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

SR 352

Good

Over: MUD PINE CREEK

01.61 E US 41, Benton, IN

Built 2023 Load: 34.0 t ADT: 1,679

SR 32

Good

Over: BIG EAGLE CREEK

00.05 E US 421, Boone, IN

Built 1993 Load: 34.0 t ADT: 7,040

FORD ROAD

Good

Over: EAGLE CREEK

00.50 S I-865, Boone, IN

Built 2015 Load: 34.0 t ADT: 7,760

SR 29

Good

Over: SOUTH FORK DEER CREEK

01.10 N SR 18, Carroll, IN

Built 1998 Load: 34.0 t ADT: 2,349

SR 265 EB

Good

Over: LICK RUN

00.23 E US 31, Clark, IN

Built 1992 Load: 34.0 t ADT: 33,248

SR 64/SR 66

Good

Over: WHISKEY RUN

01.16 E SR 66, Crawford, IN

Built 1993 Load: 34.0 t ADT: 3,427

I-69 NB

Good

Over: FIRST CREEK

04.00 S US 231, Daviess, IN

Built 2012 Load: 34.0 t ADT: 6,837

I-69 NB

Good

Over: BRANCH FIRST CREEK

03.47 S US 231, Daviess, IN

Built 2011 Load: 34.0 t ADT: 6,837

I-69 SB

Good

Over: BRANCH FIRST CREEK

03.47 S US 231, Daviess, IN

Built 2011 Load: 34.0 t ADT: 6,837

SR 56

Good

Over: LITTLE FLAT CREEK

01.38 E SR 257, Dubois, IN

Built 1995 Load: 34.0 t ADT: 6,319

CR 820E

Good

Over: HALL Creek

01.10 N of SCHNELLVILLE R, Dubois, IN

Built 1990 Load: 34.0 t ADT: 108

CHAPEL HILL RD

Good

Over: CAMPBELL BR JERSEY PK CR

00.60 E OF BORDEN, Floyd, IN

Built 1995 Load: 34.0 t ADT: 279

US 41 NB

Good

Over: DRY RUN

00.27 N I-74, Fountain, IN

Built 1965 Load: 34.0 t ADT: 4,625

US 41 SB

Good

Over: DRY RUN

00.27 N I-74, Fountain, IN

Built 1965 Load: 34.0 t ADT: 4,625

ST PETERS RD

Good

Over: WHITEWATER RIVER

00.20 W of SR 52, Franklin, IN

Built 1991 Load: 34.0 t ADT: 675

I-69 NB

Good

Over: UNT SMITH FORK

00.32 N SR 168, Gibson, IN

Built 2012 Load: 34.0 t ADT: 10,064

I-69 SB

Good

Over: UNT SMITH FORK

00.32 N SR 168, Gibson, IN

Built 2012 Load: 34.0 t ADT: 10,064

SR 18 WB

Good

Over: MISSISSINEWA RIVER

01.53 E SR 9, Grant, IN

Built 1961 Load: 34.0 t ADT: 746

BASE LINE ROAD

Good

Over: KELLY BRANCH

0.50 S OF SR 157, Greene, IN

Built 2020 Load: 34.0 t ADT: 73

CROOKED CREEK AVE

Good

Over: CICERO CREEK

00.39 N OF 266TH ST, Hamilton, IN

Built 2005 Load: 34.0 t ADT: 90

PILGRIM RD

Good

Over: STONY CREEK

00.32 N OF 191ST ST, Hamilton, IN

Built 1988 Load: 34.0 t ADT: 90

KIPPFORD ST

Good

Over: VESTAL DITCH

00.09 W OF CHERRY TREE RD, Hamilton, IN

Built 2006 Load: 34.0 t ADT: 660

SR 335

Good

Over: INDIAN CREEK

00.13 N SR 135, Harrison, IN

Built 1993 Load: 34.0 t ADT: 1,758

ROGERS CAMPGRND RD

Good

Over: SOUTH FORK BUCK CREEK

00.10 W OF MC PHILLIPS RD, Harrison, IN

Built 2003 Load: 34.0 t ADT: 140

I-65 NB

Good

Over: ABLE DITCH

00.64 N SR 11, Jackson, IN

Built 1960 Load: 34.0 t ADT: 20,158

I-65 SB

