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 WEST

Fair

Over: LOBLOLLY CREEK

0.10 MILES N OF CR 1200 S, Adams, IN

Built 1982 Load: 44.6 t ADT: 164

CR 550N

Fair

Over: WOLF CREEK

00.70 W OF CR 900 W, Boone, IN

Built 1920 Load: 44.6 t ADT: 120

CR 50N

Fair

Over: Branch of Jordan Creek

00.10 E of 700 E, Clay, IN

Built 1980 Load: 44.6 t ADT: 119

CR 70W

Fair

Over: BIG SHAWNEE Creek

00.70 N of CR 750 N, Fountain, IN

Built 1969 Load: 44.6 t ADT: 117

KENTUCKY STREET

Fair

Over: CARPENTER CREEK

0.03 MILES E OF HARRISON, Jasper, IN

Built 1980 Load: 44.6 t ADT: 967

CR 1100S

Fair

Over: SLOCUM DITCH

00.30 W CR 1025 W, LaPorte, IN

Built 2011 Load: 44.6 t ADT: 350

SOUTH PEACH ROAD

Fair

Over: YELLOW RIVER

00.50 N OF W 14 B ROAD, Marshall, IN

Built 1970 Load: 44.6 t ADT: 100

Wagon Wheel Rd

Fair

Over: Branch of Caney Creek

00.84 MI NE of Lane Rd, Posey, IN

Built 2007 Load: 44.6 t ADT: 172

ASH Rd

Fair

Over: LOST Creek

00.50 S of RILEY Rd, St. Joseph, IN

Built 1980 Load: 44.6 t ADT: 48

BELLVIEW RD

Fair

Over: SOUTH BRANCH SALT CREEK

02.52 W CR 650 W, Bartholomew, IN

Built 1997 Load: 44.7 t ADT: 680

SR 18

Fair

Over: LITTLE DEER CREEK

00.65 E SR 29 W JCT, Carroll, IN

Built 1930 Load: 44.7 t ADT: 3,253

CR 650S

Fair

Over: ELL Creek

00.90 E of SR 161, Dubois, IN

Built 1995 Load: 44.7 t ADT: 38

NEWTON ST

Fair

Over: PATOKA RIVER

00.10 S of 2ND St., Dubois, IN

Built 1998 Load: 44.7 t ADT: 6,978

RONALD REAGAN PKWY

Fair

Over: US-136

01.00 MI S OF I-74, Hendricks, IN

Built 2018 Load: 44.7 t ADT: 22,100

CR 300 WEST

Fair

Over: BROOK CREEK

0.1 MI S OF SR 124, Huntington, IN

Built 1965 Load: 44.7 t ADT: 1,125

CR 300 WEST

Fair

Over: BRANCH MAJENICA CREEK

0.01 MI S OF CR 400 S, Huntington, IN

Built 2001 Load: 44.7 t ADT: 857

US 50

Fair

Over: GUTHRIE CREEK

02.80 W SR 235, Jackson, IN

Built 1979 Load: 44.7 t ADT: 3,929

SR 54

Fair

Over: SPRING CREEK

00.05 W SR 58, Lawrence, IN

Built 1987 Load: 44.7 t ADT: 1,652

CR 1100S

Fair

Over: REDSKIN BROOK

00.80 E SR 109, Madison, IN

Built 1930 Load: 44.7 t ADT: 465

I-465 WB

Fair

Over: INDIANA RR CO

00.53 E SR 37, Marion, IN

Built 1962 Load: 44.7 t ADT: 58,751

EAST 7B ROAD

Fair

Over: DAUSMAN DITCH

00.40 W OF N FILBERT ROAD, Marshall, IN

Built 1986 Load: 44.7 t ADT: 100

CR 250W

Fair

Over: CARROLL CREEK

00.20 N OF CR 200 S, Noble, IN

Built 1920 Load: 44.7 t ADT: 90

DUNN RD

Fair

Over: CREEK TO WHITE RIVER

01.60 S SR 67, Owen, IN

Built 2015 Load: 44.7 t ADT: 190

Upton Rd

Fair

Over: Whipple Ditch

00.39 MI N of UPPER UPTON, Posey, IN

Built 1995 Load: 44.7 t ADT: 501

US 231 NB

Fair

Over: HOOSIER SOUTHERN RR

01.29 S SR 62, Spencer, IN

Built 2007 Load: 44.7 t ADT: 4,800

