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

I-69 NB

Good

Over: LITTLE INDIAN CREEK

02.84 S SR 39, Morgan, IN

Built 2018 Load: 51.8 t ADT: 14,202

CR 250E

Good

Over: LITTLE CALUMET RIVER

00.30 N CR 1225 N, Porter, IN

Built 2023 Load: 51.8 t ADT: 3,220

CR 25W

Good

Over: SOUTH RAMP CREEK

00.01 N of CR 850 N, Putnam, IN

Built 2016 Load: 51.8 t ADT: 130

SR 56

Good

Over: BROCK CREEK

00.20 W SR 135, Washington, IN

Built 2023 Load: 51.8 t ADT: 15,120

SHOCKLEY ROAD

Good

Over: BUCK CREEK

00.30 E of SR 3, Delaware, IN

Built 1963 Load: 51.9 t ADT: 200

CR 500N

Good

Over: BIRCH Creek

00.30 E of CR 700 W, Dubois, IN

Built 1995 Load: 51.9 t ADT: 118

CR 1100S

Good

Over: SUGAR CREEK

01.20 W SR 109, Madison, IN

Built 1998 Load: 51.9 t ADT: 281

10TH ST

Good

Over: INDPLS WATER CO CANAL

00.12 E OF MLK JR ST, Marion, IN

Built 2000 Load: 51.9 t ADT: 8,406

CR 400S

Good

Over: BILGER DITCH

00.23 W OF CR 1000 E, Noble, IN

Built 2013 Load: 51.9 t ADT: 380

OLD PETERSBURG RD

Good

Over: SCHLENSKER DITCH

00.90 N BNVL-NEW HRM RD, Vanderburgh, IN

Built 1993 Load: 51.9 t ADT: 3,113

MARTIN RD

Good

Over: W FORK OF E FK/WHTWTR R

00.10 W of ARBA Pk, Wayne, IN

Built 2008 Load: 51.9 t ADT: 407

GRANDVIEW DRIVE

Good

Over: CROOKED CREEK

00.55 S OF WESTLANE RD, Marion, IN

Built 1966 Load: 52.0 t ADT: 11,402

N. WALLNUT STREET

Good

Over: MUD CREEK

00.07 N of SR 28, Delaware, IN

Built 2003 Load: 52.1 t ADT: 740

57TH ST

Good

Over: CROOKED CREEK

00.05 E OF MICHIGAN RD, Marion, IN

Built 1965 Load: 52.1 t ADT: 1,443

BRYANTS CREEK RD

Good

Over: BRYANTS CREEK

00.18 S OF PARAGON ROAD, Morgan, IN

Built 2005 Load: 52.1 t ADT: 120

BAKER HOLLOW RD

Good

Over: NORTH BRANCH WOLF CREEK

00.37 W OF CR 700 W, Bartholomew, IN

Built 2003 Load: 52.2 t ADT: 380

SR 164

Good

Over: BRANCH HALL CREEK

01.32 W SR 545, Dubois, IN

Built 2020 Load: 52.2 t ADT: 2,800

SR 57

Good

Over: PIGEON CREEK

01.45 N SR 68, Gibson, IN

Built 2001 Load: 52.2 t ADT: 7,984

SR 18

Good

Over: NS RR (GM Spur)

