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

SALT FORK RD

Fair

Over: CAMP GROUND BRANCH

00.10 S OF JACKSON RIDGE, Dearborn, IN

Built 1978 Load: 27.5 t ADT: 2,050

SR 101

Fair

Over: ST JOSEPH RIVER

02.40 S SR 1, DeKalb, IN

Built 1963 Load: 27.5 t ADT: 2,174

SR 164

Fair

Over: PATOKA RIVER

00.42 E US 231, Dubois, IN

Built 1950 Load: 27.5 t ADT: 14,220

CR 31

Fair

Over: HORN DITCH

00.20 S OF CR 38, Elkhart, IN

Built 1976 Load: 27.5 t ADT: 2,847

SPARKS ROAD

Fair

Over: BRANCH OF BEECH CREEK

1.00 W OF SR 45, Greene, IN

Built 1950 Load: 27.5 t ADT: 109

SR 19

Fair

Over: CICERO CREEK (MORSE RES)

06.82 N SR 32, Hamilton, IN

Built 1953 Load: 27.5 t ADT: 7,800

E MAIN ST

Fair

Over: VESTAL DITCH

00.80 E OF HAZEL DELL RD, Hamilton, IN

Built 1964 Load: 27.5 t ADT: 8,250

WOODFIELD DR

Fair

Over: MITCHENER DITCH

00.08 E OF GRAY RD, Hamilton, IN

Built 1984 Load: 27.5 t ADT: 1,110

OAKMONT DR

Fair

Over: BRANCH OF SLY RUN

00.20 N OF SR 32, Hamilton, IN

Built 1997 Load: 27.5 t ADT: 580

OLD SR 111

Fair

Over: FOUR MILE CREEK

07.11 S SR 211, Harrison, IN

Built 1967 Load: 27.5 t ADT: 243

PFRIMMER CHAPEL RD

Fair

Over: LITTLE INDIAN CREEK

00.10 S OF SR 62, Harrison, IN

Built 1973 Load: 27.5 t ADT: 356

US 36

Fair

Over: WEST FK WHITE LICK CREEK

00.64 E SR 39, Hendricks, IN

Built 1954 Load: 27.5 t ADT: 21,580

SR 234

Fair

Over: BRANCH DUCK CREEK

00.71 W SR 38, Henry, IN

Built 1959 Load: 27.5 t ADT: 1,514

SR 258

Fair

Over: INDIAN CREEK

03.67 W SR 11, Jackson, IN

Built 1984 Load: 27.5 t ADT: 3,490

I-65 SB

Fair

Over: BR MUTTON CREEK DITCH

01.82 N US 50, Jackson, IN

Built 1960 Load: 27.5 t ADT: 15,828

CR 180 WEST

Fair

Over: KEEFE DITCH

0.25 MILES S OF CR 800 S, Jasper, IN

Built 2005 Load: 27.5 t ADT: 84

VIECK ROAD

Fair

Over: VIEKE DITCH

00.37 N OF ST. THOMAS ROA, Knox, IN

Built 1978 Load: 27.5 t ADT: 130

SR 13

Fair

Over: GRASSY CREEK

04.72 N US 30, Kosciusko, IN

Built 1985 Load: 27.5 t ADT: 7,517

CR 600S/1000W

Fair

Over: MEREDITH DITCH

01.00 E of SR 19, Kosciusko, IN

Built 1976 Load: 27.5 t ADT: 550

CR 1175 EAST

Fair

Over: BR OF BIG TURKEY LAKE

00.01 MI SE OF CR 1185E, LaGrange, IN

Built 1974 Load: 27.5 t ADT: 2,250

912 WB RAMP TO I-9

Fair

Over: IND HARBOR BELT RR

00.13 E I-90, Lake, IN

Built 1984 Load: 27.5 t ADT: 720

SR 28

Fair

Over: DUCK CREEK

00.12 W SR 13, Madison, IN

Built 1985 Load: 27.5 t ADT: 6,643

SHERMAN DRIVE

Fair

Over: I-70

03.93 W I-465, Marion, IN

Built 1973 Load: 27.5 t ADT: 12,995

CR 800 NORTH

Fair

Over: FLOWERS CREEK

0.10 E OF WARSAW TRL N, Miami, IN

Built 1930 Load: 27.5 t ADT: 100

COONEY MILHON RD

Fair

Over: MILL CREEK

00.82 E OF S 1000 E, Morgan, IN