CR 775S

Fair

Over: FISH CREEK

0.10 MILES E OF CR 535 E, Steuben, IN

Built 1965 Load: 44.7 t ADT: 239

SR 48

Fair

Over: TURMAN CREEK

02.39 E SR 63, Sullivan, IN

Built 1978 Load: 44.7 t ADT: 1,175

SR 38 EBL

Fair

Over: ELLIOTT DITCH

02.27 W I-65, Tippecanoe, IN

Built 1994 Load: 44.7 t ADT: 12,822

SR 38 WBL

Fair

Over: ELLIOTT DITCH

02.27 W I-65, Tippecanoe, IN

Built 1993 Load: 44.7 t ADT: 6,096

Coal Hollow Rd

Fair

Over: Coal Run Creek

00.92 NW of SR 263, Warren, IN

Built 1956 Load: 44.7 t ADT: 80

CR 1050W

Fair

Over: WALNUT FORK OF SUGAR CR

00.80 N OF CR 200 S, Boone, IN

Built 1977 Load: 44.8 t ADT: 120

CR 925W

Fair

Over: RATTLESNAKE Creek

00.01 N of CR 1200 N, Carroll, IN

Built 1969 Load: 44.8 t ADT: 176

CR 1100N

Fair

Over: REES DITCH

00.06 W of CR 450 E, Delaware, IN

Built 2003 Load: 44.8 t ADT: 90

CR 250N

Fair

Over: WILLIAMS CREEK

00.10 NW of CR 200 N, Fayette, IN

Built 1980 Load: 44.8 t ADT: 275

CR 800S

Fair

Over: MILL CREEK

00.20 E of US 41, Fountain, IN

Built 1920 Load: 44.8 t ADT: 250

MINNESOTA ST

Fair

Over: BIG EAGLE CREEK

00.80 E OF TIBBS AVE, Marion, IN

Built 1962 Load: 44.8 t ADT: 2,319

N ULE TRAIL

Fair

Over: JESSE MCKESSON DITCH

00.75 N OF 1ST ROAD, Marshall, IN

Built 1935 Load: 44.8 t ADT: 150

CR 390 WEST

Fair

Over: ED CLARK DITCH

00.20 N OF CR 100 N, Shelby, IN

Built 1991 Load: 44.8 t ADT: 100

VELOCIPEDE PIKE

Fair

Over: DUBOIS CREEK

00.35 W OF LIBERTY PIKE, Union, IN

Built 1983 Load: 44.8 t ADT: 100

SCIPIO RD

Fair

Over: WANN DITCH

00.15 S KNOUSE ROAD, Allen, IN

Built 1971 Load: 44.9 t ADT: 312

CR 160 NORTH

Fair

Over: PRAIRIE CREEK

0.10 W OF CR 0 E/W, Clinton, IN

Built 1999 Load: 44.9 t ADT: 306

CR 55

Fair

Over: MAIN HURSEY DITCH

00.20 N OF CR 56, DeKalb, IN

Built 1983 Load: 44.9 t ADT: 100

CR 300E

Fair

Over: MASSEY CREEK

01.27 MI S of HARRELD Rd, Grant, IN

Built 1996 Load: 44.9 t ADT: 760

CR 600W

Fair

Over: BUCK CREEK

00.10 N OF US 40, Henry, IN

Built 1925 Load: 44.9 t ADT: 250

CR 500 WEST

Fair

Over: HEILSHER DITCH

0.50 MILES N OF CR 900 N, Jasper, IN

Built 1994 Load: 44.9 t ADT: 112

EAST 17TH RD

Fair

Over: DEEP OUTLET MAIN

00.20 W OF S FIR RD, Marshall, IN

Built 1982 Load: 44.9 t ADT: 175

HERBEMONT RD

Fair

Over: LAKE DITCH

00.45 W YALE FERGUSON RD, Morgan, IN

Built 1976 Load: 44.9 t ADT: 110

BENHAM ROAD

Fair

Over: BENHAM BRANCH

00.08 S of CR 650 S, Ripley, IN

Built 1994 Load: 44.9 t ADT: 350

CR 525 EAST

Fair

Over: BERGER DITCH

0.40 MILES S OF CR 500 S, Adams, IN

Built 2013 Load: 45.0 t ADT: 110

SR 427

Fair

Over: CEDAR CREEK

00.31 N US 6, DeKalb, IN

Built 1935 Load: 45.0 t ADT: 4,184

Showing 9,901-9,950 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.