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 800E

Good

Over: CSX RR

00.40 S OF CR 100 N, Noble, IN

Built 2008 Load: 50.3 t ADT: 130

UNIVERSITY PKWY NB

Good

Over: LITTLE CREEK

00.45 N OF MARX RD, Vanderburgh, IN

Built 2011 Load: 50.3 t ADT: 3,207

UNIVERSITY PKWY SB

Good

Over: LITTLE CREEK

00.45 N OF MARX ROAD, Vanderburgh, IN

Built 2011 Load: 50.3 t ADT: 3,160

BELLE VISTA DR

Good

Over: FAIRFIELD DRAIN

00.30 W OLD TRAIL RD, Allen, IN

Built 2014 Load: 50.4 t ADT: 289

VILLAGE CREEK RD

Good

Over: VILLAGE CREEK

00.20 E of SR 1, Fayette, IN

Built 1992 Load: 50.4 t ADT: 275

FAIRBANKS STREET

Good

Over: TURKEY CREEK

00.60 N. of 73rd Ave, Lake, IN

Built 2016 Load: 50.4 t ADT: 7,860

CR 800W

Good

Over: LEATHERWOOD CREEK

00.28 S OF CR 500 N, Ripley, IN

Built 1986 Load: 50.4 t ADT: 100

JEFF ROAD

Good

Over: DICK DRAIN

00.01 E OF CR 500 W, Wells, IN

Built 2004 Load: 50.4 t ADT: 300

CR 600W

Good

Over: BIG RACCOON CREEK

00.50 N OF CR 300 S, Boone, IN

Built 2023 Load: 50.5 t ADT: 120

CR 600S

Good

Over: COBBS FORK SAND CREEK

00.10 W OF CR 200 E, Decatur, IN

Built 2021 Load: 50.5 t ADT: 110

OLD RIVER RD

Good

Over: MIDDLE CREEK

00.30 E OF HWY 111, Floyd, IN

Built 1999 Load: 50.5 t ADT: 421

DEADLEVEL RD

Good

Over: DITCH TO WHITE RIVER

01.40 W OF SALEM LANE, Gibson, IN

Built 1997 Load: 50.5 t ADT: 75

STANLEY ROAD

Good

Over: CLARKS CREEK

00.50 W OF SR 267, Hendricks, IN

Built 2020 Load: 50.5 t ADT: 1,275

RAMP TO I-465 SB

Good

Over: TRAIL

03.37 N I-65, Marion, IN

Built 2006 Load: 50.5 t ADT: 1,441

US 31

Good

Over: BUCK CREEK

01.16 S I-465, Marion, IN

Built 2011 Load: 50.5 t ADT: 36,625

N 20TH ST

Good

Over: N&S RR

0.4 MILES NORTH OF US 40, Wayne, IN

Built 1975 Load: 50.5 t ADT: 6,480

RIVER RD

Good

Over: HAMM INTERCEPTOR DRAIN

00.10 W OF STATE LINE ROA, Allen, IN

Built 2019 Load: 50.6 t ADT: 204

CR 75E

Good

Over: GREEN Creek

00.90 S of CR 850 S, Dubois, IN

Built 1995 Load: 50.6 t ADT: 281

CR 160S

Good

Over: No Name Ditch

00.20 W of CR 800 W, Dubois, IN

Built 2003 Load: 50.6 t ADT: 54

CR 400E

Good

Over: BRANDYWINE CREEK

00.34 S OF E 600 N, Hancock, IN

Built 1980 Load: 50.6 t ADT: 520

INDIAN LAKE BLVD

Good

Over: INDIAN CREEK

00.40 W OF SUNNYSIDE RD, Marion, IN

Built 1958 Load: 50.6 t ADT: 806

HARDING STREET

Good

Over: ORME DITCH

00.30 S OF SOUTHPORT RD, Marion, IN

Built 2019 Load: 50.6 t ADT: 3,858

CR 1100 SOUTH

Good

Over: CAMP RUN DITCH

00.20 E OF CR 700 E, Wells, IN

Built 1978 Load: 50.6 t ADT: 155

BIG BEAR RD

Good

Over: BEAR CREEK

00.10 N of CR 720 S, Fayette, IN

Built 1985 Load: 50.7 t ADT: 200

Red Brush Rd

Good

Over: Branch of Salt Creek

00.24 E of CR 450W, Jackson, IN

Built 1987 Load: 50.7 t ADT: 85

