State profile · Below median Poor share

Indiana bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Indiana.

19,495
Public bridges
42.2%
Good condition
5.2%
Poor condition

Indiana holds 19,495 public highway bridges (#11 of 52 by inventory) with a 5.22% Poor share (#32 of 52 by Poor share).

That is 5.2% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 21 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

19,495

Public highway bridges in Indiana

Good Condition

42.2%

8,224 bridges rated 7-9

-7.8pp vs 50% benchmark

Poor Condition

5.2%

1,018 bridges whose lowest applicable component is rated 0-4

-2.3pp vs national avg 7.5%

Indiana vs national bridge condition

Indiana - Good condition share 42.2%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Indiana - Poor-condition share 17.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

Indiana in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: Indiana has 19,495 bridges and a 5.2% Poor-condition share in the 2024 NBI, rank #21 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%
Inventory size and Poor-condition share are different measures: Indiana has 19,495 bridges and a 5.2% Poor-condition share in the 2024 NBI, rank #21 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

Indiana vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

19,495 11th of 54 higher than 43 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for Indiana

The highlighted point is Indiana: 19,495 bridges and 5.22% in Poor condition, rank #21 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Indiana on that same Poor-share ordering:

  • Colorado: 8,965 bridges · 4.82% Poor
  • Idaho: 4,616 bridges · 4.90% Poor
  • Indiana: 19,495 bridges · 5.22% Poor
  • Kansas: 24,894 bridges · 5.26% Poor
  • Arkansas: 12,974 bridges · 5.43% Poor

The full national sortable table lives on the rankings page.

Material families in Indiana

Exclusive FHWA material families across all 19,495 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains Indiana’s inventory

State agency holds 31.6% of the 19,495 public highway bridges filed under Indiana in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When Indiana’s bridges were built

Pre-1950 construction accounts for 13.0% of the 19,495 bridges with a recorded original year in Indiana. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

Indiana42.2%52.6%GoodFairPoor
Bridge inventory deck-condition mix - Indiana (FHWA NBI)

Counties (92)

Adams 194 Allen 613 Bartholomew 269 Benton 151 Blackford 73 Boone 293 Brown 114 Carroll 161 Cass 185 Clark 257 Clay 185 Clinton 210 Crawford 123 Daviess 221 DeKalb 149 Dearborn 145 Decatur 220 Delaware 277 Dubois 220 Elkhart 278 Fayette 100 Floyd 145 Fountain 197 Franklin 159 Fulton 85 Gibson 362 Grant 280 Greene 239 Hamilton 454 Hancock 201 Harrison 127 Hendricks 355 Henry 206 Howard 194 Huntington 187 Jackson 321 Jasper 189 Jay 191 Jefferson 153 Jennings 163 Johnson 230 Knox 290 Kosciusko 152 LaGrange 100 LaPorte 227 Lake 501 Lawrence 165 Madison 301 Marion 958 Marshall 183 Martin 104 Miami 171 Monroe 232 Montgomery 252 Morgan 252 Newton 172 Noble 89 Ohio 41 Orange 137 Owen 150 Parke 200 Perry 151 Pike 172 Porter 277 Posey 208 Pulaski 102 Putnam 290 Randolph 257 Ripley 191 Rush 227 Scott 118 Shelby 247 Spencer 244 St. Joseph 227 Starke 86 Steuben 135 Sullivan 217 Switzerland 62 Tippecanoe 330 Tipton 113 Union 58 Vanderburgh 279 Vermillion 127 Vigo 296 Wabash 192 Warren 135 Warrick 197 Washington 174 Wayne 343 Wells 158 White 214 Whitley 115

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.

CO

Colorado

4.82% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

ID

Idaho

4.90% top marginal rate
Structure
Progressive
Burden @ $100K
$4,616
Selected

IN

Indiana

5.22% top marginal rate
Structure
Progressive
Burden @ $100K
$19,495

KS

Kansas

5.26% top marginal rate
Structure
Progressive
Burden @ $100K
$24,894

AR

Arkansas

5.43% top marginal rate
Structure
Progressive
Burden @ $100K
$12,974

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.

