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 125S

Poor

Over: BRANCH PATOKA RIVER

00.35 E CR 500 W, Pike, IN

Built 1935 Load: 27.3 t ADT: 200

ARIZONA STREET

Poor

Over: DEEP RIVER

00.30 N of 61st Ave, Lake, IN

Built 1964 Load: 27.4 t ADT: 2,141

CR 38

Poor

Over: Branch of Oil Creek

00.20 N of CR 119, Perry, IN

Built 1945 Load: 27.4 t ADT: 120

OLD US 231

Poor

Over: Wea Creek

00.12 S of CR 375 S, Tippecanoe, IN

Built 1929 Load: 27.4 t ADT: 6,262

CR 150 S (KELLEY)

Poor

Over: PRAIRIE CREEK

0.10 E OF KIRKLIN BRICK R, Clinton, IN

Built 1954 Load: 27.5 t ADT: 3,209

CR 500N

Poor

Over: MUD CREEK

00.03 W of CR 850 E, Delaware, IN

Built 1920 Load: 27.5 t ADT: 210

QUINN Rd

Poor

Over: PINE Creek

00.30 W of WALNUT Rd, St. Joseph, IN

Built 1993 Load: 27.6 t ADT: 118

CR 1050S

Poor

Over: NORTON Creek

00.30 W of CR 250 E, Vermillion, IN

Built 1910 Load: 27.6 t ADT: 117

CR 700 EAST

Poor

Over: TWO MILE DITCH

00.50 N OF JCT SR 26, Blackford, IN

Built 1982 Load: 27.8 t ADT: 110

EWING ROAD

Poor

Over: E FORK WHITE RIVER OVERF

0.32 E OF CR 150 W, Jackson, IN

Built 1930 Load: 27.8 t ADT: 500

CLARK STREET

Poor

Over: BRANCH BEAVER DAM DITCH

00.20 S. of 101st Ave, Lake, IN

Built 1960 Load: 27.8 t ADT: 4,369

NORTH LAKE STREET

Poor

Over: GRAND CALUMET RIVER

00.10 N. of HEMLOCK AVE., Lake, IN

Built 1920 Load: 27.8 t ADT: 2,538

SOUTHPORT RD

Poor

Over: WHITE RIVER

00.50 E OF MANN RD, Marion, IN

Built 1950 Load: 27.8 t ADT: 11,120

US 36

Poor

Over: MUD CREEK

01.59 W US 27, Randolph, IN

Built 1941 Load: 27.9 t ADT: 2,584

ELKINS ROAD

Poor

Over: KNOB CREEK

00.23 W OF BARTLETTSVILLE, Lawrence, IN

Built 1984 Load: 28.0 t ADT: 255

DARDEN Rd

Poor

Over: GEYER Ditch

00.50 E of TAMARACK Rd, St. Joseph, IN

Built 1971 Load: 28.0 t ADT: 157

CR 500 S

Poor

Over: MUD CREEK

0.6 MI E CR 900 E, Howard, IN

Built 1969 Load: 28.1 t ADT: 390

CR 400 SOUTH

Poor

Over: SUGAR CREEK

0.30 W OF CR 700 E, Johnson, IN

Built 1978 Load: 28.1 t ADT: 712

LYNHURST DR

Poor

Over: SEERLEY CREEK

00.35 N KENTUCKY AVE, Marion, IN

Built 1910 Load: 28.1 t ADT: 15,130

CR 750N

Poor

Over: Burnett Creek

00.05 W of CR 100 W, Tippecanoe, IN

Built 1957 Load: 28.2 t ADT: 413

SR 163

Poor

Over: BROUILLETTS CREEK

01.18 N SR 71, Vermillion, IN

Built 1932 Load: 28.2 t ADT: 1,645

I-70 EB

Poor

Over: E FK/E FK WHITEWATER RIV

00.18 E SR 121, Wayne, IN

Built 1959 Load: 28.2 t ADT: 18,702

MEYER RD

Poor

Over: TRIER DRAIN

00.50 N PAULDING RD, Allen, IN

Built 1969 Load: 28.3 t ADT: 2,525

CUBA RD

Poor

Over: OBERHALTZER DITCH

00.05 N OF GRABILL ROAD, Allen, IN

Built 1937 Load: 28.5 t ADT: 1,150

CR 350 SOUTH

Poor

Over: AMITY DITCH

0.05 W OF US 31, Johnson, IN

Built 1960 Load: 28.5 t ADT: 65