02.07 W SR 9, Grant, IN

Built 1956 Load: 52.2 t ADT: 5,971

BASCOM CORNER Rd

Good

Over: Arnold Creek

00.00 Int of WHITE Rd, Ohio, IN

Built 2007 Load: 52.2 t ADT: 100

SR 331

Good

Over: WILLOW CREEK

03.59 N US 20, St. Joseph, IN

Built 2006 Load: 52.2 t ADT: 23,899

I-65 SB

Good

Over: BURNETT CREEK

00.77 N SR 43, Tippecanoe, IN

Built 1968 Load: 52.2 t ADT: 45,595

SR 68

Good

Over: MOORE DITCH

02.75 W SR 161, Warrick, IN

Built 1997 Load: 52.2 t ADT: 1,135

GIESKING RD

Good

Over: JAMES T JOHNSON DRAIN

01.50 E US 33, Allen, IN

Built 1980 Load: 52.3 t ADT: 108

CR 369 EAST

Good

Over: MISSISSINEWA RIVER

00.08 N of GREGORY Rd, Delaware, IN

Built 1986 Load: 52.3 t ADT: 70

MARIAH HILL Rd

Good

Over: HALO Run

00.80 SW of CR 1100 S, Dubois, IN

Built 2004 Load: 52.3 t ADT: 162

JAMES RD

Good

Over: S BRANCH OF GARRISON CR

00.00 INT. GARRISON RD, Fayette, IN

Built 1999 Load: 52.3 t ADT: 100

CR 350E

Good

Over: BRANCH OF BUFFALO CREEK

00.30 S of SR 234, Fountain, IN

Built 1980 Load: 52.3 t ADT: 100

CRANDALL BRANCH RD

Good

Over: CRANDALL BRANCH

00.20 W OF EMILY RD, Harrison, IN

Built 1991 Load: 52.3 t ADT: 170

18TH RD

Good

Over: CHARLES PFIEFER DITCH

00.40 W OF HICKORY, Marshall, IN

Built 1989 Load: 52.3 t ADT: 125

CR 925S

Good

Over: VESTAL BRANCH

00.43 E OF CR 225 W, Ripley, IN

Built 1995 Load: 52.3 t ADT: 150

LIBERTY PIKE

Good

Over: TEMPLETON CREEK

01.20 N OF CR 750 S, Union, IN

Built 1996 Load: 52.3 t ADT: 200

CR 1025 S

Good

Over: HURRICANE CREEK

00.80 E OF US 41, Gibson, IN

Built 2013 Load: 52.4 t ADT: 135

SR 218

Good

Over: WAGLEY FARLOW DITCH

04.06 E US 27, Adams, IN

Built 1983 Load: 52.5 t ADT: 1,526

SR 1

Good

Over: MARTIN DITCH

00.63 N I-69, Allen, IN

Built 2009 Load: 52.5 t ADT: 16,275

Elmwood Dr

Good

Over: Small Reynolds Ditch

00.10 N of Ulen Blvd, Boone, IN

Built 2023 Load: 52.5 t ADT: 100

SR 234

Good

Over: BUCK CREEK

03.02 E US 36, Hancock, IN

Built 2004 Load: 52.5 t ADT: 3,826

DEEP CUT LAKE ROAD

Good

Over: S FORK OF BEAVER CREEK

0.10 N OF SR 650, Martin, IN

Built 2020 Load: 52.5 t ADT: 99

SR 234

Good

Over: TRIBUTARY OF INDIAN CREE

00.20 W US 231, Montgomery, IN

Built 2005 Load: 52.5 t ADT: 620

I-94 EB

Good

Over: LITTLE CALUMET RIVER

01.54 W SR 49, Porter, IN

Built 1969 Load: 52.5 t ADT: 40,081

I-94 WB

Good

Over: LITTLE CALUMET RIVER

01.54 W SR 49, Porter, IN

Built 1969 Load: 52.5 t ADT: 80,516

Bufkin Springfield

Good

Over: BRANCH BIG CREEK

00.25 MI N of COPPER LINE, Posey, IN

Built 2002 Load: 52.5 t ADT: 172

SR 25 NB

Good

Over: NO NAME CREEK

09.80 N I-65, Tippecanoe, IN

Built 2013 Load: 52.5 t ADT: 12,479

CR 50N

Good

Over: POLYWOG CREEK

00.30 MI E OF CR 700 E, Tipton, IN

Built 2014 Load: 52.5 t ADT: 100

CR 600S

Good

Over: Branch of Big Slough Cr

00.05 W of CR 600 W, Clay, IN

Built 1995 Load: 52.6 t ADT: 119

CR 450N

Good

Over: PATOKA River

00.70 W of CUZCO Rd S, Dubois, IN

Built 1996 Load: 52.6 t ADT: 43

185TH AVENUE

Good

Over: TRIBUTARY TO WEST CREEK

02.02 W. US-41, Lake, IN

Built 2019 Load: 52.6 t ADT: 422

CR 650E

Good

Over: LITTLE DEER CREEK

00.20 S of SR 240, Putnam, IN

Built 2017 Load: 52.6 t ADT: 540

KEISER ROAD

Good

Over: MOWERY DRAIN

00.30 E CR 275 W, Whitley, IN

Built 2008 Load: 52.6 t ADT: 250

US 33

Good

Over: BENWARD DITCH

03.24 N US 30, Allen, IN

Built 2010 Load: 52.8 t ADT: 10,901

Showing 17,001-17,050 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.