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

CSX RR

Unknown

Over: US 150

01.93 W US 40, Vigo, IN

Built 1929 ADT: 5,960

I-70 EB

Unknown

Over: ROBINSON ROAD

06.01 W US 41, Vigo, IN

Built 1964 ADT: 4,426

I-70 WB

Unknown

Over: ROBINSON ROAD

06.01 W US 41, Vigo, IN

Built 1964 ADT: 4,426

US 40 EB

Unknown

Over: I-70 WBL

05.57 W US 41, Vigo, IN

Built 1964 ADT: 10,845

DARWIN ROAD

Unknown

Over: I-70 WBL

03.44 W US 41, Vigo, IN

Built 1964 ADT: 22,532

I-70 EB

Unknown

Over: ACCESS ROAD & ABAN RR

02.95 W US 41, Vigo, IN

Built 1963 ADT: 75

I-70 WB

Unknown

Over: ACCESS ROAD & ABAN RR

02.95 W US 41, Vigo, IN

Built 1963 ADT: 75

I-70 EB

Unknown

Over: SR 63

00.83 W US 41, Vigo, IN

Built 1964 ADT: 12,350

I-70 WB

Unknown

Over: SR 63

00.83 W US 41, Vigo, IN

Built 1964 ADT: 12,801

I-70 EB

Unknown

Over: US 41 NBL

04.34 W SR 46, Vigo, IN

Built 1964 ADT: 21,300

I-70 WB

Unknown

Over: US 41 NBL

04.34 W SR 46, Vigo, IN

Built 1964 ADT: 21,300

I-70 EB

Unknown

Over: 7TH STREET

00.38 E US 41, Vigo, IN

Built 1964 ADT: 18,302

I-70 WB

Unknown

Over: 7TH STREET

00.38 E US 41, Vigo, IN

Built 1964 ADT: 18,302

I-70 EB

Unknown

Over: CANAL STREET

01.05 E US 41, Vigo, IN

Built 1964 ADT: 1,856

I-70 WB

Unknown

Over: CANAL STREET

01.05 E US 41, Vigo, IN

Built 1964 ADT: 1,856

I-70 EB

Unknown

Over: 25TH STREET

02.09 E US 41, Vigo, IN

Built 1964 ADT: 1,856

I-70 WB

Unknown

Over: 25TH STREET

02.09 E US 41, Vigo, IN

Built 1964 ADT: 1,856

FRUITRIDGE AVE

Unknown

Over: I-70 WB

01.45 W SR 46, Vigo, IN

Built 1964 ADT: 13,283

I-70 EB

Unknown

Over: WB CD TO SB SR 641

04.33 E US 41, Vigo, IN

Built 2015 ADT: 3,300

I-70 WB

Unknown

Over: SB SR 641

04.33 E US 41, Vigo, IN

Built 2017 ADT: 11,500

RIPLEY ROAD

Unknown

Over: I-70 EBL

02.02 E SR 46, Vigo, IN

Built 1967 ADT: 14,155

RIPLEY RD

Unknown

Over: I-70 WB

02.02 E SR 46, Vigo, IN

Built 1967 ADT: 14,155

I-70 EB

Unknown

Over: TABORTOWN STREET

04.22 E SR 46, Vigo, IN

Built 1967 ADT: 1,000

I-70 WB

Unknown

Over: TABORTOWN STREET

04.22 E SR 46, Vigo, IN

Built 1967 ADT: 220

SR 641 NB

Unknown

Over: US 41 SBL

04.62 S I-70, Vigo, IN

Built 2009 ADT: 18,478

SR 641 SB

Unknown

Over: US 41 NBL

04.62 S I-70, Vigo, IN

Built 2009 ADT: 18,478

SR 641 SB

Unknown

Over: WABASH-EATON RD

00.49 N US 41, Vigo, IN

Built 2009 ADT: 500

SR 641 NB

Unknown

Over: WABASH-EATON RD

00.49 N US-41, Vigo, IN

Built 2009 ADT: 500

SR 641 SB

Unknown

Over: WOODSMALL ROAD

01.18 N US-41, Vigo, IN

Built 2009 ADT: 500

SR 641 NB

Unknown

Over: WOODSMALL ROAD

01.18 N US-41, Vigo, IN

Built 2009 ADT: 500

SR 641 SB

Unknown

Over: MCDANIEL ROAD NBL

02.78 N US 41, Vigo, IN

Built 2009 ADT: 500

SR 641 NB

Unknown

Over: MCDANIEL ROAD NBL

02.78 N SR 41, Vigo, IN

Built 2009 ADT: 500

SR 641 SB

Unknown

Over: FEREE ROAD

03.18 N US 41, Vigo, IN

Built 2009 ADT: 500

SR 641 NB

Unknown

Over: FEREE ROAD

03.18 N US 41, Vigo, IN

Built 2009 ADT: 500

MOYER ROAD

Unknown

Over: SR 641 NBL

00.80 S I-70, Vigo, IN

Built 2015 ADT: 11,400

SR 46

Unknown

Over: SR 641 SB/NB

0.0 E SR 641, Vigo, IN

Built 2016 ADT: 6,320

FRONTAGE RD

Unknown

Over: FORT HARRISON RD

00.50 E 25TH ST, Vigo, IN

Built 1979 ADT: 105

NS RR (Marion)

Unknown

Over: US 24 WB

00.27 E SR 13, Wabash, IN

Built 1996 ADT: 5,639

FERRY ST

Unknown

Over: VERMONT ST

00.10 E ALENA ST, Wabash, IN

Built 1915 ADT: 115

US 41 SB

Unknown

Over: SR 63 SBL

00.49 S SR 63, Warren, IN

Built 1976 ADT: 2,295

SR 63 NB

Unknown

Over: CO RD 15

01.70 N SR 263, Warren, IN

Built 1976 ADT: 286

SR 63 SB

Unknown

Over: CO RD 15

01.70 N SR 263, Warren, IN

Built 1976 ADT: 286

N&S RR

Unknown

Over: SR 263

00.34 N SR 63, Warren, IN

Built 1958 ADT: 1,469

US 136

Unknown

Over: SR 63 SB

07.45 W I-74, Warren, IN

Built 1979 ADT: 2,600

SR 61

Unknown

Over: I-64 WBL

00.21 S SR 68, Warrick, IN

Built 1972 ADT: 8,539

SR 66 EB

Unknown

Over: HAUL ROAD

00.58 E SR 61, Warrick, IN

Built 2010 ADT: 200

SR 66 WB

Unknown

Over: HAUL ROAD

00.58 E SR 61, Warrick, IN

Built 1963 ADT: 200

SR 66 EB

Unknown

Over: CR 125W

02.95 E SR 61, Warrick, IN

Built 1976 ADT: 132

SR 66 WB

Unknown

Over: CR 125W

02.95 E SR 61, Warrick, IN

Built 1976 ADT: 132

SR 161

Unknown

Over: I-64 WBL

00.39 S SR 68, Warrick, IN

Built 1972 ADT: 7,830

Showing 2,001-2,050 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.