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

Unknown

Over: WEINBACH AVENUE

00.82 E US 41, Vanderburgh, IN

Built 1989 ADT: 118

I-69 WB

Unknown

Over: WEINBACH AVENUE

00.82 E US 41, Vanderburgh, IN

Built 1989 ADT: 118

I-69 NB

Unknown

Over: GREEN RIVER ROAD

02.71 W SR 662, Vanderburgh, IN

Built 1988 ADT: 6,555

I-69 SB

Unknown

Over: GREEN RIVER ROAD

02.71 W SR 662, Vanderburgh, IN

Built 1988 ADT: 6,555

I-69 NB

Unknown

Over: POLLACK AVENUE

01.39 W SR 662, Vanderburgh, IN

Built 1988 ADT: 118

I-69 SB

Unknown

Over: POLLACK AVENUE

01.39 W SR 662, Vanderburgh, IN

Built 1988 ADT: 118

I-69 NB

Unknown

Over: FUQUAY ROAD

00.78 W SR 662, Vanderburgh, IN

Built 1988 ADT: 118

I-69 SB

Unknown

Over: FUQUAY ROAD

00.78 W SR 662, Vanderburgh, IN

Built 1988 ADT: 118

I-69 NB

Unknown

Over: SR 662/COVERT AVENUE

01.50 S SR 66, Vanderburgh, IN

Built 1989 ADT: 18,636

I-69 SB

Unknown

Over: SR 662

01.50 S SR 66, Vanderburgh, IN

Built 1989 ADT: 18,636

I-69 NB

Unknown

Over: OUTER LINCOLN AVENUE

00.52 S SR 66, Vanderburgh, IN

Built 1989 ADT: 118

I-69 SB

Unknown

Over: OUTER LINCOLN AVENUE

00.52 S SR 66, Vanderburgh, IN

Built 1989 ADT: 118

I-69 NB

Unknown

Over: SR 66 EB

01.55 S SR 62, Vanderburgh, IN

Built 1989 ADT: 19,108

I-69 SB

Unknown

Over: SR 66 WB

01.55 S SR 62, Vanderburgh, IN

Built 1989 ADT: 19,108

OAK GROVE ROAD

Unknown

Over: I-69 NB

00.41 S SR 62, Vanderburgh, IN

Built 1987 ADT: 12,580

I-69 NB

Unknown

Over: SR 62 WB

01.55 N SR 66, Vanderburgh, IN

Built 1987 ADT: 9,805

I-69 SB

Unknown

Over: SR 62 WB

01.55 N SR 66, Vanderburgh, IN

Built 1987 ADT: 9,805

OLD BOONVILLE ROAD

Unknown

Over: I-69 NB

00.55 N SR 62, Vanderburgh, IN

Built 1988 ADT: 14,821

LYNCH ROAD EB

Unknown

Over: I-69 SB

01.14 N SR 62, Vanderburgh, IN

Built 2002 ADT: 12,620

LYNCH ROAD WB

Unknown

Over: I-69 SB

01.14 N SR 62, Vanderburgh, IN

Built 2002 ADT: 18,910

I-69 NB

Unknown

Over: OLMSTEAD ROAD

02.11 N SR 62, Vanderburgh, IN

Built 1987 ADT: 118

I-69 SB

Unknown

Over: OLMSTEAD ROAD

02.11 N SR 62, Vanderburgh, IN

Built 1987 ADT: 118

I-69 NB

Unknown

Over: MILLERSBURG ROAD

03.60 N SR 62, Vanderburgh, IN

Built 1987 ADT: 118

I-69 SB

Unknown

Over: MILLERSBURG ROAD

03.60 N SR 62, Vanderburgh, IN

Built 1987 ADT: 118

BOONVILLE-N/HARM

Unknown

Over: I-69 SB

05.53 S I-64, Vanderburgh, IN

Built 1987 ADT: 12,020

I-69 NB

