Total Bridges
18,630
Public highway bridges in Indiana
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
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%.
Condition Distribution
Bridge inventory deck-condition mix — Indiana (FHWA NBI)
Counties (92)
Adams 191 Allen 601 Bartholomew 263 Benton 147 Blackford 56 Boone 235 Brown 34 Carroll 159 Cass 161 Clark 144 Clay 144 Clinton 205 Crawford 117 Daviess 205 DeKalb 147 Dearborn 139 Decatur 141 Delaware 272 Dubois 214 Elkhart 272 Fayette 98 Floyd 144 Fountain 195 Franklin 158 Fulton 82 Gibson 348 Grant 278 Greene 233 Hamilton 440 Hancock 189 Harrison 124 Hendricks 341 Henry 192 Howard 194 Huntington 183 Jackson 308 Jasper 186 Jay 124 Jefferson 151 Jennings 148 Johnson 213 Knox 282 Kosciusko 145 LaGrange 100 LaPorte 229 Lake 488 Lawrence 158 Madison 297 Marion 964 Marshall 185 Martin 104 Miami 165 Monroe 226 Montgomery 241 Morgan 241 Newton 167 Noble 88 Ohio 41 Orange 133 Owen 143 Parke 195 Perry 146 Pike 164 Porter 280 Posey 205 Pulaski 100 Putnam 284 Randolph 253 Ripley 188 Rush 223 Scott 113 Shelby 243 Spencer 241 St. Joseph 228 Starke 85 Steuben 134 Sullivan 208 Switzerland 62 Tippecanoe 329 Tipton 109 Union 58 Vanderburgh 286 Vermillion 125 Vigo 294 Wabash 189 Warren 136 Warrick 183 Washington 173 Wayne 342 Wells 155 White 214 Whitley 112
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
53
Washington
4.81% top marginal rate
18
Indiana
4.94% top marginal rate
20
Kansas
5.25% top marginal rate
56
Wyoming
5.41% top marginal rate
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.
MOUNT LIBERTY ROAD
Structurally DeficientOver: MOUNT LIBERTY CREEK
00.10 S 4 MILE RD, Brown, IN
Built 1929 Load: 2.7 t ADT: 150
CR 250W
PoorOver: JONES CREEK
00.70 S of CR 250 N, Putnam, IN
Built 1925 Load: 2.7 t ADT: 180
CR 675W
Structurally DeficientOver: BRANCH OF LEATHERMAN CR
00.20 S of CR 125 N, Putnam, IN
Built 1930 Load: 2.7 t ADT: 130
CR 275S
Structurally DeficientOver: CONRAIL RR
00.50 E of CR 600 W, Putnam, IN
Built 1910 Load: 2.7 t ADT: 130
SHAPED CHARGE ROAD
PoorOver: LITTLE OTTER CREEK
1.2 MILES NORTH OF K RD, Ripley, IN
Built 1899 Load: 2.7 t ADT: 2
WONJU ROAD
PoorOver: TRIBUTARY OF BIG CREEK
0.3 MILE NORTH OF G ROAD, Ripley, IN
Built 1990 Load: 2.7 t ADT: 10
All Bridges in Indiana
SR 9
FairOver: DRY FORK CREEK
00.82 S SR 37, Grant, IN
Built 1940 Load: 48.9 t ADT: 5,829
196TH ST EAST
FairOver: LOCK DITCH
00.00 INT OF MYSTIC RD, Hamilton, IN
Built 1993 Load: 48.9 t ADT: 250
PROMISE RD
FairOver: DRY RUN CREEK
00.27 S OF SR 37, Hamilton, IN
Built 1980 Load: 48.9 t ADT: 2,870
ROUTE H-58
FairOver: TRIBUTARY/SULFUR CREEK
1 KM W OF H-161, Martin, IN
Built 2012 Load: 48.9 t ADT: 2,000
SR 47
FairOver: BRANCH SUGAR CREEK
04.29 N I-74, Montgomery, IN
Built 1958 Load: 48.9 t ADT: 1,575
US 24
FairOver: MONTGOMERY DITCH
03.04 E US 41, Newton, IN
Built 1953 Load: 48.9 t ADT: 3,733
SR 56
FairOver: LOST RIVER
00.40 W US 150, Orange, IN
Built 1923 Load: 48.9 t ADT: 11,870
CR 900W
FairOver: EEL RIVER
00.10 S SR 14, Whitley, IN
Built 1916 Load: 48.9 t ADT: 300
SR 46
FairOver: NORTH FORK SALT CREEK
00.99 E SR 135, Brown, IN
Built 1964 Load: 49.0 t ADT: 11,699
BRANSON ST
FairOver: MASSEY CREEK
00.29 MI S of CHARLES ST, Grant, IN
Built 1958 Load: 49.0 t ADT: 2,950
US 40
FairOver: BRANDYWINE CREEK
00.63 E SR 9, Hancock, IN
Built 1942 Load: 49.0 t ADT: 8,593
CR 350N
FairOver: TRAIL CREEK
00.20 E WOZNIAK, LaPorte, IN
Built 1996 Load: 49.0 t ADT: 400
I-74
FairOver: WILDCAT BROOK
05.90 E I-465, Marion, IN
Built 1950 Load: 49.0 t ADT: 34,861
34TH ST
FairOver: FALCON CREEK
00.15 E OF GEORGETOWN RD, Marion, IN
Built 1980 Load: 49.0 t ADT: 22,058