COLFAX STREET

Good

Over: BROWN DITCH

00.50 N of 231st AVE, Lake, IN

Built 2014 Load: 50.7 t ADT: 1,211

Frank Emge Rd

Good

Over: Big Creek

00.18 MI E OF CORBETT RD, Posey, IN

Built 2006 Load: 50.7 t ADT: 149

CR 750N

Good

Over: Jakes Ditch

00.02 W of CR 250 W, Tippecanoe, IN

Built 2007 Load: 50.7 t ADT: 101

CR 1000N

Good

Over: THREE MILE CREEK

00.20 E OF CR 300 W, Rush, IN

Built 2017 Load: 50.8 t ADT: 125

CR 225E

Good

Over: BR N FK LITTLE PIGEON CR

00.13 N of CR 1900 N, Spencer, IN

Built 1992 Load: 50.8 t ADT: 160

SR 32

Good

Over: ARTMAN DITCH

01.42 W US 421, Boone, IN

Built 2012 Load: 50.9 t ADT: 5,760

CR 450 W

Good

Over: HULL DITCH

00.10 N OF CR 350 N, Gibson, IN

Built 1995 Load: 50.9 t ADT: 100

POLK RD

Good

Over: UNT OF HOG CRREK

00.17 W OF RODGERS RD, Jefferson, IN

Built 2021 Load: 50.9 t ADT: 100

US 30 WB

Good

Over: DANNER DITCH

01.59 E SR 19, Kosciusko, IN

Built 1964 Load: 50.9 t ADT: 8,757

US 30 WB

Good

Over: ROBINSON DITCH

02.60 E SR 19, Kosciusko, IN

Built 1971 Load: 50.9 t ADT: 8,757

US 50

Good

Over: BRANCH LEATHERWOOD CREEK

03.01 E SR 37 / 450, Lawrence, IN

Built 2001 Load: 50.9 t ADT: 7,037

CR 400S

Good

Over: POPLAR RUN

00.80 MI W OF SR1, Randolph, IN

Built 2023 Load: 50.9 t ADT: 364

US 421

Good

Over: LAUGHERY CREEK

00.32 S SR 229, Ripley, IN

Built 2022 Load: 50.9 t ADT: 4,677

US 30 WB

Good

Over: EEL RIVER

01.15 E SR 205, Whitley, IN

Built 1962 Load: 50.9 t ADT: 13,174

CR 100 EAST

Good

Over: BLUE CREEK

0.10 MILES N OF CR 350 S, Adams, IN

Built 1995 Load: 51.0 t ADT: 110

CR 300E

Good

Over: HUMMEL CREEK

01.63 N HARRELD RD, Grant, IN

Built 1997 Load: 51.0 t ADT: 340

JASPER MCKEAIGG RD

Good

Over: GUTHRIE CREEK

00.54 N OF DIXON CHAPEL, Lawrence, IN

Built 2018 Load: 51.0 t ADT: 137

CR 300W

Good

Over: BRANCH OF INDIAN CREEK

00.40 N CR 500 N, Madison, IN

Built 2002 Load: 51.0 t ADT: 253

CR 600W

Good

Over: BRANCH SUGAR CREEK

01.40 S SR 32, Montgomery, IN

Built 1983 Load: 51.0 t ADT: 580

CR 1025E

Good

Over: BRANCH OF BIG RACCOON CR

00.10 N of SR 234, Montgomery, IN

Built 2001 Load: 51.0 t ADT: 60

CR 700 WEST

Good

Over: HARROLD DITCH

00.10 S OF CR 700 S, Wells, IN

Built 1992 Load: 51.0 t ADT: 100

ELMORE ST

Good

Over: DRY BRANCH CREEK

00.00 Int of MILL St, Montgomery, IN

Built 2005 Load: 51.1 t ADT: 920

Little York Rd

Good

Over: Branch of Elk Creek

00.29 E of N Rutherford R, Washington, IN

Built 1970 Load: 51.1 t ADT: 326

US 27

Good

Over: BORUM RUN

00.11 N US 33, Adams, IN

Built 1991 Load: 51.2 t ADT: 14,538

SR 14

Good

Over: INVERNESS POND

01.06 W I-69, Allen, IN

Built 2014 Load: 51.2 t ADT: 12,735

Showing 16,901-16,950 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.