Good

Over: ABLE DITCH

00.64 N SR 11, Jackson, IN

Built 1960 Load: 34.0 t ADT: 19,999

US 50 WBL

Good

Over: OPOSSOM BRANCH

01.56 W SR 550, Knox, IN

Built 1999 Load: 34.0 t ADT: 4,059

SR 55

Good

Over: BROWN DITCH

04.52 S SR 2, Lake, IN

Built 2014 Load: 34.0 t ADT: 2,380

I-65 SB to I-70 EB

Good

Over: COLLEGE AVE./5-RAMPS

00.10 E I-65, Marion, IN

Built 2022 Load: 34.0 t ADT: 32,125

SR 106

Good

Over: EAST BRANCH BUNCH DITCH

00.22 E US 6, Marshall, IN

Built 1986 Load: 34.0 t ADT: 239

SR 331

Good

Over: TIPPECANOE RIVER

01.83 S SR 10, Marshall, IN

Built 1986 Load: 34.0 t ADT: 1,445

LIBERTY CHURCH RD

Good

Over: JORDAN CREEK

00.19 E OF LIBERTY CHRCH, Morgan, IN

Built 2023 Load: 34.0 t ADT: 530

SR 5

Good

Over: ELKHART RIVER

01.08 N US 6, Noble, IN

Built 1988 Load: 34.0 t ADT: 7,921

ABERDEEN ROAD

Good

Over: SOUTH FORK

1.80 W OF WORK ROAD, Ohio, IN

Built 1992 Load: 34.0 t ADT: 122

SR 145

Good

Over: FRENCH LICK CREEK

00.81 S SR 56, Orange, IN

Built 1967 Load: 34.0 t ADT: 3,705

CR 960 WEST

Good

Over: LOST RIVER

0.05 E OF CR 1025 W, Orange, IN

Built 1987 Load: 34.0 t ADT: 200

SR 66

Good

Over: LITTLE OIL CREEK

04.89 E SR 70, Perry, IN

Built 1979 Load: 34.0 t ADT: 270

CR 350E

Good

Over: PATOKA RIVER

00.31 N CR 400 S, Pike, IN

Built 2017 Load: 34.0 t ADT: 105

SR 8

Good

Over: CORNELL DITCH

04.80 E US 231, Porter, IN

Built 1952 Load: 34.0 t ADT: 4,768

SR 66

Good

Over: BIG CREEK

02.20 E SR 165, Posey, IN

Built 1991 Load: 34.0 t ADT: 6,690

CR 600N

Good

Over: SHANKATANK CREEK

00.50 E OF CR 150 E, Rush, IN

Built 2020 Load: 34.0 t ADT: 300

CR 1100 S

Good

Over: BRANCH OF POLLARD DITCH

00.10 W OF CR 700 E, Sullivan, IN

Built 2015 Load: 34.0 t ADT: 110

CR 1000E

Good

Over: SUGAR CREEK

00.24 S of CR 700 N, Tippecanoe, IN

Built 1981 Load: 34.0 t ADT: 153

CR 500S

Good

Over: LITTLE WEA CREEK

00.60 E of CR 150 W, Tippecanoe, IN

Built 2020 Load: 34.0 t ADT: 1,134

LYNCH RD

Good

Over: PIGEON CREEK

00.10 W OF GREEN RIVER RD, Vanderburgh, IN

Built 1997 Load: 34.0 t ADT: 21,337

SR 71

Good

Over: LITTLE VERMILION RIVER

02.81 S SR 63, Vermillion, IN

Built 1970 Load: 34.0 t ADT: 496

GREENCASTLE ROAD

Good

Over: TRIBUTARY COX DITCH

01.10 N RIOGRANDE, Vigo, IN

Built 1989 Load: 34.0 t ADT: 377

SR 161

Good

Over: BRANCH POKEBERRY CREEK

01.87 S SR 68, Warrick, IN

Built 2004 Load: 34.0 t ADT: 615

I-64 EBL

Good

Over: COLES CREEK

05.81 W SR 161, Warrick, IN

Built 1972 Load: 34.0 t ADT: 16,957

I-64 WBL

Good

Over: COLES CREEK

05.81 W SR 161, Warrick, IN

Built 1972 Load: 34.0 t ADT: 16,957

Showing 14,101-14,150 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.