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 300 S

Good

Over: WEST FORK OF KEG CREEK

00.50 E OF CR 850 E, Gibson, IN

Built 1995 Load: 39.5 t ADT: 5

CR 650S

Good

Over: DEER CREEK

00.41 MI E of SR 37, Grant, IN

Built 1996 Load: 39.5 t ADT: 110

MILLER AVE

Good

Over: LITTLE CRANE POND DITCH

00.40 MI N of CR 200 N, Grant, IN

Built 2001 Load: 39.5 t ADT: 1,320

I-69 NB

Good

Over: SAND CREEK

01.52 N SR 37, Hamilton, IN

Built 1966 Load: 39.5 t ADT: 31,720

MARILYN RD

Good

Over: SAND CREEK

00.09 N OF 136TH ST, Hamilton, IN

Built 1987 Load: 39.5 t ADT: 5,010

266TH ST EAST

Good

Over: BEAR CREEK

01.40 E SR 213, Hamilton, IN

Built 2015 Load: 39.5 t ADT: 1,270

MACGREGOR PARK RD

Good

Over: LINDLEY DITCH

00.11 N OF SR 38, Hamilton, IN

Built 2010 Load: 39.5 t ADT: 330

APPLE LN

Good

Over: NO NAME CREEK

00.10 E OF KINGS LN, Harrison, IN

Built 1991 Load: 39.5 t ADT: 399

CR 800S

Good

Over: MCCRACKEN CREEK

00.60 E OF SR 39, Hendricks, IN

Built 2021 Load: 39.5 t ADT: 200

US 31 SB

Good

Over: CENTRAL RR

01.56 N US 35, Howard, IN

Built 2013 Load: 39.5 t ADT: 23,187

CR 900 NORTH

Good

Over: NORFOLK SOUTHERN RR

0.77 MI E OF US 24, Huntington, IN

Built 2017 Load: 39.5 t ADT: 9,590

SR 114

Good

Over: SAYLER DITCH

00.41 E I-65, Jasper, IN

Built 2019 Load: 39.5 t ADT: 5,120

SR 37 SB

Good

Over: HONEY CREEK

03.39 N SR 144, Johnson, IN

Built 2023 Load: 39.5 t ADT: 28,250

FRY ROAD

Good

Over: PLEASANT RUN CREEK

0.11 W OF MADISON AVE, Johnson, IN

Built 2010 Load: 39.5 t ADT: 11,655

SB MADISON AVENUE

Good

Over: PLEASANT RUN CREEK

0.20 S OF COUNTY LINE RD, Johnson, IN

Built 1965 Load: 39.5 t ADT: 9,583

PARK AVENUE

Good

Over: WYLAND DITCH

00.01 N OF UNION DRIVE, Kosciusko, IN

Built 2013 Load: 39.5 t ADT: 350

I-70 WB

Good

Over: CSX RR SPUR

03.03 E I-465, Marion, IN

Built 1967 Load: 39.5 t ADT: 43,200

I-70 EB

Good

Over: POGUES RUN

03.10 W I-465, Marion, IN

Built 1969 Load: 39.5 t ADT: 84,506

I-465 SB RAMP

Good

Over: BIG EAGLE CREEK

02.45 N US 36, Marion, IN

Built 2012 Load: 39.5 t ADT: 9,434

US 30 EB

Good

Over: YELLOW RIVER

00.52 W US 31, Marshall, IN

Built 1964 Load: 39.5 t ADT: 7,714

US 30 WB

Good

Over: YELLOW RIVER

00.52 W US 31, Marshall, IN

Built 1964 Load: 39.5 t ADT: 7,346

US 31 NB

Good

Over: ELMER SELTENRIGHT DITCH

00.90 S US 6, Marshall, IN

Built 2014 Load: 39.5 t ADT: 7,790

WEST 17B ROAD

Good

Over: WARNER DITCH

00.10 E OF MAPLE ROAD, Marshall, IN

Built 1994 Load: 39.5 t ADT: 100

US 231

Good

Over: CSX RR

05.77 N I-74, Montgomery, IN

Built 1980 Load: 39.5 t ADT: 8,776

CR 447

Good

Over: Winding Branch

00.50 NE of CR 170, Perry, IN

Built 2017 Load: 39.5 t ADT: 10

SR 4

Good

Over: SHIDELER HOFFMAN DITCH

00.20 W JCT US 31, St. Joseph, IN

