State profile · Below median Poor share

Indiana bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Indiana, based on the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Indiana on the same metric.

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

WY

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Indiana

SR 331 NB/CAPITAL

Unknown

Over: I-90 RAMP TO 331/CAPITAL

03.24 E SR-23, St. Joseph, IN

Built 1993 ADT: 1,780

SR 331 SB/CAPITAL

Unknown

Over: I-90 RAMP TO 331/CAPITAL

03.24 E SR-23, St. Joseph, IN

Built 1993 ADT: 1,780

I-90 EB

Unknown

Over: CURRANT RD

03.80 E SR 23, St. Joseph, IN

Built 1956 ADT: 428

I-90 WB

Unknown

Over: CURRANT RD

03.80 E SR 23, St. Joseph, IN

Built 1956 ADT: 428

BITTERSWEET ROAD

Unknown

Over: I-90 WB

04.79 E SR 23, St. Joseph, IN

Built 1956 ADT: 14,130

BEECH ROAD

Unknown

Over: I-90 EBL

05.60 W SR 19, St. Joseph, IN

Built 1956 ADT: 28,260

US 20

Unknown

Over: MIAMI HIGHWAY

00.87 E US-31, St. Joseph, IN

Built 1991 ADT: 10,443

SR 331/BREMEN HWY

Unknown

Over: US 20 WB

02.81 S SR-933, St. Joseph, IN

Built 1991 ADT: 12,719

US 20

Unknown

Over: CLOVER ROAD

01.25 E SR-331, St. Joseph, IN

Built 1991 ADT: 474

US 20 EB/SR 331 NB

Unknown

Over: ELM RD/CAPITAL AVE SB

06.12 E US 31, St. Joseph, IN

Built 1991 ADT: 11,114

US 20 WB

Unknown

Over: ELM RD/CAPITAL AVE SB

06.12 E US 31, St. Joseph, IN

Built 1991 ADT: 11,114

US 20 WB ON-RAMP

Unknown

Over: SR 331 (ELM/CAPITAL) NB

06.12 E US-31, St. Joseph, IN

Built 1991 ADT: 6,705

DOGWOOD ROAD

Unknown

Over: US 20 WB

02.98 E SR-331, St. Joseph, IN

Built 1990 ADT: 19,729

BEECH RD

Unknown

Over: US 20 WB

05.10 E SR 331, St. Joseph, IN

Built 1990 ADT: 19,385

LOCUST ROAD

Unknown

Over: US-20 EBL

00.99 E SR 23, St. Joseph, IN

Built 2009 ADT: 16,800

SR 3

Unknown

Over: US-20(US-31) EBL

03.07 S SR-933, St. Joseph, IN

Built 2004 ADT: 13,750

US 20 WB

Unknown

Over: IRELAND RD

01.35 E SR 23, St. Joseph, IN

Built 2011 ADT: 16,120

DIXIE HWY

Unknown

Over: US 31 NB

0.260 S US 20, St. Joseph, IN

Built 2014 ADT: 8,974

SR 4

Unknown

Over: US 31 NB

00.00 SW US 20, St. Joseph, IN

Built 2014 ADT: 2,077

SR 4

Unknown

Over: US 31 SB

00.00 SW US 20, St. Joseph, IN

Built 2014 ADT: 4,070

DIXIE HWY

Unknown

Over: US 31 SB

0.260 S US 20, St. Joseph, IN

Built 2014 ADT: 30,000

ROOSEVELT RD

Unknown

Over: US 31 NB

02.24 SW US 20, St. Joseph, IN

Built 2012 ADT: 185

ROOSEVELT RD

Unknown

Over: US 31 SB

02.24 SW US 20, St. Joseph, IN

Built 2012 ADT: 1,034

LAKE TRAIL

Unknown

Over: US 31 SB

00.86 N SHIVELY RD, St. Joseph, IN

Built 2014 ADT: 2,499

MILLER ROAD

Unknown

Over: US 31 NB

02.80 N SR 4, St. Joseph, IN

Built 2014 ADT: 18,974

NEW ROAD

Unknown

Over: US 31 SB

00.90 E OLD US 31, St. Joseph, IN

Built 2014 ADT: 9,026

US 31

Unknown

Over: KERN ROAD

01.10 S US 20, St. Joseph, IN

Built 2014 ADT: 40,520

US 31 NB

Unknown

Over: Main Street

1.0 SW US 20, St. Joseph, IN

Built 2014 ADT: 1,993

US 31 SB

Unknown

Over: Main Street

01.00 SW US 20, St. Joseph, IN

Built 2014 ADT: 1,000

US 31 NB On-Ramp

Unknown

Over: Main Street

01.00 SW US 20, St. Joseph, IN

Built 2014 ADT: 1,993

US 31 SB Off-Ramp

Unknown

Over: Main Street

01.00 SW US 20, St. Joseph, IN

Built 2014 ADT: 1,000

US 31 SB

Unknown

Over: JACKSON RD

00.10 S US 20, St. Joseph, IN

Built 2014 ADT: 15,000

FELLOWS STREET

Unknown

Over: US 20 WB

0.26 E US 31, St. Joseph, IN

Built 2014 ADT: 19,017

JOHNSON ROAD

Unknown

Over: US 31 SBL

00.50 SW US 20, St. Joseph, IN

Built 2014 ADT: 13,197

TWYCKENHAM DR

Unknown

Over: NORTHSIDE BLVD

00.10 N SR 933, St. Joseph, IN

Built 1929 ADT: 2,533

MAYFLOWER RD

Unknown

Over: ARDMORE TRAIL

00.45 N FILLMORE ROAD, St. Joseph, IN

Built 1970 ADT: 463

JOHNSON RD

Unknown

Over: MAIN ST

00.50 SW US 20, St. Joseph, IN

Built 2016 ADT: 1,000

US 30 EB

Unknown

Over: US-35

06.11 E SR-39, Starke, IN

Built 1958 ADT: 5,288

US 30 WB

Unknown

Over: US-35

06.11 E SR-39, Starke, IN

Built 1958 ADT: 5,288

SR 120

Unknown

Over: I-69 NB

00.07 E SR 127, Steuben, IN

Built 1965 ADT: 8,994

CR 10

Unknown

Over: I-69 NBL

02.28 S SR 4, Steuben, IN

Built 1963 ADT: 12,693

CR 700S

Unknown

Over: I-69 SB

01.01 N SR 4, Steuben, IN

Built 1963 ADT: 11,625

CR 500S

Unknown

Over: I-69 SB

03.05 N SR 4, Steuben, IN

Built 1963 ADT: 11,625

CR 325W

Unknown

Over: I-69 NB

02.95 S US 20, Steuben, IN

Built 1963 ADT: 9,899

I-69 NB

Unknown

Over: FOX LAKE RD

01.80 S US 20, Steuben, IN

Built 1963 ADT: 361

I-69 SB

Unknown

Over: FOX LAKE RD

01.80 S US 20, Steuben, IN

Built 1963 ADT: 361

CR 100N

Unknown

Over: I-69 NB

01.62 N US 20, Steuben, IN

Built 1963 ADT: 10,204

I-69 SB

Unknown

Over: SB CR 200W

02.43 N US 20, Steuben, IN

Built 1965 ADT: 3,767

I-69 SB

Unknown

Over: SB CR 200W

02.43 N US 20, Steuben, IN

Built 1965 ADT: 3,767

CR 200N

Unknown

Over: I-69 SB

02.52 S SR-127, Steuben, IN

Built 1964 ADT: 8,317

Showing 1,751-1,800 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.