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 200W

Unknown

Over: I-74 WBL

01.71 W SR 39, Hendricks, IN

Built 1963 ADT: 9,950

CR 75E

Unknown

Over: I-74 EBL

01.64 E SR 39, Hendricks, IN

Built 1960 ADT: 8,064

CR 275E

Unknown

Over: I-74 WB

03.67 E SR 39, Hendricks, IN

Built 1960 ADT: 11,070

CR 500E

Unknown

Over: I-74 EB

02.85 W SR 267, Hendricks, IN

Built 1960 ADT: 18,525

I-74 EBL

Unknown

Over: SR 267 NB

07.37 W I-465, Hendricks, IN

Built 1959 ADT: 12,065

I-74 WBL

Unknown

Over: SR 267 NB

07.37 W I-465, Hendricks, IN

Built 1959 ADT: 12,065

CR 600N/56TH ST

Unknown

Over: I-74 EBL

01.17 E SR 267, Hendricks, IN

Built 1959 ADT: 28,605

CR 1000E/HUNTER RD

Unknown

Over: I-74 EB

02.96 E SR 267, Hendricks, IN

Built 1959 ADT: 24,961

COUNTY LINE RD

Unknown

Over: I-74 WB

03.32 W I-465, Hendricks, IN

Built 1959 ADT: 28,605

RONALD REAGAN PKWY

Unknown

Over: I-74 EBL

02.38 E SR-267, Hendricks, IN

Built 2008 ADT: 28,605

RONALD REAGAN PKWY

Unknown

Over: MAIN ROAD

00.20 S US 36, Hendricks, IN

Built 2012 ADT: 200

ABANDONED RR

Unknown

Over: SR 3

00.16 N SR 38, Henry, IN

Built 1994 ADT: 14,401

US 36

Unknown

Over: SR 3 NBL

02.02 W SR 103, Henry, IN

Built 1960 ADT: 5,626

SR 103

Unknown

Over: I-70 EBL

03.16 N US-40, Henry, IN

Built 1964 ADT: 17,472

SR 109

Unknown

Over: I-70 WBL & OFF RAMP

03.58 N US 40, Henry, IN

Built 1965 ADT: 18,005

GRANT CITY ROAD

Unknown

Over: I-70 WBL

00.74 E SR 109, Henry, IN

Built 1965 ADT: 18,005

KENNARD ROAD

Unknown

Over: I-70 EBL

02.15 E SR-109, Henry, IN

Built 1965 ADT: 18,005

GREENSBORO PIKE

Unknown

Over: I-70 WBL

03.27 E SR 109, Henry, IN

Built 1965 ADT: 18,005

CR 350W

Unknown

Over: I-70 EBL

02.32 W SR 3, Henry, IN

Built 1965 ADT: 18,005

I-70 EB

Unknown

Over: OLD SPICELAND ROAD

01.54 W SR 3, Henry, IN

Built 1965 ADT: 132

I-70 WB

Unknown

Over: OLD SPICELAND ROAD

01.54 W SR 3, Henry, IN

Built 1965 ADT: 132

I-70 EB

Unknown

Over: SR3 SBL

07.75 E SR 109, Henry, IN

Built 1964 ADT: 6,385

I-70 WB

Unknown

Over: SR 3 SBL

07.75 E SR 109, Henry, IN

Built 1964 ADT: 6,385

CR 25W

Unknown

Over: I-70 EBL

01.12 E SR 3, Henry, IN

Built 1964 ADT: 18,005

CR 400E

Unknown

Over: I-70 EBL

02.28 E SR-103, Henry, IN

Built 1964 ADT: 18,005

WILBUR WRIGHT RD

Unknown

Over: I-70 EBL

04.81 E SR 103, Henry, IN

Built 2018 ADT: 16,700

I-70 EB

Unknown

Over: CO RD 725 E

05.50 W SR-1, Henry, IN

Built 1965 ADT: 132

I-70 WB

Unknown

Over: CO RD 725 E

05.50 W SR 1, Henry, IN

Built 1965 ADT: 132

US 35

Unknown

Over: OLD US 35 NB (DAVIS RD)

01.89 N US 31, Howard, IN

Built 1970 ADT: 1,361

CR 50N

Unknown

Over: US 31 SB

00.67 N US 35, Howard, IN

Built 2010 ADT: 15,000

CR 100S

Unknown

Over: US 31 SB

01.00 S US-35, Howard, IN

Built 2010 ADT: 9,273

CR 200S

Unknown

Over: US 31 NB

02.25 N SR 26, Howard, IN

Built 2009 ADT: 9,742

CR 500S

Unknown

Over: US 31 SB

1.47 S SR 26, Howard, IN

Built 2014 ADT: 7,853

CR 600N

Unknown

Over: US 31 NB

02.00 S SR 26, Howard, IN

Built 2014 ADT: 14,323

CR 200N

Unknown

Over: US 31 SB

02.00 N US 35, Howard, IN

Built 2011 ADT: 10,000

US 31 NB

Unknown

Over: CR 300S/CENTER RD

01.19 N SR 26, Howard, IN

Built 2012 ADT: 2,000

US 31 SB

Unknown

Over: CR 300S/CENTER RD

01.19 N SR 26, Howard, IN

Built 2012 ADT: 3,805

SR 26

Unknown

Over: US 31 NBL

01.85 E US 31, Howard, IN

Built 2012 ADT: 16,000

TOUBY PIKE

Unknown

Over: US 31 SB

01.36 S US 35, Howard, IN

Built 2013 ADT: 8,300

US 31 NB

Unknown

Over: US35/SR22 EB

04.50 N SR 26, Howard, IN

Built 2013 ADT: 6,222

US 31 SB

Unknown

Over: US 35/SR 22 EB

04.50 N SR 26, Howard, IN

Built 2013 ADT: 6,222

US 31 NB

Unknown

Over: CR 100N

01.24 N US 35, Howard, IN

Built 2013 ADT: 5,440

US 31 SB

Unknown

Over: CR 100 N

01.24 N US 35, Howard, IN

Built 2013 ADT: 5,440

US 35 NB/CR 400 N

Unknown

Over: US 31 NB

01.40 S SR 931, Howard, IN

Built 2013 ADT: 8,163

SR 931 NB RAMP

Unknown

Over: US 31 SB

00.48 S SR 931, Howard, IN

Built 2013 ADT: 8,572

US 31 NB

Unknown

Over: CR 125 E

0.6 S SR 26, Howard, IN

Built 2014 ADT: 500

US 31 SB

Unknown

Over: CR 125E

0.6 S SR 26, Howard, IN

Built 2014 ADT: 500

CR 300 W

Unknown

Over: GRAVEL PIT RD

00.30 N CR 50 S, Howard, IN

Built 1968 ADT: 20

DEFENBAUGH ST

Unknown

Over: LOCAL PLANT PASS R

00.10 E BELMONT STREET, Howard, IN

Built 1970 ADT: 2

SR 9

Unknown

Over: US 24 WB

03.55 N US 24, Huntington, IN

Built 1965 ADT: 7,666

Showing 651-700 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.