SR 145
FairOver: FRENCH LICK CREEK
04.39 S SR56, Orange, IN
Built 1967 Load: 49.0 t ADT: 2,333
SR 39
FairOver: THOMPSON DITCH
02.27 N SR 14, Pulaski, IN
Built 1947 Load: 49.0 t ADT: 1,058
I-469 EB
FairOver: HARBER DITCH
00.12 W SR 1, Allen, IN
Built 1989 Load: 49.2 t ADT: 10,737
I-469 WB
FairOver: HARBER DITCH
00.12 W SR 1, Allen, IN
Built 1989 Load: 49.2 t ADT: 10,737
COWAN ROAD
FairOver: NO NAME CREEK
00.17 S of CR 500 S, Delaware, IN
Built 1961 Load: 49.2 t ADT: 1,510
CR 1100W
FairOver: GRASSY CREEK
00.30 S OF CR 775 S, Fulton, IN
Built 1965 Load: 49.2 t ADT: 100
I-74 EB
FairOver: CSX RR
03.62 W I-465, Hendricks, IN
Built 1959 Load: 49.2 t ADT: 42,802
I-74 WB
FairOver: CSX RR
03.62 W I-465, Hendricks, IN
Built 1959 Load: 49.2 t ADT: 42,802
SR 49
FairOver: WOLF CREEK
01.56 S SR 10, Jasper, IN
Built 1952 Load: 49.2 t ADT: 2,607
CR 1300 SOUTH
FairOver: MEADEL DITCH
0.20 MILES E OF CR 1100 W, Jasper, IN
Built 1987 Load: 49.2 t ADT: 112
US 231
FairOver: DOG LEG DITCH
0.48 N of S Jct SR 2, Porter, IN
Built 1983 Load: 49.2 t ADT: 8,585
CR 1375S
FairOver: White Oak Creek
00.40 W of CR 175 E, Clay, IN
Built 1991 Load: 49.3 t ADT: 30
CR 100W
FairOver: UNNAMED DITCH
00.44 N of CR 600 S, Daviess, IN
Built 1986 Load: 49.3 t ADT: 182
CRANES RUN RD
FairOver: BRANCH OF WHITEWATER RVR
01.00 SW OF PINHOOK RD, Dearborn, IN
Built 1990 Load: 49.3 t ADT: 90
CR 1800S
FairOver: WILLIAMS ARM OF TUESBURG
00.60 E CR 600 W, LaPorte, IN
Built 1983 Load: 49.3 t ADT: 125
CR 500 WEST
FairOver: BRANCH OF FLAT CREEK
00.50 N CR 900 N, Wells, IN
Built 1925 Load: 49.3 t ADT: 100
FILLMORE ST
FairOver: JUNK DRAIN
00.10 N COVINGTON RD, Allen, IN
Built 1995 Load: 49.4 t ADT: 291
CR 300N
FairOver: BACHELOR Run
00.63 E of CR 300 W, Carroll, IN
Built 1980 Load: 49.4 t ADT: 107
RANGELINE ROAD
FairOver: BRANCH CLEAR CREEK
1.8 MI N OF US 24, Huntington, IN
Built 1999 Load: 49.4 t ADT: 367
CR 1050W
FairOver: COOK DITCH
00.30 N CR 1850 S, LaPorte, IN
Built 1924 Load: 49.4 t ADT: 100
CR 1100S
FairOver: REDSKIN BROOK
00.30 E SR 109, Madison, IN
Built 1981 Load: 49.4 t ADT: 465
CR 900S
FairOver: BIG CREEK
00.29 E OF OLD MICHIGAN R, Ripley, IN
Built 1999 Load: 49.4 t ADT: 150
MUDPIKE ROAD
FairOver: BRANCH OF LAUGHERY CREEK
00.30 E OF CR 100 E, Ripley, IN
Built 1993 Load: 49.4 t ADT: 150
CR 850 NORTH
FairOver: FORK OF BIG BLUE RIVER
00.80 W OF CR 500 E, Shelby, IN
Built 1977 Load: 49.4 t ADT: 200
CR 250 S
FairOver: ROSS RUN CREEK
00.10 W OF AMERICA RD, Wabash, IN
Built 1974 Load: 49.5 t ADT: 550
CR 600W
FairOver: MUD CREEK
00.50 N of SR 18, Benton, IN
Built 1960 Load: 49.6 t ADT: 60
SR 32
FairOver: MUD CREEK
02.37 E SR 3, Delaware, IN
Built 1958 Load: 49.6 t ADT: 14,285
CR 28
FairOver: BAUGO CREEK
00.00 W OF CR 3, Elkhart, IN
Built 1972 Load: 49.6 t ADT: 1,490
US 41
FairOver: CSX RR
02.34 N US 231, Lake, IN
Built 1962 Load: 49.6 t ADT: 25,099
I-90 EB
FairOver: BURNS DITCH/DEEP RIVER
00.17 W I-94, Lake, IN
Built 1956 Load: 49.6 t ADT: 17,335
I-90 WB
FairOver: BURNS DITCH/DEEP RIVER
00.17 W I-94, Lake, IN
Built 1956 Load: 49.6 t ADT: 17,335
CR 375E
FairOver: FORK CREEK
00.10 S CR 450 N, Madison, IN
Built 1989 Load: 49.6 t ADT: 425
CR 500E
FairOver: STEM RUN CREEK
00.50 N CR 1300 N, Madison, IN
Built 1992 Load: 49.6 t ADT: 253
CR 700W
FairOver: INDIAN CAMP CREEK
00.10 N CR 200 S, Madison, IN
Built 1997 Load: 49.6 t ADT: 281
CR 675W
FairOver: STONY CREEK
00.10 N SR 32, Madison, IN
Built 1997 Load: 49.6 t ADT: 281
I-465 EB
FairOver: CSX RR
01.53 W I-74, Marion, IN
Built 1962 Load: 49.6 t ADT: 58,500
Showing 10,251-10,300 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.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.