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

DIVISION LINE RD

Good

Over: GRANT-HOWARD DITCH

01.96 W SR 13, Grant, IN

Built 2002 Load: 32.7 t ADT: 630

8TH ST

Good

Over: N&S RR

00.45 MI S of SR 22, Grant, IN

Built 1987 Load: 32.7 t ADT: 1,580

PENNSYLVANIA ST

Good

Over: MASSEY CREEK

00.86 MI N of SR 18, Grant, IN

Built 2003 Load: 32.7 t ADT: 6,840

CR 125S

Good

Over: BRANCH OF PIPE CREEK

00.49 MI W of CR 400 W, Grant, IN

Built 2005 Load: 32.7 t ADT: 150

2ND ST

Good

Over: BACK CREEK

00.08 MI W of MAIN STREET, Grant, IN

Built 2010 Load: 32.7 t ADT: 840

S OWENSBURG RD

Good

Over: UNT MITCHELL BRANCH

0.02 S SR 54, Greene, IN

Built 2015 Load: 32.7 t ADT: 50

I-69 NB/SB

Good

Over: UNT DOAN'S CREEK

01.51 E JCT US 231, Greene, IN

Built 2015 Load: 32.7 t ADT: 17,460

I-69 NB/SB

Good

Over: UNT CLIFTY BRANCH

0.41 W JCT SR 45, Greene, IN

Built 2015 Load: 32.7 t ADT: 23,528

SR 54

Good

Over: RITTER DITCH

00.92 E US 231 & SR 57, Greene, IN

Built 2010 Load: 32.7 t ADT: 4,727

I-69 NB/SB

Good

Over: UNT INDIAN CREEK

03.09 E JCT SR45, Greene, IN

Built 2015 Load: 32.7 t ADT: 9,151

GREENE CO LINE RD

Good

Over: RICHLAND CREEK

0.10 E OF SR 43, Greene, IN

Built 1990 Load: 32.7 t ADT: 660

TREE FARM ROAD

Good

Over: RICHLAND CREEK

0.20 S OF HARRAH ROAD, Greene, IN

Built 1987 Load: 32.7 t ADT: 110

GALLIMORE ROAD

Good

Over: RICHLAND CREEK

0.10 N OF SHARKEY ROAD, Greene, IN

Built 1987 Load: 32.7 t ADT: 110

BLUE BARN ROAD

Good

Over: RICHLAND CREEK

0.10 E OF CORWIN ROAD, Greene, IN

Built 1992 Load: 32.7 t ADT: 204

TAYLOR RIDGE ROAD

Good

Over: PLUMMER CREEK

0.20 S OF MINERAL-KOLEEN, Greene, IN

Built 1991 Load: 32.7 t ADT: 110

CALVERTVILLE ROAD

Good

Over: GOOSE CREEK

0.10 S OF FIRE STA. RD., Greene, IN

Built 1958 Load: 32.7 t ADT: 250

VERDE VALLEY ROAD

Good

Over: RICHLAND CREEK

0.20 N OF TULIP ROAD, Greene, IN

Built 1984 Load: 32.7 t ADT: 110

CR 1000 WEST

Good

Over: BUCK CREEK

0.20 N OF CR 200 N, Greene, IN

Built 1958 Load: 32.7 t ADT: 1,131

HARP ROAD

Good

Over: DOANS CREEK

0.10 S OF SR 58, Greene, IN

Built 1982 Load: 32.7 t ADT: 110

SR 32

Good

Over: MILL CREEK (SLY RUN)

