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

Poor

Over: SOAPSTONE CREEK

01.80 N SR 1, Dearborn, IN

Built 1987 Load: 24.1 t ADT: 100

DIVISION Rd

Poor

Over: CROOKED Creek

00.60 E of CR 600 W, Dubois, IN

Built 1991 Load: 24.1 t ADT: 928

CR 500E

Poor

Over: TURKEY Run

00.10 N of CR 240 N, Fountain, IN

Built 1921 Load: 24.1 t ADT: 120

BLUFFTON ROAD

Poor

Over: GOSS-SWITZER DITCH

0.1 MILES WEST OF CR 650, Jay, IN

Built 1984 Load: 24.1 t ADT: 181

CR 850N

Poor

Over: BR MUD PINE CREEK

00.52 E of CR 400 W, Warren, IN

Built 1915 Load: 24.1 t ADT: 60

CR 500 W

Poor

Over: MILL CREEK

00.10 INT OF CR 500 S, Wabash, IN

Built 1962 Load: 24.2 t ADT: 225

HAZELDELL PKWY

Poor

Over: COOL CREEK

00.18 S OF 116TH ST, Hamilton, IN

Built 1998 Load: 24.3 t ADT: 11,260

US 41 NB

Poor

Over: BUSSERON CREEK

01.35 S SR 54, Sullivan, IN

Built 1972 Load: 24.3 t ADT: 6,687

CR 875W

Poor

Over: WALNUT FORK SUGAR CR

00.90 N OF CR 100 S, Boone, IN

Built 1925 Load: 24.5 t ADT: 120

CR 830 EAST

Poor

Over: SOUTH FORK WILDCAT CREEK

0.50 S OF CR 200 N, Clinton, IN

Built 1923 Load: 24.5 t ADT: 204

CR 700 SOUTH

Poor

Over: WITHE CREEK

0.10 W OF CR 880 W, Clinton, IN

Built 1955 Load: 24.5 t ADT: 102

CR 500 WEST

Poor

Over: MAJENICA CREEK

0.01 MI N OF CR 400 S, Huntington, IN

Built 1977 Load: 24.5 t ADT: 107

CR 150N

Poor

Over: STORM CREEK

00.39 E OF CR 700 W, Jennings, IN

Built 1905 Load: 24.5 t ADT: 125

TR 257

Poor

Over: WABASH RIVER

01.10 NW CR 220 N, Knox, IN

Built 1906 Load: 24.5 t ADT: 750

CR 450W

Poor

Over: SPRING Creek

00.00 Int of CR 900 S, Parke, IN

Built 1965 Load: 24.5 t ADT: 50

CR 400 E

Poor

Over: MIDDLE FORK CREEK

00.55 N OF CR 600 S, Sullivan, IN

Built 1935 Load: 24.5 t ADT: 110

HOGUE RD

Poor

Over: CARPENTIER CREEK

00.60 E OF RED BANK RD, Vanderburgh, IN

Built 1965 Load: 24.5 t ADT: 6,943

CHAMBERLAIN STREET

Poor

Over: LOST CREEK

00.30 S US 40, Vigo, IN

Built 1962 Load: 24.5 t ADT: 4,441

SR 9

Poor

Over: MUD CREEK

02.83 N SR 28, Madison, IN

Built 1923 Load: 24.6 t ADT: 4,331

CR 800S

Poor

Over: MILL CREEK

00.10 W OF KINGMAN ROAD, Fountain, IN

Built 1960 Load: 24.8 t ADT: 475

LAHMEYER RD

Poor

Over: BULLERMAN DRAIN

00.20 N OF STELLHORN RD, Allen, IN

Built 1970 Load: 24.9 t ADT: 8,050

IRON BRIDGE RD

Poor

Over: NATURAL DRAIN

00.30 N OF KRESS RD, Allen, IN

Built 1976 Load: 24.9 t ADT: 102

CR 100S

Poor

Over: PRAIRIE CREEK

01.30 W CR 300 E, Boone, IN

Built 1920 Load: 24.9 t ADT: 850

MERIDIAN RD

Poor

Over: METOCINAH CREEK

00.45 N CR 600 N, Grant, IN

Built 1978 Load: 24.9 t ADT: 180

US 6

Poor

Over: MUCK POCKET

00.84 E SR 51/I-80/94, Lake, IN

Built 1941 Load: 24.9 t ADT: 22,439

ACTON ROAD

Poor

Over: MAZE CREEK

00.40 S OF MAZE ROAD, Marion, IN

