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

Water Tank Rd

Good

Over: Branch of Black River

01.15 MI W of Cleveland R, Posey, IN

Built 2002 Load: 47.8 t ADT: 172

CR 300S

Good

Over: GRAHAM CREEK

00.42 E OF CR 200 W, Ripley, IN

Built 1985 Load: 47.8 t ADT: 150

MARSHFIELD RD

Good

Over: FLAT CREEK

00.14 E OF MAIN ST, Scott, IN

Built 1997 Load: 47.8 t ADT: 320

CR 400N

Good

Over: TURKEY CREEK

00.30 E OF CR 200 E, Tipton, IN

Built 1970 Load: 47.8 t ADT: 250

MOYER DRIVE

Good

Over: LITTLE HONEY CREEK

00.10 W SR 46, Vigo, IN

Built 2015 Load: 47.8 t ADT: 1,316

CR 700S

Good

Over: NORTH FORK LEWIS CREEK

00.25 W OF CR 25 E, Shelby, IN

Built 2015 Load: 47.9 t ADT: 150

CR 425W

Good

Over: GRASSY BRANCH

0.02 S CR 625S, Boone, IN

Built 2023 Load: 48.0 t ADT: 50

CR 1100S

Good

Over: ROCK CREEK

00.00 W OF CR 150 W, Decatur, IN

Built 2019 Load: 48.0 t ADT: 360

SR 327

Good

Over: DIEHL DITCH

01.53 N SR 8, DeKalb, IN

Built 1984 Load: 48.0 t ADT: 2,220

CR 150E

Good

Over: BRANCH OF WHITEWATER R

00.10 S of CR 150 N, Fayette, IN

Built 2012 Load: 48.0 t ADT: 275

CR 75 NORTH

Good

Over: BR OF GOOSE POND DITCH

0.30 E OF CR 1375 W, Greene, IN

Built 2020 Load: 48.0 t ADT: 1,493

I-80/ I-94 EB

Good

Over: CFE RR

00.57 W I-65, Lake, IN

Built 2009 Load: 48.0 t ADT: 85,710

3RD STREET

Good

Over: LAKE GEORGE & TRAIL

00.10 W. of MAIN STREET, Lake, IN

Built 2020 Load: 48.0 t ADT: 5,681

CARROLL ROAD

Good

Over: DOE CREEK

01.30 N THOMPSON RD, Marion, IN

Built 1995 Load: 48.0 t ADT: 3,510

SARE ROAD

Good

Over: JACKSON CREEK

0.3 MI SOUTH OF MOORES PK, Monroe, IN

Built 1975 Load: 48.0 t ADT: 8,986

BURCH ROAD

Good

Over: INDIAN CREEK

0.2 MI. S. OF SPARKS ROAD, Monroe, IN

Built 1983 Load: 48.0 t ADT: 163

I-74 WB

Good

Over: BLACK CREEK

01.11 W US 231, Montgomery, IN

Built 1964 Load: 48.0 t ADT: 8,770

SR 37 SB

Good

Over: SARTOR DITCH

1.41 S SR 252, Morgan, IN

Built 2021 Load: 48.0 t ADT: 17,100

SR 229

Good

Over: LITTLE LAUGHERY CREEK

03.81 S SR 46, Ripley, IN

Built 1996 Load: 48.0 t ADT: 921

US 27

Good

Over: INDIAN CREEK

05.26 S SR 44, Union, IN

Built 1992 Load: 48.0 t ADT: 3,278

SR 263

Good

Over: HALL BRANCH

04.98 N SR 63, Warren, IN

Built 1938 Load: 48.0 t ADT: 810

CR 300E

Good

Over: HOG CREEK

00.20 N of Ashboro Rd, Clay, IN

Built 2005 Load: 48.1 t ADT: 119

CR 900S

Good

Over: INDIAN-KENTUCK CREEK

00.01 W CR 75 W, Ripley, IN

Built 1994 Load: 48.1 t ADT: 150

CR 350W

Good

Over: EEL RIVER

00.40 S SR 205, Whitley, IN

Built 1977 Load: 48.1 t ADT: 100

STONES HILL RD

Good

Over: SOLOMON CREEK

01.44 W OF LINCOLNWAY S, Noble, IN

Built 1991 Load: 48.2 t ADT: 740

Darnell School Rd