I-90 RAMP/BUCHANAN

Poor

Over: GRAND CALUMET RIVER

01.95 E US 12, Lake, IN

Built 1956 Load: 28.5 t

SR 32

Poor

Over: WHITE RIVER

04.15 E US 27, Randolph, IN

Built 1956 Load: 28.5 t ADT: 2,909

US 41 NB

Poor

Over: POND FLAT DITCH

02.01 S I-64, Vanderburgh, IN

Built 1946 Load: 28.5 t ADT: 14,325

US 41 SB

Poor

Over: POND FLAT DITCH

02.01 S I-64, Vanderburgh, IN

Built 1946 Load: 28.5 t ADT: 14,325

SR 1

Poor

Over: CARDINAL GREENWAY

00.56 N US 35, Wayne, IN

Built 1976 Load: 28.5 t ADT: 1,369

LENBURG ROAD

Poor

Over: SALT CREEK

00.30 E MCCOOL RD, Porter, IN

Built 1968 Load: 28.6 t ADT: 3,140

CR 625 WEST

Poor

Over: CROOKED CREEK

0.60 N OF CR 375 N, Johnson, IN

Built 1960 Load: 28.7 t ADT: 363

CYNTHEANNE RD

Poor

Over: DYERS CREEK

00.41 S OF STRAWTOWN AVE, Hamilton, IN

Built 1974 Load: 28.8 t ADT: 140

30TH STREET

Poor

Over: WHITE RIVER

.5 MI E OF COLD SPRING RD, Marion, IN

Built 1907 Load: 28.8 t ADT: 35,555

PLYMOUTH ROAD

Poor

Over: BRANCH OF WOODS FORK

00.61 E OF SR 3, Scott, IN

Built 1955 Load: 28.8 t ADT: 250

WIMBERG RD

Poor

Over: LOCUST CREEK

00.10 E OF ST JOSEPH AVE, Vanderburgh, IN

Built 1906 Load: 28.8 t ADT: 1,906

SR 218

Poor

Over: ROCK CREEK

02.16 W SR 1, Wells, IN

Built 1933 Load: 28.8 t ADT: 1,604

CR 500 WEST

Poor

Over: MOSSBURG DITCH

00.30 S OF CR 100 S, Wells, IN

Built 1930 Load: 28.8 t ADT: 100

MAHALASVILLE RD

Poor

Over: INDIAN TRACE CREEK

00.30 W OF S HAASETOWN RD, Morgan, IN

Built 1926 Load: 28.9 t ADT: 360

CR 900N

Poor

Over: BROWN DITCH

00.38 W LOWES RD, White, IN

Built 1982 Load: 28.9 t ADT: 200

CR 3

Poor

Over: BAUGO CREEK

00.90 N OF CR 28, Elkhart, IN

Built 1959 Load: 29.0 t ADT: 674

TWIN DRY FORD RD

Poor

Over: GARRISON CREEK

00.10 S of CR 650 S, Fayette, IN

Built 1986 Load: 29.0 t ADT: 100

BRANSON ST

Poor

Over: MISSISSINEWA RIVER

00.14 MI N of SR 18, Grant, IN

Built 1910 Load: 29.0 t ADT: 7,460

CR 200N

Poor

Over: LITTLE BLUE RIVER

00.20 W OF CR 350 E, Shelby, IN

Built 1930 Load: 29.0 t ADT: 150

CR 600W

Poor

Over: CROOKED CREEK

0.30 MILES S OF SR 120, Steuben, IN

Built 1965 Load: 29.0 t ADT: 166

CR 500N

Poor

Over: BRANCH OF BUSH CREEK

01.00 MI E of SR 1, Randolph, IN

Built 1983 Load: 29.2 t ADT: 245

CR 700 SOUTH

Poor

Over: BOGUS RUN

00.20 E OF CR 200 W, Starke, IN

Built 2005 Load: 29.2 t ADT: 100

OLD SHADELAND RD

Poor

Over: CSX RAILROAD

00.23 NE of SR 25, Tippecanoe, IN

Built 1972 Load: 29.2 t ADT: 594

COLUMBIA ST

Poor

Over: DELTA LAKE

00.10 W OF DELTA BLVD, Allen, IN

Built 1939 Load: 29.4 t ADT: 10,025

CR 200 NORTH

Poor

Over: WAYMAN DITCH

0.01 W OF SR 135, Jackson, IN

Built 1972 Load: 29.4 t ADT: 250

Showing 18,151-18,200 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.