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

PINE GROVE RD/CR 8

Unknown

Over: I-65 NBL

02.49 N SR 18, White, IN

Built 1967 ADT: 16,085

I-65 NB

Unknown

Over: US 231

05.42 N SR 18, White, IN

Built 1968 ADT: 1,100

I-65 SB

Unknown

Over: US 231

05.42 N SR 18, White, IN

Built 1968 ADT: 1,100

CR 300S /GOSS ROAD

Unknown

Over: I-65 NBL

03.15 N US 231, White, IN

Built 1968 ADT: 15,540

HANNA RD/CR 1100 W

Unknown

Over: I-65 NBL

03.93 S US 24, White, IN

Built 1968 ADT: 16,485

US 30 EB

Unknown

Over: MORSCHES PARK ROAD

00.56 W SR 205, Whitley, IN

Built 1961 ADT: 118

US 30 WB

Unknown

Over: MORSCHES PARK ROAD

00.56 W SR-205, Whitley, IN

Built 1961 ADT: 118

DEEP CUT LAKE ROAD

Fair

Over: BEAVER CREEK

0.36 S OF US 50, Martin, IN

Built 1910 ADT: 63

OLD S.R. 46

Fair

Over: BR JACKS DEFEAT CREEK

0.2 MILE WEST OF S.R. 46, Monroe, IN

Built 1930

FIFTH AVE

Fair

Over: BR WHITE RIVER

00.10 W OF SR 67, Owen, IN

Built 1970 ADT: 620

CR 125W

Fair

Over: FLAT CREEK

0.2 MI. N. OF DIVISION RD, Pike, IN

Built 1930

N HARTSTRAIT ROAD

Fair

Over: BRANCH JACKS DEFEAT CREE

00.02 S SR 46, Monroe, IN

Built 2006 Load: 1.6 t ADT: 5,220

PARK ROAD

Fair

Over: NORTH FORK SALT CREEK

00.00 BROWN CO STATE PARK, Brown, IN

Built 1838 Load: 2.7 t ADT: 400

MILL STREET

Fair

Over: ST JOSEPH RIVER

00.40 E OF SR 1, DeKalb, IN

Built 1873 Load: 2.7 t ADT: 200

CR 400W

Fair

Over: COFFEE CREEK

00.19 S OF CR 1100 S, Jennings, IN

Built 1940 Load: 2.7 t ADT: 10

CR 990E

Fair

Over: MISSISSINEWA RIVER

00.33 MI S of CR 1100 S, Grant, IN

Built 1877 Load: 2.8 t ADT: 240

OFFUTT BRIDGE RD

Fair

Over: LITTLE BLUE RIVER

00.40 NW OF CR 300 N, Rush, IN

Built 1884 Load: 2.8 t ADT: 100

CO PARK ENTRANCE

Fair

Over: BRANCH OF TANNERS CREEK

00.03 SW OF SR 1, Dearborn, IN

Built 1879 Load: 2.9 t ADT: 30

CR 670S

Fair

Over: PRAIRIE CREEK

00.20 SE of COOPERS CHAPE, Fountain, IN

Built 1988 Load: 3.4 t ADT: 100

ARKANSAS ST

Fair

Over: ROBB CREEK

00.20 N OF SR 56, Gibson, IN

Built 1915 Load: 3.4 t ADT: 20

CR 905N

Fair

Over: MIDDLE FORK CROOKED CR

00.16 N of CR 900 N, Spencer, IN

Built 1915 Load: 3.4 t ADT: 80

MILL ST/SINGER RD

Fair

Over: EEL RIVER

00.10 N CR 175 E, Wabash, IN

Built 1872 Load: 3.4 t ADT: 480

BOWSHER Rd

Fair

Over: MILL Creek

00.20 E of TOWPATH Rd, Parke, IN

Built 1915 Load: 3.6 t ADT: 63

BRUSH FORK RD

Fair

Over: BRUSH FORK TANNERS CREEK

01.50 N OF SAWDON RIDGE, Dearborn, IN

Built 1999 Load: 4.5 t ADT: 100

LAYTON DR

Fair

Over: SAND CREEK

00.10 NW OF CR 1100 S, Decatur, IN

Built 1880 Load: 4.5 t ADT: 30

JINESTOWN ROAD

Fair

Over: BIG CREEK TRIBUTARY

1 MILE NORTH OF D ROAD, Jefferson, IN

