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

TAMPICO PIKE

Good

Over: BRANCH OF GRASSY FORK

0.82 N OF CR 700 S, Jackson, IN

Built 1999 Load: 56.0 t ADT: 60

CR 700W

Good

Over: TRIB TO LITTLE OTTER CK

00.52 S OF HOPEWELL RD, Ripley, IN

Built 2003 Load: 56.0 t ADT: 140

CR 25 W

Good

Over: WEST FORK OF PIGEON CR

00.60 S OF CR 800 S, Gibson, IN

Built 2006 Load: 56.1 t ADT: 1,270

SR 39

Good

Over: UNT POND CREEK

1.72 S SR 250, Jackson, IN

Built 2023 Load: 56.1 t ADT: 920

BOWMAN RD

Good

Over: RHODES CREEK

00.06 S OF 500 N, Morgan, IN

Built 2023 Load: 56.1 t ADT: 270

SR 25 SB

Good

Over: N&S RR

11.10 N I-65, Tippecanoe, IN

Built 2010 Load: 56.1 t ADT: 12,479

CR 1100 NORTH

Good

Over: LAMBERT #1 DITCH

0.30 MILES W OF CR 650 W, Adams, IN

Built 1993 Load: 56.2 t ADT: 150

AUBURN ROAD

Good

Over: BELOT DRAIN

00.31 N. UNION CHAPEL RD., Allen, IN

Built 2020 Load: 56.2 t ADT: 5,730

CR 500N

Good

Over: MISSISSINEWA RIVER

01.60 mi W of SR 15, Grant, IN

Built 1972 Load: 56.2 t ADT: 1,160

CR 1000N

Good

Over: MCFADDEN DITCH

00.25 W OF SR 9, Hancock, IN

Built 2011 Load: 56.2 t ADT: 1,270

EAGLE TRACE DRIVE

Good

Over: AUBURN BRANCH

0.30 S OF CR 800 N, Johnson, IN

Built 1998 Load: 56.2 t ADT: 869

CROMWELL RD

Good

Over: SOLOMON CREEK

01.11 W OF LINCOLNWAY S, Noble, IN

Built 1991 Load: 56.3 t ADT: 680

CR 75 E

Good

Over: BURR CREEK

00.50 N OF CR 250 S, Wabash, IN

Built 2018 Load: 56.3 t ADT: 250

I-65 NB

Good

Over: ABANDONED RR

00.09 S US 31 SBL, Clark, IN

Built 2001 Load: 56.4 t ADT: 43,236

I-65 SB

Good

Over: ABANDONED RR

00.09 S US 31 SBL, Clark, IN

Built 2001 Load: 56.4 t ADT: 43,236

WERNSING RD

Good

Over: SENG DITCH

00.10 N of DIVISION Rd., Dubois, IN

Built 2019 Load: 56.4 t ADT: 3,000

GRAF RD

Good

Over: BR OF WHITEWATER RIVER

00.50 E of CAMPGROUND RD, Franklin, IN

Built 2011 Load: 56.4 t ADT: 100

SR 9

Good

Over: WILLIAMSON DITCH

01.69 S US 40, Hancock, IN

Built 2005 Load: 56.4 t ADT: 8,127

STOVE ROAD

Good

Over: S FORK LEATHERWOOD CR

00.22 N OF US 50, Lawrence, IN

Built 2018 Load: 56.4 t ADT: 137

SR 16

Good

Over: WEESAU CREEK

02.92 E US 31, Miami, IN

Built 2022 Load: 56.4 t ADT: 806

BIG HURRCANE RD

Good

Over: BRANCH LAMBS CREEK

00.20 W S MOSIER RD, Morgan, IN

Built 2016 Load: 56.4 t ADT: 630

SHOTGUN LANE

Good

Over: BLACK RIVER

00.67 MI S of CO. LINE RD, Posey, IN

Built 2020 Load: 56.4 t ADT: 162

CR 800N

Good

Over: CLEAR CREEK

00.80 E of CR 725 E, Putnam, IN

Built 2019 Load: 56.4 t ADT: 130

ANTWERP ROAD

Good

Over: HAMM INTERCEPTOR DRAIN

00.20 W STATE LINE ROAD, Allen, IN

Built 2019 Load: 56.5 t ADT: 800

CR 400 EAST

Good

Over: FIELD RUNOFF

00.60 S OF CR 1100 S, Cass, IN

Built 1989 Load: 56.5 t ADT: 130