Unknown

Over: BASE LINE RD

03.30 S I-64, Vanderburgh, IN

Built 1989 ADT: 132

I-69 SB

Unknown

Over: BASE LINE RD

03.30 S I-64, Vanderburgh, IN

Built 1989 ADT: 132

NB RAMP TO SR 57

Unknown

Over: I-69 SB

02.41 S I-64, Vanderburgh, IN

Built 1989 ADT: 11,205

SR 57 NB RAMP

Unknown

Over: I-69 NB

02.12 S I-64, Vanderburgh, IN

Built 1988 ADT: 11,205

CR 800N

Unknown

Over: I-69 NB

01.29 S I-64, Vanderburgh, IN

Built 1988 ADT: 13,307

CR 900N

Unknown

Over: I-69 SB

00.29 S I-64, Vanderburgh, IN

Built 1989 ADT: 8,155

NOBLES CHAPEL RD

Unknown

Over: I-69 SBL

00.44 N I-64, Vanderburgh, IN

Built 2009 ADT: 8,000

SR 62

Unknown

Over: FULTON AVENUE

2.05 W US 41, Vanderburgh, IN

Built 2011 ADT: 8,782

CR 50

Unknown

Over: I-69 SBL

00.73 N SR 64, Vanderburgh, IN

Built 2012 ADT: 9,298

COLUMBIA/DELAWARE

Unknown

Over: 9 TH AVE

00.20 W OF 7TH AVE, Vanderburgh, IN

Built 1955 ADT: 1,476

N. ST. JOSEPH AVE.

Unknown

Over: LANDFILL HAUL ROAD

00.01 S OF MEIER ROAD, Vanderburgh, IN

Built 2021 ADT: 100

US 36

Unknown

Over: EAST CR 500 SOUTH

01.64 W SR 63, Vermillion, IN

Built 1987 ADT: 132

SR 63 NB

Unknown

Over: US-36 WBL

08.25 S SR 71, Vermillion, IN

Built 1974 ADT: 1,145

SR 63 SB

Unknown

Over: US-36 WBL

08.25 S SR 71, Vermillion, IN

Built 1974 ADT: 1,145

SR 63 NB

Unknown

Over: I-74 WBL

01.53 S US 136, Vermillion, IN

Built 1979 ADT: 6,635

SR 63 SB

Unknown

Over: I-74 WBL

01.53 S US 136, Vermillion, IN

Built 1959 ADT: 8,915

RILEYSBURG ROAD

Unknown

Over: I-74 EBL

03.92 W SR 63, Vermillion, IN

Built 1959 ADT: 9,245

ANDY JOHNSON ROAD

Unknown

Over: I-74 EBL

02.01 W SR 63, Vermillion, IN

Built 1959 ADT: 9,245

OLD SR 63/CR 200E

Unknown

Over: I-74 WB

00.99 E SR 63, Vermillion, IN

Built 1959 ADT: 8,075

PEDESTRIAN TRAIL

Unknown

Over: OLD US-40

01.33 W SR 46, Vigo, IN

Built 1902 ADT: 20,920

US 41

Unknown

Over: TIPPECANOE ST

00.64 N US 40, Vigo, IN

Built 1986 ADT: 118

OLD US 41

Unknown

Over: U S 41 NBL

06.13 N OF MIDDLE JCT SR, Vigo, IN

Built 1960 ADT: 2,183

SR 63 NB

Unknown

Over: US 41 SB

00.17 N MIDDLE JCT US 41, Vigo, IN

Built 1962 ADT: 9,000

SR 63 NB

Unknown

Over: PENNINGTON ROAD

04.23 N MIDDLE JCT US 41, Vigo, IN

Built 1965 ADT: 132

SR 63 SB

Unknown

Over: PENNINGTON ROAD

04.23 N OF MIDDLE JCT US, Vigo, IN

Built 1974 ADT: 132

Showing 1,951-2,000 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.