Built 1896 Load: 4.5 t ADT: 2

CR 575 W

Fair

Over: SAND CREEK

00.25 N OF SR 7, Jennings, IN

Built 1887 Load: 4.5 t ADT: 75

CR 625S

Fair

Over: BIG GRAHAM CREEK

00.24 W OF BASE RD, Jennings, IN

Built 1895 Load: 4.5 t ADT: 150

CR 950S

Fair

Over: BEAR CREEK

00.09 S OF CR 25 W, Jennings, IN

Built 1935 Load: 4.5 t ADT: 100

CR 900N

Fair

Over: BIG WALNUT CREEK

00.70 W of CR 500 E, Putnam, IN

Built 1915 Load: 4.5 t ADT: 110

CR 800N

Fair

Over: BIG WALNUT CREEK

01.40 W CR 500 E, Putnam, IN

Built 1915 Load: 4.5 t ADT: 130

CR 25S

Fair

Over: LAUGHERY CREEK

00.01 W OF STATE PARK ROA, Ripley, IN

Built 1885 Load: 4.5 t ADT: 225

CR 750S

Fair

Over: Lafferty Ditch

00.30 W of CR 300 W, Clay, IN

Built 1940 Load: 4.6 t ADT: 119

CR 375 NORTH

Fair

Over: LOST RIVER

0.20 E OF CR 775 W, Orange, IN

Built 1894 Load: 4.6 t ADT: 125

CR 25 EAST

Fair

Over: PLUMMER CREEK

0.40 S OF BRADFIELD ROAD, Greene, IN

Built 1883 Load: 4.9 t ADT: 106

COUNTRY CLUB ROAD

Fair

Over: COUNTRY CLUB CREEK

0.00 N OF PAW PAW PARK, Miami, IN

Built 1935 Load: 4.9 t ADT: 100

Canal Rd

Fair

Over: Wabash & Erie Canal

00.50 S of CR 1200 S, Clay, IN

Built 1980 Load: 5.0 t ADT: 12

CR 440 WEST

Fair

Over: EEL RIVER

0.20 N OF CR 350 N, Miami, IN

Built 1883 Load: 5.3 t ADT: 100

CR 1100 EAST

Fair

Over: POTTER DITCH

0.20 N OF CR 1100 S, Miami, IN

Built 1965 Load: 5.3 t ADT: 100

MORGAN ROAD

Fair

Over: MIDDLE FORK CREEK

0.6 MILES NORTH OF A RD, Jefferson, IN

Built 1910 Load: 5.4 t ADT: 5

OLD SR 36

Fair

Over: WILLIAMS Creek

00.00 Int of BILLIE CR Rd, Parke, IN

Built 1895 Load: 5.4 t ADT: 228

CR 450N

Fair

Over: LITTLE WALNUT CREEK

00.10 W of CR 700 W, Putnam, IN

Built 1922 Load: 5.4 t ADT: 190

CR 300N

Fair

Over: FALL FORK CLIFTY CREEK

00.03 NE OF CR 1000 E, Bartholomew, IN

Built 1920 Load: 5.6 t ADT: 190

CR 10

Fair

Over: Middle Fork Deer Creek

01.00 NE of CR 5(Deer Cr), Perry, IN

Built 1982 Load: 5.6 t ADT: 120

CLAIRE ROAD

Fair

Over: VIEKE DITCH

01.00 E OF 6TH STREET ROA, Knox, IN

Built 1950 Load: 5.9 t ADT: 130

CR 900 E

Fair

Over: BIG CREEK

00.50 S OF CR 950 S, Gibson, IN

Built 1989 Load: 6.3 t ADT: 100

NASH LANE

Fair

Over: OTTER CREEK

0.00 S OF OTTER CR. ROAD, Crawford, IN

Built 1935 Load: 6.4 t ADT: 25

CR 225W

Fair

Over: BR VERNON FK MUSCATATUCK

00.10 W OF CR 225 W, Jennings, IN

Built 1940 Load: 6.4 t ADT: 50

TOWPATH Rd

Fair

Over: MILL Creek

00.40 S of CR 1025 N, Parke, IN

Built 1907 Load: 6.4 t ADT: 122

CR 800N

Fair

Over: BIG SHAWNEE Creek

00.10 W of US 41, Fountain, IN

Built 1860 Load: 6.5 t ADT: 120

Showing 2,101-2,150 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.