SMITHFIELD PIKE

Good

Over: MUD CREEK

00.15 W of CR 550 E, Delaware, IN

Built 2005 Load: 56.5 t ADT: 1,130

LONGWOOD LN

Good

Over: SOLOMON CREEK

00.93 S OF GRAND ARMY OF, Noble, IN

Built 1991 Load: 56.5 t ADT: 350

MILL Rd

Good

Over: Branch of Big RACCOON Cr

00.10 S of FERNDALE Rd, Parke, IN

Built 1965 Load: 56.5 t ADT: 92

I-90 EB

Good

Over: PIGEON RIVER

05.24 E SR 13, LaGrange, IN

Built 1956 Load: 56.7 t ADT: 10,930

I-90 WB

Good

Over: PIGEON RIVER

05.24 E SR 13, LaGrange, IN

Built 1956 Load: 56.7 t ADT: 10,930

ROUTE H-24

Good

Over: TRIBUTARY OF BOGGS CREEK

0.5 KM S OF H-21A, Martin, IN

Built 2014 Load: 56.7 t ADT: 100

TAYLOR HOLLOW Rd

Good

Over: ANDERSON River

00.10 W of SR 145, Dubois, IN

Built 1986 Load: 56.8 t ADT: 119

CR 300S

Good

Over: UNNAMED CREEK

00.25 E OF S 600 E, Hancock, IN

Built 2011 Load: 56.8 t ADT: 1,030

CR 500N

Good

Over: BRANDYWINE CREEK

00.15 E OF 700 E, Hancock, IN

Built 2007 Load: 56.8 t ADT: 820

PFEIFFER RD

Good

Over: BIG CREEK

01.08 MI NW of BOBERG RD, Posey, IN

Built 2012 Load: 56.9 t ADT: 245

CR 700E

Good

Over: LONG DRAIN

00.10 N CR 1000 S, Whitley, IN

Built 2012 Load: 56.9 t ADT: 150

RIVER Rd

Good

Over: SULPHER Creek

01.10 W of CR 500 E, Clay, IN

Built 2022 Load: 57.0 t ADT: 94

US 52

Good

Over: WHITEWATER RIVER

04.43 E SR 1 E JCT, Franklin, IN

Built 2017 Load: 57.0 t ADT: 3,642

SR 42

Good

Over: S FK LOST CREEK

00.57 E SR 46/US 40, Vigo, IN

Built 2014 Load: 57.0 t ADT: 8,000

CR 5

Good

Over: BLACK CREEK

00.20 S OF CR 68, DeKalb, IN

Built 1991 Load: 57.1 t ADT: 100

WALLEN RD

Good

Over: BENWARD MAIN

00.10 E JOHNSON, Allen, IN

Built 2002 Load: 57.2 t ADT: 433

CR 400S

Good

Over: ELL Creek

00.70 W of ELL CREEK Rd, Dubois, IN

Built 1999 Load: 57.2 t ADT: 141

CR 1000 E

Good

Over: BLACK RIVER

00.50 S OF CEDAR GROVE RD, Gibson, IN

Built 2012 Load: 57.2 t ADT: 65

CR 1050S

Good

Over: FLATROCK RIVER

00.10 E OF RIVER RD, Rush, IN

Built 1998 Load: 57.2 t ADT: 100

SR 46

Good

Over: LITTLE LAUGHERY CREEK

01.22 W SR 229, Franklin, IN

Built 2020 Load: 57.3 t ADT: 3,843

TEE RD

Good

Over: RACCOON BRANCH

00.20 S OF SR 335, Harrison, IN

Built 2018 Load: 57.3 t ADT: 513

SR 250

Good

Over: UNT HOUGH CREEK

SR 250 1.40 E US 50, Jackson, IN

Built 2018 Load: 57.3 t ADT: 2,502

PINE BLUFF ROAD

Good

Over: MILLER DITCH

00.56 N OF STATE ROAD 67, Knox, IN

Built 2020 Load: 57.3 t ADT: 157

STRONG ROAD

Good

Over: MISSISSINEWA RIVER

00.20 NNE EDGEWATER RD, Delaware, IN

Built 2016 Load: 57.5 t ADT: 870

OLD SR 252

Good

Over: LEWIS CREEK

04.51 E I-65, Shelby, IN

Built 1989 Load: 57.6 t ADT: 3,280

Showing 17,201-17,250 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.