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

ESTEB RD

Fair

Over: WHITE BROOK

00.20 S of ENDSLEY Rd, Wayne, IN

Built 1930 Load: 29.0 t ADT: 199

STEELMAN CHAPEL RD

Fair

Over: ROBB CREEK

01.20 E OF US 41, Gibson, IN

Built 1920 Load: 29.1 t ADT: 110

FIREMEN ROAD

Fair

Over: BRANCH OF DESHEE RIVER

00.64 W OF US 41, Knox, IN

Built 1950 Load: 29.1 t ADT: 130

56TH STREET

Fair

Over: LITTLE EAGLE CREEK

00.20 E OF MOLLER ROAD, Marion, IN

Built 1962 Load: 29.1 t ADT: 33,928

CR 200S

Fair

Over: WILLIAMS Creek

00.20 W of BRIDGETON Rd, Parke, IN

Built 1960 Load: 29.1 t ADT: 94

CR 100N

Fair

Over: Fall CREEK

00.83 W of CR 125 W, Warren, IN

Built 1899 Load: 29.1 t ADT: 60

CR 500 EAST

Fair

Over: SIX MILE CREEK

00.10 S OF CR 750 S, Wells, IN

Built 1930 Load: 29.1 t ADT: 250

CR 50N

Fair

Over: LITTLE SAND CREEK

00.25 E OF CR 1000 E, Bartholomew, IN

Built 1935 Load: 29.2 t ADT: 860

CR 675W

Fair

Over: WOLF CREEK

01.25 N OF CR 200N, Boone, IN

Built 1990 Load: 29.2 t ADT: 120

SOUTH RIVER ROAD

Fair

Over: TRIBUTARY WABASH RIVER

00.10 W OF CR 200 W, Cass, IN

Built 2001 Load: 29.2 t ADT: 280

US 52

Fair

Over: BR LITTLE POTATO CREEK

03.42 E SR 28, Clinton, IN

Built 1925 Load: 29.2 t ADT: 3,807

SR 56

Fair

Over: CROOKED CREEK

01.52 W US 231, Dubois, IN

Built 1927 Load: 29.2 t ADT: 10,656

STEELMAN CHAPEL RD

Fair

Over: JR FORD DITCH

00.10 E OF THOMPSON RD, Gibson, IN

Built 1976 Load: 29.2 t ADT: 120

SR 26

Fair

Over: LITTLE CREEK

00.75 W SR 9, Grant, IN

Built 1985 Load: 29.2 t ADT: 3,639

HUGHES RD

Fair

Over: RAMP RUN

00.50 W OF SR 75, Hendricks, IN

Built 1979 Load: 29.2 t ADT: 100

US 31

Fair

Over: BR MUTTON CREEK DITCH

01.93 S US 50, Jackson, IN

Built 1923 Load: 29.2 t ADT: 4,119

SR 11

Fair

Over: E FK WHITE RIVER OVFL

01.49 S I-65, Jackson, IN

Built 1984 Load: 29.2 t ADT: 7,762

SR 58

Fair

Over: BR S FORK SALT CREEK

00.81 W SR 135, Jackson, IN

Built 1993 Load: 29.2 t ADT: 1,088

SR 62

Fair

Over: BR. OF TODDYS BRANCH

00.50 E SR 250, Jefferson, IN

Built 1992 Load: 29.2 t ADT: 1,138

CR 575 NORTH

Fair

Over: HURRICANE CREEK

0.25 E OF CR 400 E, Johnson, IN

Built 1982 Load: 29.2 t ADT: 125

CR 350 NORTH

Fair

Over: SUGAR CREEK

0.80 E OF CR 700 E, Johnson, IN

Built 1975 Load: 29.2 t ADT: 500

GRAY BARN RD

Fair

Over: STEEN DITCH

00.28 S OF US 150 / 50, Knox, IN

Built 1950 Load: 29.2 t ADT: 130

JERICHO ROAD

Fair

Over: BLACK CREEK

00.73 W OF TERRELL ROAD, Knox, IN

Built 1986 Load: 29.2 t ADT: 130

SR 13

Fair

Over: DEEDS CREEK

01.90 S US 30, Kosciusko, IN

Built 1947 Load: 29.2 t ADT: 3,722

SR 912 RAMP NE

Fair

Over: LITTLE CALUMET RIVER

00.22 E I-80, Lake, IN

Built 1999 Load: 29.2 t ADT: 391

SR 109