Built 2006 Load: 27.5 t ADT: 340

SR 262

Fair

Over: ARNOLD CREEK

01.13 W SR 56, Ohio, IN

Built 1983 Load: 27.5 t ADT: 2,339

POTTERSVILLE RD

Fair

Over: MCBRIDE BRANCH

0.4 S OF BRAYSVILLE RD, Owen, IN

Built 1940 Load: 27.5 t ADT: 1,760

SR 61

Fair

Over: PATOKA RIVER OVERFLOW

01.62 N SR 364, Pike, IN

Built 1947 Load: 27.5 t ADT: 6,078

SR 257

Fair

Over: FLAT CREEK

01.92 S SR 56, Pike, IN

Built 1992 Load: 27.5 t ADT: 1,214

CR 900S

Fair

Over: HEINHOLD DITCH

00.50 E CR 300 E, Porter, IN

Built 1930 Load: 27.5 t ADT: 220

Boberg Rd

Fair

Over: Branch of Neu Creek

00.17 MI E of ST PHILLIP, Posey, IN

Built 1973 Load: 27.5 t ADT: 428

US 231

Fair

Over: ABANDONED RR

00.35 N N Jct SR 236, Putnam, IN

Built 1981 Load: 27.5 t ADT: 3,850

I-70 WB

Fair

Over: VERMILLION CREEK

04.57 E US 231, Putnam, IN

Built 1965 Load: 27.5 t ADT: 41,402

CR 500W

Fair

Over: BEAR CREEK

00.10 MI S of CR 800 N, Randolph, IN

Built 1972 Load: 27.5 t ADT: 171

CR 400W

Fair

Over: BEAR CREEK

00.14 MI S OF CR 700 N, Randolph, IN

Built 1987 Load: 27.5 t ADT: 136

US 52

Fair

Over: LITTLE FLATROCK RIVER

04.32 E SR 3, Rush, IN

Built 1989 Load: 27.5 t ADT: 2,047

CR 700S

Fair

Over: SOUTH FORK LEWIS CREEK

00.20 W OF SR 9, Shelby, IN

Built 1977 Load: 27.5 t ADT: 150

CR 375W

Fair

Over: NO NAME CREEK

00.60 N OF CR 850 S, Shelby, IN

Built 2001 Load: 27.5 t ADT: 150

SR 58

Fair

Over: ELEVEN MILE DITCH

04.70 W US 41, Sullivan, IN

Built 1993 Load: 27.5 t ADT: 330

CR 300 W

Fair

Over: TURMAN CREEK

00.39 N OF W CHOWNING ST, Sullivan, IN

Built 1971 Load: 27.5 t ADT: 220

CR 200W

Fair

Over: Little Wea Creek

00.45 N of CR 925 S, Tippecanoe, IN

Built 2008 Load: 27.5 t ADT: 76

SR 46

Fair

Over: HONEY CREEK

01.22 W SR 159, Vigo, IN

Built 1987 Load: 27.5 t ADT: 6,814

E COUNTY LINE RD

Fair

Over: SPLUNGE CREEK

00.40 S OREGAN CH, Vigo, IN

Built 1970 Load: 27.5 t ADT: 188

SINGHURST St

Fair

Over: Branch of HONEY CREEK

00.40 N DALLAS DR, Vigo, IN

Built 1970 Load: 27.5 t ADT: 579

SR 68

Fair

Over: NEW PIGEON CREEK

01.82 E SR 57, Warrick, IN

Built 1991 Load: 27.5 t ADT: 1,920

ANDERSON ROAD

Fair

Over: SUMMER PECKA DITCH

00.11 MI S OF LINCOLN AVE, Warrick, IN

Built 1972 Load: 27.5 t ADT: 409

CR 800 SOUTH

Fair

Over: OWL CREEK

00.10 W OF CR 1000 W, Wells, IN

Built 1998 Load: 27.5 t ADT: 250

CR 200 WEST

Fair

Over: FLAT CREEK

00.40 N OF CR 700 N, Wells, IN

Built 1988 Load: 27.5 t ADT: 125

CR 100 WEST

Fair

Over: BIG CREEK

00.80 N OF CR 800 N, Wells, IN

Built 1997 Load: 27.5 t ADT: 399

CR 000 E/W

Fair

Over: SOUTH FORK WILDCAT CREEK

0.30 N OF CR 180 N, Clinton, IN

Built 1953 Load: 27.6 t ADT: 204

Showing 4,051-4,100 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.