SR 66 ILL SR 14

Poor

Over: WABASH RIVER & SERVICE R

00.35 W of SR 69, Posey, IN

Built 1930 Load: 0.0 t ADT: 1,065

SERVICE ROAD

Poor

Over: MARIO CREEK

INDIANA WOMEN PRISON, Marion, IN

Built 1920 Load: 0.0 t ADT: 1

PARK ROAD/TRAIL

Poor

Over: UNT MUD/RIVIR LAKES

00.00 CHAIN-O-LAKES ST PK, Noble, IN

Built 1893 Load: 0.0 t

ENTRANCE

Poor

Over: MADISON RR

00.00 MADISON ST HOSPITAL, Jefferson, IN

Built 1930 Load: 0.0 t ADT: 133

BOND CEMETERY ROAD

Poor

Over: NORTH FORK OF SALT CREEK

.2MI S OF GREEN VALLEY RD, Brown, IN

Built 1908 Load: 0.0 t

CR 200S

Poor

Over: BIRCH CREEK

00.70 E of 250 W, Clay, IN

Built 1910 Load: 0.0 t

All Bridges in Indiana

JACKSON ST

Good

Over: ELKHART RIVER

00.10 E OF N MAIN ST, Elkhart, IN

Built 1986 Load: 34.3 t ADT: 10,533

CR 775 E

Good

Over: DRAIN OF YELLOW CREEK

00.20 S OF CR 450 N, Gibson, IN

Built 1995 Load: 34.3 t ADT: 120

CR 850 W

Good

Over: BARREN CREEK

00.40 N OF SR 165, Gibson, IN

Built 2014 Load: 34.3 t ADT: 155

CR 600 S

Good

Over: HALFMOON CREEK

00.20 E OF CR 850 E, Gibson, IN

Built 1998 Load: 34.3 t ADT: 148

CR 750 WEST

Good

Over: INDIANA RAILROAD

0.40 N OF BASELINE ROAD, Greene, IN

Built 2016 Load: 34.3 t ADT: 160

ANTHONY RD

Good

Over: JONES DITCH

00.53 S OF 226TH ST, Hamilton, IN

Built 2007 Load: 34.3 t ADT: 500

TUDOR RD

Good

Over: MYNATT DITCH

00.20 W OF CR 100 W, Hendricks, IN

Built 2023 Load: 34.3 t ADT: 600

CR 200 N

Good

Over: SUGAR CREEK

0.4 MI E CR 1100 E, Howard, IN

Built 1962 Load: 34.3 t ADT: 359

PETERMAN ROAD

Good

Over: PLEASANT RUN CREEK

0.30 N OF FAIRVIEW ROAD, Johnson, IN

Built 2023 Load: 34.3 t ADT: 6,213

MAIN STREET ROAD

Good

Over: UPPER DESHEE RIVER

00.83 S OF HENRY ROAD, Knox, IN

Built 1974 Load: 34.3 t ADT: 190

FRONT STREET

Good

Over: DUCK CREEK

00.10 N of OLD RIDGE RD, Lake, IN

Built 1993 Load: 34.3 t ADT: 8,199

CR 500S

Good

Over: KINGSBURY CREEK

00.80 E CR 075 W, LaPorte, IN

Built 2005 Load: 34.3 t ADT: 125

CR 1300N

Good

Over: LILLY CREEK

00.30 E CR 300 W, Madison, IN

Built 1986 Load: 34.3 t ADT: 147

52ND ST

Good

Over: INDIAN CREEK

00.20 W OF GERMAN CHURCH, Marion, IN

Built 2004 Load: 34.3 t ADT: 1,344

LAFAYETTE RD

Good

Over: EAGLE CREEK RESERVOIR

00.47 S OF MOORE RD, Marion, IN

Built 2009 Load: 34.3 t ADT: 10,863

CR 300 W

Good

Over: THOMPSON DITCH

0.5 MI S CR 900 S, Newton, IN

Built 2016 Load: 34.3 t ADT: 152

CR 1275 S

Good

Over: MONTGOMERY DITCH

0.2 MI E CR 600 W, Newton, IN

Built 2020 Load: 34.3 t ADT: 143

21st St

Good

Over: Unnamed Creek

00.20 N of Mozart St, Perry, IN

Built 1975 Load: 34.3 t ADT: 300

CR 375W

Good

Over: WHITE RIVER

00.54 MI N OF SR 32, Randolph, IN

Built 1985 Load: 34.3 t ADT: 211

JACKSON RD

Good

Over: LONG RUN

00.10 N of US 129, Switzerland, IN

Built 1973 Load: 34.3 t ADT: 225

CR 900E

Good

Over: Sugar Creek

00.16 S of CR 650 N, Tippecanoe, IN

Built 1956 Load: 34.3 t ADT: 568

CR 1050W

Good

Over: WILBERT CRUM DITCH

00.10 S OF SR 28, Tipton, IN

Built 2010 Load: 34.3 t ADT: 100

ORCHARD RD

Good

Over: ILLINOIS CENTRAL RR

00.60 W OF FISCHER RD, Vanderburgh, IN

Built 1993 Load: 34.3 t ADT: 500

HUNT TRAIL ROAD

Good

Over: COLES CREEK

0.63 MI W EAMES ST RD, Warrick, IN

Built 1979 Load: 34.3 t ADT: 135

LEAVELL RD

Good

Over: NETTLE CREEK