Fair

Over: FALL CREEK

00.97 N US 36, Madison, IN

Built 1996 Load: 29.2 t ADT: 5,049

I-465 NB

Fair

Over: FALL CREEK & TRAIL

02.39 N US 36 / SR 67, Marion, IN

Built 1966 Load: 29.2 t ADT: 101,476

FALL CREEK RD

Fair

Over: MUD CREEK

00.18 E OF SERGEANT RD, Marion, IN

Built 1984 Load: 29.2 t ADT: 16,051

N SYCAMORE ROAD

Fair

Over: SHERMAN EMMONS DITCH

00.30 N OF W 3B ROAD, Marshall, IN

Built 1962 Load: 29.2 t ADT: 475

DEEP CUT CONNECTOR

Fair

Over: BEAVER CREEK

0.02 S OF US 50, Martin, IN

Built 2013 Load: 29.2 t ADT: 63

SR 25

Fair

Over: EAST FORK COAL CREEK

00.02 N US 136, Montgomery, IN

Built 1955 Load: 29.2 t ADT: 1,666

SR 67

Fair

Over: HODGES DITCH

08.20 N US 231, Morgan, IN

Built 1997 Load: 29.2 t ADT: 4,785

SR 67 NB

Fair

Over: SILON CRK (MOONS BRANCH)

01.70 N SR 144, Morgan, IN

Built 1958 Load: 29.2 t ADT: 28,858

BEREAN RD

Fair

Over: LAMBS CREEK

01.97 W UPPER PATTON RD, Morgan, IN

Built 1977 Load: 29.2 t ADT: 270

CARPENTER Rd

Fair

Over: SUGAR MILL Creek

00.70 W of NARROWS Rd, Parke, IN

Built 1960 Load: 29.2 t ADT: 26

CR 500N

Fair

Over: PEPPER CREEK

00.10 W JCT SR 149, Porter, IN

Built 1996 Load: 29.2 t ADT: 2,370

CR 75N

Fair

Over: EIGHT MILE CREEK

00.70 MI W of CR 500 W, Randolph, IN

Built 1983 Load: 29.2 t ADT: 114

I-74 WB

Fair

Over: LITTLE BLUE RIVER

00.65 W SR 44, Shelby, IN

Built 1959 Load: 29.2 t ADT: 16,395

I-74 EB

Fair

Over: DEER CREEK

03.99 E SR 244, Shelby, IN

Built 1961 Load: 29.2 t ADT: 10,729

I-74 WB

Fair

Over: DEER CREEK

03.99 E SR 244, Shelby, IN

Built 1961 Load: 29.2 t ADT: 10,729

CR 450 SOUTH

Fair

Over: DEER CREEK

00.15 W OF CR 800 E, Shelby, IN

Built 1996 Load: 29.2 t ADT: 100

CR 500N

Fair

Over: McFarland Ditch

00.18 E of CR 850 W, Tippecanoe, IN

Built 1972 Load: 29.2 t ADT: 540

SR 213

Fair

Over: TURKEY CREEK

03.08 S SR 26, Tipton, IN

Built 1957 Load: 29.2 t ADT: 1,626

CR 200W

Fair

Over: CICERO CREEK

00.30 S OF CR 200 S, Tipton, IN

Built 1963 Load: 29.2 t ADT: 875

SR 63 NB

Fair

Over: WABASH RIVER

00.73 N MIDDLE JCT US 41, Vigo, IN

Built 1962 Load: 29.2 t ADT: 7,520

I-70 EB

Fair

Over: SUGAR CREEK

02.45 W US 41, Vigo, IN

Built 1963 Load: 29.2 t ADT: 25,145

I-70 WB

Fair

Over: SUGAR CREEK

02.45 W US 41, Vigo, IN

Built 1963 Load: 29.2 t ADT: 22,769

State Line Road

Fair

Over: Clear Creek

00.80 N of CREWS PL, Vigo, IN

Built 1987 Load: 29.2 t ADT: 377

Independence Rd

Fair

Over: Kickapoo Creek

00.38 W of Kickapoo Rd, Warren, IN

Built 1969 Load: 29.2 t ADT: 350

SELVIN ROAD

Fair

Over: TRIBUTARY OF SUGAR CREEK

00.52 MI E OF GILES RD, Warrick, IN

Built 1999 Load: 29.2 t ADT: 140

Showing 4,551-4,600 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.