Built 1970 Load: 24.9 t ADT: 3,688

US 40

Poor

Over: SALLUST BRANCH

00.50 W SR 75, Putnam, IN

Built 1921 Load: 24.9 t ADT: 5,052

CR 775E

Poor

Over: Br Middle Fork Wildcat C

00.02 S of SR 26, Tippecanoe, IN

Built 1976 Load: 24.9 t ADT: 382

JEFF ROAD

Poor

Over: BRANCH SALAMONIE RIVER

00.10 N OF CR 1200 S, Wells, IN

Built 1920 Load: 25.0 t ADT: 300

MCINTYRE BOTTOM RD

Poor

Over: BACK CREEK

01.02 E OF CR 800 E, Lawrence, IN

Built 1990 Load: 25.3 t ADT: 71

DEEP CUT LAKE ROAD

Poor

Over: BEAVER CREEK

0.35 S OF SR 650, Martin, IN

Built 1890 Load: 25.3 t ADT: 100

CR 300W

Poor

Over: CORNELL DITCH

00.60 N 750 S, Porter, IN

Built 1930 Load: 25.3 t ADT: 110

CR 400W

Poor

Over: DENIOS CREEK

00.53 N OF CR 300 S, Bartholomew, IN

Built 1960 Load: 25.4 t ADT: 3,300

OLD SR 25

Poor

Over: ROBINSON Branch

00.24 W of SR 25, Carroll, IN

Built 1939 Load: 25.4 t ADT: 974

CR 100 NORTH

Poor

Over: BR OF MCHARGUE DITCH

0.01 W OF CR 500 W, Jackson, IN

Built 1930 Load: 25.4 t ADT: 60

CR 300N

Poor

Over: MUTTON CREEK

00.25 W OF CR 800 W, Jennings, IN

Built 1910 Load: 25.4 t ADT: 225

CR 860N

Poor

Over: FINCH BRANCH

00.03 E OF CR 850 E, Jennings, IN

Built 1910 Load: 25.4 t ADT: 125

CR 550W

Poor

Over: BRUSHY FORK

00.02 N OF CR 710 S, Jennings, IN

Built 1910 Load: 25.4 t ADT: 125

CENTER STREET

Poor

Over: ARMEY DITCH

00.01 N OF WATER STREET, Marshall, IN

Built 1905 Load: 25.4 t ADT: 1,250

CR 875W

Poor

Over: BEAVER MEADOW CREEK

00.40 N OF US 52, Rush, IN

Built 1930 Load: 25.4 t ADT: 150

CR 500 EAST

Poor

Over: FOREMANS BRANCH

00.30 N OF CR 700 N, Shelby, IN

Built 1930 Load: 25.4 t ADT: 300

CR 750 NORTH

Poor

Over: BRANDYWINE CREEK

00.50 W OF SR 9, Shelby, IN

Built 1970 Load: 25.4 t ADT: 150

CR 400 NORTH

Poor

Over: FOREMANS BRANCH

00.60 W OF CR 300 E, Shelby, IN

Built 1930 Load: 25.4 t ADT: 150

BLUE RIDGE ROAD

Poor

Over: NORTH FORK LEWIS CREEK

00.60 MI. W. OF CR 325 E, Shelby, IN

Built 1963 Load: 25.4 t ADT: 175

EDINBURGH ROAD

Poor

Over: BRANCH OF BIG BLUE RIVER

00.25 W OF CR 600 W, Shelby, IN

Built 1930 Load: 25.4 t ADT: 150

CR 25 EAST

Poor

Over: MIDDLE FORK LEWIS CREEK

00.90 N OF CR 700 S, Shelby, IN

Built 1927 Load: 25.4 t ADT: 100

GREEN MEADOWS RD

Poor

Over: DRY FORK CREEK

00.33 S OF MICHIGAN RD, Shelby, IN

Built 1960 Load: 25.4 t ADT: 50

CR 150W

Poor

Over: FLATROCK RIVER OVERFLOW

00.20 N OF CR 1050 S, Shelby, IN

Built 1940 Load: 25.4 t ADT: 175

STONE ROAD

Poor

Over: INDIAN CREEK

00.40 N OF SAND RUN ROAD, Union, IN

Built 1954 Load: 25.4 t ADT: 225

CR 100 NORTH

Poor

Over: ROCK CREEK

00.50 W OF CR 400 W, Wells, IN

Built 1920 Load: 25.4 t ADT: 250

Showing 18,051-18,100 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.