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 121

Good

Over: BR E FK WHITEWATER RIVER

00.14 N I-70, Wayne, IN

Built 1986 Load: 88.1 t ADT: 2,041

I-65

Good

Over: MILL CREEK

00.95 N SR 62X, Clark, IN

Built 1952 Load: 88.2 t ADT: 62,442

I-65

Good

Over: ELK RUN

01.60 N SR 311, Clark, IN

Built 1958 Load: 88.2 t ADT: 39,184

SR 48

Good

Over: NORTH HOGAN CREEK

01.23 E SR 101, Dearborn, IN

Built 1955 Load: 88.2 t ADT: 2,228

US 35, SR 22

Good

Over: BACK CREEK

00.04 N SR 15, Grant, IN

Built 1964 Load: 88.2 t ADT: 4,438

SR 111

Good

Over: KNOB CREEK

03.23 N SR 211, Harrison, IN

Built 1975 Load: 88.2 t ADT: 5,692

SR 1

Good

Over: HARRIS CREEK

01.08 S SR 26, Jay, IN

Built 1998 Load: 88.2 t ADT: 1,707

SR 26

Good

Over: CROOKED CREEK

00.40 W SR 1, Jay, IN

Built 2009 Load: 88.2 t ADT: 1,640

SR 3

Good

Over: NEW BRANCH

01.51 S SR 7, Jennings, IN

Built 1933 Load: 88.2 t ADT: 2,827

SR 61

Good

Over: WILSON CREEK

01.61 S SR 241, Knox, IN

Built 1932 Load: 88.2 t ADT: 3,356

US 231

Good

Over: DRY BRANCH

00.44 N SR 32, Montgomery, IN

Built 1931 Load: 88.2 t ADT: 17,443

SR 39

Good

Over: LAWRENCE-ALDEN CREEK

00.38 S SR 67, Morgan, IN

Built 1967 Load: 88.2 t ADT: 11,249

SR 67

Good

Over: MONICAL CREEK

03.66 S SR 144, Morgan, IN

Built 1966 Load: 88.2 t ADT: 14,046

SR 350

Good

Over: PLUM CREEK

02.19 E US 421, Ripley, IN

Built 1956 Load: 88.2 t ADT: 3,343

SR 350

Good

Over: CASTATORS CREEK

00.04 W SR 129, Ripley, IN

Built 1956 Load: 88.2 t ADT: 3,490

I-74

Good

Over: LITTLE PIPE CREEK

00.98 W SR 101, Ripley, IN

Built 1962 Load: 88.2 t ADT: 18,786

I-74

Good

Over: BRANCH LITTLE PIPE CREEK

00.68 W SR 101, Ripley, IN

Built 1962 Load: 88.2 t ADT: 18,786

I-65

Good

Over: DRY RUN

00.58 N SR 25, Tippecanoe, IN

Built 1969 Load: 88.2 t ADT: 45,595

US 40

Good

Over: THOMPSON DITCH

01.06 E SR 42, Vigo, IN

Built 1941 Load: 88.2 t ADT: 23,522

US 24

Good

Over: RAGER CREEK

03.85 E SR 524, Wabash, IN

Built 2000 Load: 88.2 t ADT: 9,185

SR 26

Good

Over: TRIBUTARY OF PINE CREEK

00.09 W SR 55, Warren, IN

Built 2000 Load: 88.2 t ADT: 932

US 136

Good

Over: SPRING CREEK

01.31 W SR 63, Warren, IN

Built 1923 Load: 88.2 t ADT: 3,113

SR 56

Good

Over: CANTON CREEK

03.94 E SR 135, Washington, IN

Built 1972 Load: 88.2 t ADT: 5,517

SR 56

Good

Over: BRANCH ELK CREEK

03.38 W SR 39, Washington, IN

Built 1972 Load: 88.2 t ADT: 3,992

SR 60

Good

Over: HAGGATT BRANCH

00.24 E SR 160, Washington, IN

Built 1947 Load: 88.2 t ADT: 8,905

SR 45

Good

Over: PLUM CREEK

05.79 S SR 135, Brown, IN

Built 1970 Load: 89.8 t ADT: 2,034

SR 15

Good

