SB

Unknown

Over: NELSON ST

01.82 S I-70, Marion, IN

Built 1973 ADT: 994

I-65 NB

Unknown

Over: SOUTHERN AVENUE

01.70 S I-70, Marion, IN

Built 1973 ADT: 2,387

I-65 SB

Unknown

Over: SOUTHERN AVENUE

01.70 S I-70, Marion, IN

Built 1973 ADT: 2,387

I-65 NB

Unknown

Over: BRADBURY AVENUE

01.44 S I-70, Marion, IN

Built 1973 ADT: 2,368

I-65 SB

Unknown

Over: BRADBURY AVENUE

01.44 S I-70, Marion, IN

Built 1973 ADT: 2,368

I-65 NB

Unknown

Over: RAYMOND STREET WB

01.20 S I-70, Marion, IN

Built 1973 ADT: 23,028

I-65 SB

Unknown

Over: RAYMOND STREET WB

01.20 S I-70, Marion, IN

Built 1973 ADT: 23,027

I-65 NB

Unknown

Over: NAOMI STREET

00.87 S I-70, Marion, IN

Built 1973 ADT: 717

I-65 SB

Unknown

Over: NAOMI STREET

00.87 S I-70, Marion, IN

Built 1973 ADT: 717

I-65 NB

Unknown

Over: PLEASANT RUN PARKWAY N.

00.63 S I-70, Marion, IN

Built 1973 ADT: 1,141

I-65 SB

Unknown

Over: PLEASANT RUN PARKWAY N

00.63 S I-70, Marion, IN

Built 1973 ADT: 1,141

I-65 NB

Unknown

Over: SHELBY STREET SB

00.53 S I-70, Marion, IN

Built 1973 ADT: 7,347

I-65 SB

Unknown

Over: SHELBY STREET SB

00.53 S I-70, Marion, IN

Built 1973 ADT: 7,347

MORRIS ST, PROSPEC

Unknown

Over: RAMP I-70 EB TO I-65 SB

00.13 S I-70, Marion, IN

Built 1973 ADT: 19,571

I-65 NB

Unknown

Over: PROSPECT STREET

00.13 S I-70, Marion, IN

Built 1973 ADT: 6,687

I-65 RAMP 7S-W

Unknown

Over: MORRIS STREET

00.13 S I-70, Marion, IN

Built 1973 ADT: 3,918

VIRGINIA AVENUE

Unknown

Over: I-65 NB / I-70 EB

00.18 N I-70, Marion, IN

Built 1973 ADT: 55,480

VIRGINIA AVENUE

Unknown

Over: RAMP '7N-W'

00.18 N I-70, Marion, IN

Built 1973 ADT: 3,842

CALVARY STREET

Unknown

Over: I-65 NB (I-70 EB)

00.29 N I-70, Marion, IN

Built 1973 ADT: 71,394

CALVARY STREET

Unknown

Over: I-65 SB (I-70 WB)

00.29 N I-70, Marion, IN

Built 1973 ADT: 71,394

FLETCHER AVENUE

Unknown

Over: I-65 SBL

00.42 N I-70, Marion, IN

Built 1973 ADT: 54,940

ABANDONED RR

Unknown

Over: I-65 NB

00.61 N I-70, Marion, IN

Built 1973 ADT: 52,275

BATES STREET

Unknown

Over: I-65 SB CD

00.66 N I-70, Marion, IN

Built 1973 ADT: 16,170

CSX RR

Unknown

Over: I-65 SB CD

00.73 N I-70, Marion, IN

Built 1973 ADT: 16,170

CSX RR

Unknown

Over: I-65 SB CD

00.81 N I-70, Marion, IN

Built 1973 ADT: 16,170

I-65

Unknown

Over: ACCESS ROAD

02.95 N I-70, Marion, IN

Built 1972 ADT: 200

I-65 SB

Unknown

Over: I-65 SB ON-RAMP

03.61 N I-70, Marion, IN

Built 1970 ADT: 11,030

I-65 SB

Unknown

Over: I-65 NB ON-RAMP

03.61 N I-70, Marion, IN

Built 1970 ADT: 10,260

I-65 NB

Unknown

Over: WEST ST ON RAMP

03.65 N I-70, Marion, IN

Built 1970 ADT: 10,260

I-65

Unknown

Over: 16TH STREET

03.69 N I-70, Marion, IN

Built 1969 ADT: 23,072

I-65

Unknown

Over: 21ST STREET

04.16 N of I-70, Marion, IN

Built 1968 ADT: 15,368

I-65

Unknown

Over: FALL CREEK PKWY N. DR

04.33 N I-70, Marion, IN

Built 1968 ADT: 118

I-65 OFF RAMP

Unknown

Over: FALL CREEK PRKWY N. DR

04.33 N I-70, Marion, IN

Built 1968 ADT: 7,973

I-65

Unknown

Over: 26TH STREET

04.78 N I-70, Marion, IN

Built 1968 ADT: 118

I-65

Unknown

Over: 29TH STREET

05.09 N I-70, Marion, IN

Built 1968 ADT: 14,921

I-65

Unknown

Over: 30TH STREET WB

05.22 N I-70, Marion, IN

Built 1968 ADT: 17,074

I-65

Unknown

Over: DR MLK JR DR SB

05.69 N I-70, Marion, IN

Built 1968 ADT: 25,966

Showing 1,101-1,150 of 18,630 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.