01.19 W SR 38, Hamilton, IN

Built 1948 Load: 32.7 t ADT: 16,504

I-465

Good

Over: MONON GREENWAY

01.17 E US 31, Hamilton, IN

Built 2010 Load: 32.7 t ADT: 129,425

US 31

Good

Over: COOL CREEK

0.45 S SR 32, Hamilton, IN

Built 2015 Load: 32.7 t ADT: 46,570

US 31

Good

Over: N COOL CREEK

1.76 S SR 38, Hamilton, IN

Built 2015 Load: 32.7 t ADT: 37,290

SR 38

Good

Over: WEST FORK SLY RUN

03.03 W SR 32, Hamilton, IN

Built 2011 Load: 32.7 t ADT: 11,714

DITCH RD

Good

Over: ALMOND DITCH

00.10 S OF 136TH ST, Hamilton, IN

Built 2002 Load: 32.7 t ADT: 5,590

206TH ST EAST

Good

Over: JONES DITCH

00.75 E OF HORTON RD, Hamilton, IN

Built 2002 Load: 32.7 t ADT: 550

SPRING MILL RD

Good

Over: WILLIAMS CREEK

00.52 S OF 131ST ST, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 18,100

SPRING MILL RD

Good

Over: WILLIAMS CREEK

00.73 N OF 116TH ST, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 18,020

CASEY RD

Good

Over: LITTLE EAGLE CREEK

00.39 N OF 186TH ST, Hamilton, IN

Built 2000 Load: 32.7 t ADT: 190

136TH ST WEST

Good

Over: WILLIAMS CREEK

00.12 E OF SPRINGMILL RD, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 17,520

256TH ST EAST

Good

Over: LITTLE CICERO CREEK

00.41 E OF GWINN RD, Hamilton, IN

Built 1974 Load: 32.7 t ADT: 1,620

266TH ST EAST

Good

Over: DITCH TO CICERO CREEK

00.04 E OF MT. PLEASANT R, Hamilton, IN

Built 2000 Load: 32.7 t ADT: 2,250

256TH ST EAST

Good

Over: LONG BRANCH CREEK

00.26 E OF LACY RD, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 220

256TH ST EAST

Good

Over: BEAR CREEK

00.19 W OF PARKER RD, Hamilton, IN

Built 2002 Load: 32.7 t ADT: 620

186TH ST EAST

Good

Over: COOL CREEK

00.01 W OF GRASSY BRANCH, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 1,130

146TH ST EAST

Good

Over: KIRKENDALL CREEK

00.37 E HAZEL DELL RD, Hamilton, IN

Built 2001 Load: 32.7 t ADT: 31,850

156TH ST EAST

Good

Over: KIRKENDALL CREEK

00.03 W OF HAZEL DELL RD, Hamilton, IN

Built 2008 Load: 32.7 t ADT: 800

HAZELDELL PKWY

Good

Over: KIRKENDALL CREEK

00.06 S OF 156TH ST, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 23,650

110TH ST EAST

Good

Over: CARMEL CREEK

00.07 E OF WESTFIELD BLVD, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 1,400

PRAIRIE BAPTIST RD

Good

Over: SAND CREEK

00.11 S OF SR 38, Hamilton, IN

Built 2007 Load: 32.7 t ADT: 860

SIX POINTS RD

Good

Over: TETER BR LITTLE CICERO

00.53 N OF SR 38, Hamilton, IN

Built 2003 Load: 32.7 t ADT: 1,010

E MAIN ST

Good

Over: COOL CREEK

00.35 E OF KEYSTONE AVE, Hamilton, IN

Built 1957 Load: 32.7 t ADT: 18,040

SPRING MILL RD

Good

Over: WILLIAMS CREEK

00.12 N OF 136TH ST, Hamilton, IN

Built 2005 Load: 32.7 t ADT: 19,320

OLIO RD

Good

Over: SAND CREEK

00.03 S OF 156TH ST, Hamilton, IN

Built 1992 Load: 32.7 t ADT: 6,200

COOPERS HAWK DR

Good

Over: MITCHENER DITCH

00.19 N OF CHERRY TREE RD, Hamilton, IN

Built 1998 Load: 32.7 t ADT: 1,210

OAK RIDGE RD

Good

Over: GRASSY BRANCH

00.08 S OF SR 32, Hamilton, IN

Built 1995 Load: 32.7 t ADT: 5,870

VALLEY SPRINGS BLD

Good

Over: SAND CREEK

00.07 W OF CUMBERLAND RD, Hamilton, IN

Built 1998 Load: 32.7 t ADT: 450

CLOVER RD

Good

Over: RETENTION POND DITCH

00.03 N OF STONY CREEK RD, Hamilton, IN

Built 1998 Load: 32.7 t ADT: 2,570

116TH ST EAST

Good

Over: MITCHENER DITCH

00.31 E OF HAZEL DELL RD, Hamilton, IN

Built 1998 Load: 32.7 t ADT: 31,570

126TH ST WEST

Good

Over: MITCHENER DITCH

00.48 W OF RIVER RD, Hamilton, IN

Built 1997 Load: 32.7 t ADT: 8,230

Showing 12,801-12,850 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.