Good

Over: Castleberry Creek

00.37 MI E of DAVIS RD, Posey, IN

Built 1997 Load: 48.2 t ADT: 149

SR 352

Good

Over: LEUCK DITCH

03.05 W US 41, Benton, IN

Built 1947 Load: 48.3 t ADT: 490

SR 32

Good

Over: HIGGINS (OWENS) DITCH

00.17 W SR 75, Boone, IN

Built 1983 Load: 48.3 t ADT: 7,529

SYCAMORE STREET

Good

Over: EAGLE CREEK AND TRAIL

00.81 W OF US 421, Boone, IN

Built 1955 Load: 48.3 t ADT: 13,150

SR 218

Good

Over: GOVERNMENT DITCH

02.00 W US 31, Cass, IN

Built 2020 Load: 48.3 t ADT: 1,933

WIESEKA HILL RD

Good

Over: LITTLE INDIAN CREEK

01.00 E BOOK RD, Clark, IN

Built 2015 Load: 48.3 t ADT: 780

CR 875E

Good

Over: JORDAN CREEK

00.60 S Telgemeyer Rd, Clay, IN

Built 2022 Load: 48.3 t ADT: 94

SR 121

Good

Over: FALL CREEK

03.62 S SR 44, Fayette, IN

Built 1968 Load: 48.3 t ADT: 2,146

CR 500E

Good

Over: TIPPEY DITCH

02.00 N SR 18, Grant, IN

Built 1996 Load: 48.3 t ADT: 530

SR 39

Good

Over: ROSS DITCH

00.34 S US 136, Hendricks, IN

Built 1985 Load: 48.3 t ADT: 6,260

SR 9

Good

Over: PRAIRIE CREEK

00.75 S SR 124, Huntington, IN

Built 1965 Load: 48.3 t ADT: 2,951

I-80/I-94 EB

Good

Over: LT CALUMET RIV, MONON TR

00.54 W US 41, Lake, IN

Built 2007 Load: 48.3 t ADT: 150,742

I-80/I-94 WB

Good

Over: LT CALUMET RIV, MONON TR

00.54 W US 41, Lake, IN

Built 2007 Load: 48.3 t ADT: 60,000

SR 246

Good

Over: WEST FORK FISH CREEK

02.94 W SR 46, Owen, IN

Built 1986 Load: 48.3 t ADT: 1,370

SR 47

Good

Over: TURKEY RUN

01.60 N US 41, Parke, IN

Built 1977 Load: 48.3 t ADT: 1,530

CR 1200E

Good

Over: CONRAIL RR

00.90 S of CR 1000 S, Parke, IN

Built 2014 Load: 48.3 t ADT: 59

CR 650E

Good

Over: BRANCH LICK CREEK

00.10 N CR 250 S, Pike, IN

Built 2023 Load: 48.3 t ADT: 84

SR 130

Good

Over: SALT CREEK

01.00 W SR 149, Porter, IN

Built 1932 Load: 48.3 t ADT: 9,572

CR 1050N

Good

Over: COFFEE CREEK

00.30 E JCT SR 49, Porter, IN

Built 1997 Load: 48.3 t ADT: 1,720

CR 800 SOUTH

Good

Over: BOGUS RUN

00.02 E OF CR 200 W, Starke, IN

Built 2017 Load: 48.3 t ADT: 850

OLD STATE RD

Good

Over: BRANCH LITTLE PIGEON CR

00.60 N OF CAMP GROUND RD, Vanderburgh, IN

Built 2019 Load: 48.3 t ADT: 5,622

LITTLE YORK/S-BURG

Good

Over: HONEY CREEK

00.40 E of SR 39, Washington, IN

Built 2001 Load: 48.3 t ADT: 338

CR 3

Good

Over: LITTLE CEDAR CREEK

00.20 S OF CR 48, DeKalb, IN

Built 1989 Load: 48.4 t ADT: 100

HILLHAM RdS

Good

Over: DAVIS Creek

00.10 S of SR 56, Dubois, IN

Built 1996 Load: 48.4 t ADT: 55

E OHIO STREET

Good

Over: OUTER OHIO DITCH

01.00 E OF MAIN STREET, Gibson, IN

Built 2011 Load: 48.4 t ADT: 240

Showing 16,701-16,750 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.