Built 2013 Load: 39.5 t ADT: 785

CR 1200 EAST

Good

Over: YELLOW RIVER

00.50 N CR 250 S, Starke, IN

Built 2023 Load: 39.5 t ADT: 178

CR 475S

Good

Over: MUD CREEK

0.08 MILES W OF CR 1000 W, Steuben, IN

Built 1982 Load: 39.5 t ADT: 649

LANE 280

Good

Over: CHANNEL of HAMILTON LAKE

0.25 MILES E OF CR 300 E, Steuben, IN

Built 2003 Load: 39.5 t ADT: 431

DOGGET STREET

Good

Over: ROUND PRAIRIE DITCH

00.01 W OF NUTTER ST, Tipton, IN

Built 2008 Load: 39.5 t ADT: 225

SR 66 WB

Good

Over: CYPRESS CREEK

00.16 W SR 61, Warrick, IN

Built 2010 Load: 39.5 t ADT: 9,985

HADLEY ROAD

Good

Over: WIRES DITCH

00.64 MI E OF SR 161, Warrick, IN

Built 1980 Load: 39.5 t ADT: 135

CR 1000S

Good

Over: SCUFFLE CREEK

00.10 W OF CR 50 W, Wells, IN

Built 2014 Load: 39.5 t ADT: 243

CR 500 SOUTH

Good

Over: HABEGGER DITCH

0.20 MILES W OF CR 200 E, Adams, IN

Built 2003 Load: 39.6 t ADT: 110

CR 1200E

Good

Over: BRANCH OF SLATE CREEK

00.42 S of CR 875 S, Daviess, IN

Built 1996 Load: 39.6 t ADT: 130

ROCKFIELD CEM Rd

Good

Over: E Fork of COAL Creek

01.00 S of Jct US 136, Fountain, IN

Built 2005 Load: 39.6 t ADT: 135

RAIL FENCE RD

Good

Over: SALT CREEK

00.10 E of HILLTOP RD, Franklin, IN

Built 2009 Load: 39.6 t ADT: 125

CR 1150E

Good

Over: LITTLE WALNUT CREEK

00.19 MI N of CR 500 S, Grant, IN

Built 1992 Load: 39.6 t ADT: 110

CR 600S

Good

Over: FALL CREEK

00.10 W SR 109, Madison, IN

Built 1997 Load: 39.6 t ADT: 928

CR 550E

Good

Over: LITTLE SUGAR CREEK

00.20 N of SR 32, Montgomery, IN

Built 2001 Load: 39.6 t ADT: 150

CR 675 SOUTH

Good

Over: HOGS DEFEAT CREEK

0.70 W OF SR 37, Orange, IN

Built 2020 Load: 39.6 t ADT: 100

MANSFIELD Rd

Good

Over: BIG RACCOON Creek

00.10 N of HAWKINS RD, Parke, IN

Built 1991 Load: 39.6 t ADT: 72

CR 200E

Good

Over: MISSISSINEWA RIVER

01.36 N SR 28, Randolph, IN

Built 1978 Load: 39.6 t ADT: 136

CR 1350N

Good

Over: BRANCH PIGEON CREEK

00.25 E of CR 600 E, Spencer, IN

Built 1978 Load: 39.6 t ADT: 170

SYMONDS CREEK RD

Good

Over: SYMONDS CREEK

00.70 N of FRANK MYERS Rd, Wayne, IN

Built 1998 Load: 39.6 t ADT: 142

CR 550S

Good

Over: MISHLER DITCH

00.20 W CR 950 W, Whitley, IN

Built 2011 Load: 39.6 t ADT: 125

CR 200 NORTH

Good

Over: MARTZ CREEK

0.10 MILES E OF CR 400 E, Adams, IN

Built 2006 Load: 39.7 t ADT: 69

CR 200N

Good

Over: PIPE CREEK

00.68 E CR 500 W, Grant, IN

Built 1994 Load: 39.7 t ADT: 820

CR 50W

Good

Over: CROFT DITCH

00.97 S OF W MAIN ST, Noble, IN

Built 2019 Load: 39.7 t ADT: 300

CR 36

Good

Over: Little Oil Creek

00.10 S of CR 133, Perry, IN

Built 2003 Load: 39.7 t ADT: 130

Showing 15,451-15,500 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 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.