Over: BACK CREEK

00.05 N SR 22, Grant, IN

Built 1938 Load: 89.8 t ADT: 8,754

US 30

Good

Over: DEEP RIVER

01.96 E SR 51, Lake, IN

Built 1935 Load: 89.8 t ADT: 25,719

CR 400 N

Good

Over: NORTH FORK OF BLACK CREE

00.10 W of CR 100 W, Montgomery, IN

Built 1997 Load: 89.8 t ADT: 550

CR 500N

Good

Over: BRANCH OF BLACK CREEK

00.10 E of CR 275 W, Montgomery, IN

Built 1997 Load: 89.8 t ADT: 100

CR 100W

Good

Over: BRANCH OF BLACK CREEK

00.10 S of CR 400 N, Montgomery, IN

Built 1997 Load: 89.8 t ADT: 350

SR 1

Good

Over: WATSON DITCH

09.07 S SR 8, Allen, IN

Built 1941 Load: 90.7 t ADT: 2,700

UNION CHAPEL RD

Good

Over: BELOT DRAIN

00.75 E AUBURN ROAD, Allen, IN

Built 1985 Load: 90.7 t ADT: 5,000

AIRPORT EXPY

Good

Over: WELLBAUM DRAIN

00.06 E COVERDALE RD, Allen, IN

Built 1995 Load: 90.7 t ADT: 10,125

CR 900S

Good

Over: Branch of Big Pine Creek

00.70 E of SR 55, Benton, IN

Built 1980 Load: 90.7 t ADT: 70

CR 1250W

Good

Over: SNOW DITCH

00.37 N of CR 750 N, Carroll, IN

Built 1960 Load: 90.7 t ADT: 214

HUESMAN RD

Good

Over: GOOD PASTURE BRANCH

01.00 N OF SR 262, Dearborn, IN

Built 1981 Load: 90.7 t ADT: 860

HARVEST CHURCH RD

Good

Over: PLUMMER CREEK

0.40 W OF ANTIOCH ROAD, Greene, IN

Built 2013 Load: 90.7 t ADT: 110

CR 200W

Good

Over: EAST FORK OF MILL CREEK

00.50 N OF CR 200 S, Hendricks, IN

Built 2003 Load: 90.7 t ADT: 250

SCHAFFER ROAD

Good

Over: MILLER DITCH

00.61 E OF MEMERING ROAD, Knox, IN

Built 1991 Load: 90.7 t ADT: 130

TEETERS RD

Good

Over: W FORK CLEAR CREEK

00.17 E IN 37, Morgan, IN

Built 2016 Load: 90.7 t ADT: 300

CR 125S

Good

Over: Rock Creek

00.27 E of SR 263, Warren, IN

Built 1970 Load: 90.7 t ADT: 160

CR 900W

Good

Over: Little Creek

00.80 N of CR 300 N, Warren, IN

Built 1975 Load: 90.7 t ADT: 60

Kickapoo Rd

Good

Over: Branch of Kickapoo Creek

00.13 S of CR 250 N, Warren, IN

Built 2003 Load: 90.7 t ADT: 130

CR 900W

Good

Over: Leak Ditch

00.72 N of CR 650 N, Warren, IN

Built 1977 Load: 90.7 t ADT: 60

MT ZION CHURCH RD

Good

Over: JEFF BR S FORK BLUE R

01.70 S CONWAY CHURCH RD, Washington, IN

Built 2006 Load: 90.7 t ADT: 117

OLD SR 56

Good

Over: ELK CREEK

00.06 W of Elk Creek Road, Washington, IN

Built 2019 Load: 90.7 t ADT: 150

CR 1025E

Good

Over: TIMMONS DITCH

00.51 S CR 600 N, White, IN

Built 1992 Load: 90.7 t ADT: 100

CR 1250E

Good

Over: PIKE CREEK

00.70 S CR 400 N, White, IN

Built 1988 Load: 90.7 t ADT: 100

CR 700N

Good

Over: CARNAHAN DITCH NO 2

00.50 E CR 700 E, White, IN

Built 1980 Load: 90.7 t ADT: 120

Showing 17,601-17,650 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.