00.20 E of FRANKLIN Rd, Wayne, IN

Built 1989 Load: 34.3 t ADT: 164

HOOSIER HIGHWAY

Good

Over: NEFF DITCH

00.30 N OF CR 400 S, Wells, IN

Built 2021 Load: 34.3 t ADT: 1,482

US 31

Good

Over: MUTTON CREEK DITCH

01.06 N I-65, Jackson, IN

Built 1980 Load: 34.4 t ADT: 4,119

CR 900 NORTH

Good

Over: GERKE DITCH

0.20 MILES E OF CR 100 E, Adams, IN

Built 1976 Load: 34.4 t ADT: 491

CR 600 NORTH

Good

Over: AMOS-THIEME DITCH

0.60 MILES W OF CR 700 E, Adams, IN

Built 1976 Load: 34.4 t ADT: 110

CR 900S

Good

Over: BROWN DITCH

00.90 W of CR 600 E, Benton, IN

Built 1999 Load: 34.4 t ADT: 70

CR 800S

Good

Over: STONEY CREEK

00.28 E of CR 700 E, Delaware, IN

Built 2002 Load: 34.4 t ADT: 110

SOUTH ST LOUIS RD

Good

Over: NO NAME CREEK

01.00 W OF ROTHROCK MILL, Harrison, IN

Built 2000 Load: 34.4 t ADT: 360

EAST OLD GOSHEN RD

Good

Over: NO NAME CREEK

00.10 E OF MERK ROAD, Harrison, IN

Built 1995 Load: 34.4 t ADT: 170

WALNUT ST

Good

Over: CROOKED CREEK

00.39 N of AULENBACH AVE, Jefferson, IN

Built 2008 Load: 34.4 t ADT: 100

BROADWAY STREET

Good

Over: LEATHERWOOD CREEK

00.30 N of HILLTOP Rd, Parke, IN

Built 1993 Load: 34.4 t ADT: 468

CR 600N

Good

Over: BLUE RIVER

00.50 W CR 650 E, Whitley, IN

Built 2009 Load: 34.4 t ADT: 200

SR 156

Good

Over: SAND RUN

05.02 W SR 250, Switzerland, IN

Built 1938 Load: 34.5 t ADT: 676

I-70 WB

Good

Over: 2 CITY STREETS CSX RR

04.25 W I-465, Marion, IN

Built 1974 Load: 34.5 t ADT: 84,506

CR 450 WEST

Good

Over: PAUL BIEBERICH DITCH

0.40 MILES S OF CR 900 N, Adams, IN

Built 1976 Load: 34.5 t ADT: 110

CR 550N

Good

Over: SQUAW Branch

00.75 E of CR 900 W, Carroll, IN

Built 1976 Load: 34.5 t ADT: 75

CR 175N

Good

Over: SIX MILE CREEK

00.02 E OF CR 500 W, Jennings, IN

Built 2014 Load: 34.5 t ADT: 300

DOC HAMILTON BLVD

Good

Over: CSX RAILROAD

00.80 E OF SR 37, Lawrence, IN

Built 2011 Load: 34.5 t ADT: 1,741

CR 725 SOUTH

Good

Over: PATOKA RIVER

0.65 E OF CR 325 E, Orange, IN

Built 1999 Load: 34.5 t ADT: 192

CR 250S

Good

Over: BRANCH OF SNAKE CREEK

00.80 W of CR 600 W, Putnam, IN

Built 2003 Load: 34.5 t ADT: 100

CR 650E

Good

Over: BIG WALNUT CREEK

00.70 S of CR 1200 N, Putnam, IN

Built 2016 Load: 34.5 t ADT: 240

CR 500N

Good

Over: BUCK CREEK

00.21 W of CR 900 E, Tippecanoe, IN

Built 1960 Load: 34.5 t ADT: 275

MARTINSBURG Rd

Good

Over: South Fork BLUE River

00.80 S of SHORTS CORNER, Washington, IN

Built 2002 Load: 34.5 t ADT: 56

E ROAD

Good

Over: BIG CREEK

1.2 MI W. OF E. PERIMETER, Jefferson, IN

Built 2016 Load: 34.5 t ADT: 2

SR 13

Good

Over: LAKETON REFINERY RR

02.49 S SR 114, Wabash, IN

Built 1937 Load: 34.6 t ADT: 4,831

CR 500S

Good

Over: DARBY DITCH

00.20 E of CR 500 S, Benton, IN

Built 1995 Load: 34.6 t ADT: 55

Showing 14,151-14,200 of 19,495 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.

What to do with this

Use Indiana's inventory picture to drill to a county or a specific span.

  • Browse counties in Indiana and open the highest-Poor shares first. County list
  • See where this state sits among peers on Poor-condition share. State rankings
  • Compare this state with another jurisdiction on the same measures. State compare

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Indiana Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.