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
OLD US 50
FairOver: COBERT DITCH
0.18 W CR 200 W, Daviess, IN
Built 1984 Load: 34.3 t ADT: 4,216
US 421
FairOver: MUDDY FORK SAND CREEK
00.30 S I-74, Decatur, IN
Built 2008 Load: 34.3 t ADT: 13,901
SR 545
FairOver: BRANCH POLSON CREEK
02.90 S SR56, Dubois, IN
Built 1983 Load: 34.3 t ADT: 3,694
CR 450W
FairOver: CROOKED Creek
00.40 E of CR 490 W, Dubois, IN
Built 1963 Load: 34.3 t ADT: 314
CR 1050E
FairOver: CANE CREEK
00.60 S of CUZCO NORTON R, Dubois, IN
Built 1930 Load: 34.3 t ADT: 65
US 20 WB
FairOver: PINE CREEK
03.08 W SR 15, Elkhart, IN
Built 1992 Load: 34.3 t ADT: 11,647
PRAIRIE ST
FairOver: ELKHART RIVER
00.10 N OF WATERFALL DR, Elkhart, IN
Built 1966 Load: 34.3 t ADT: 14,733
SR 1
FairOver: LITTLE DUCK CREEK
07.15 N SR 101, Franklin, IN
Built 1925 Load: 34.3 t ADT: 3,110
CR 225 W
FairOver: BROWN DITCH LATERAL #1
00.20 S OF CR 400 S, Gibson, IN
Built 1982 Load: 34.3 t ADT: 100
SR 9
FairOver: BOOTS CREEK
00.93 S SR 18, Grant, IN
Built 1999 Load: 34.3 t ADT: 22,538
SR 38
FairOver: BRANCH STONY CREEK
01.54 E SR 32, Hamilton, IN
Built 1994 Load: 34.3 t ADT: 7,258
I-465 EB
FairOver: WILLIAMS CREEK
00.74 W US 31, Hamilton, IN
Built 1966 Load: 34.3 t ADT: 64,657
I-465 WB
FairOver: WILLIAMS CREEK
00.74 W US 31, Hamilton, IN
Built 1966 Load: 34.3 t ADT: 64,657
136TH ST EAST
FairOver: COOL CREEK
00.20 E OF RANGELINE RD, Hamilton, IN
Built 1967 Load: 34.3 t ADT: 11,940
SR 75
FairOver: WEST FK BIG WALNUT CREEK
01.49 S SR 234, Hendricks, IN
Built 1993 Load: 34.3 t ADT: 628
RAIDER ROAD
FairOver: DEER CREEK
00.25 N OF US 36, Henry, IN
Built 1964 Load: 34.3 t ADT: 2,375
MAIN ST
FairOver: WILDCAT CREEK
0.0 MI INT SUPERIOR ST, Howard, IN
Built 1941 Load: 34.3 t ADT: 5,027
CR 800 SOUTH
FairOver: RICHLAND CREEK
0.3 MI W OF CR 600 W, Huntington, IN
Built 1980 Load: 34.3 t ADT: 107
CR 50S
FairOver: WIKEL DITCH
0.6 MILES EAST OF CR 500, Jay, IN
Built 1991 Load: 34.3 t ADT: 138
CR 125N
FairOver: TIPPECANOE RIVER
00.30 W OF CR 900 W, Kosciusko, IN
Built 1974 Load: 34.3 t ADT: 150
PACKERTON ROAD
FairOver: WYLAND DITCH
00.50 N OF CR 200 S, Kosciusko, IN
Built 1980 Load: 34.3 t ADT: 1,000
CR 700 SOUTH
FairOver: N. BRANCH ELKHART RIVER
00.10 E OF CR 200W, LaGrange, IN
Built 1964 Load: 34.3 t ADT: 1,350
CR 350 S
FairOver: BR OF BIG TURKEY CREEK
00.45 MI W OF CR 1150E, LaGrange, IN
Built 1980 Load: 34.3 t ADT: 575
SR 55
FairOver: GRIESEL DITCH
02.05 S SR 2, Lake, IN
Built 1981 Load: 34.3 t ADT: 1,682
TUNNELTON DENNISON
FairOver: BACK CREEK
01.38 N OF DEVILS BACKBON, Lawrence, IN
Built 2007 Load: 34.3 t ADT: 126
CR 450W
FairOver: BIG DUCK CREEK
00.40 N CR 1550 N, Madison, IN
Built 1984 Load: 34.3 t ADT: 147
42ND STREET
FairOver: STEELE DITCH
00.48 E OF GERMAN CHURCH, Marion, IN
Built 1974 Load: 34.3 t ADT: 605
THOMPSON RD
FairOver: STATE DITCH
00.58 E OF MANN RD, Marion, IN
Built 1916 Load: 34.3 t ADT: 233
TULANE RD
FairOver: DELAWARE CREEK
00.12 W OF TOWNSHIP LINE, Marion, IN
Built 1975 Load: 34.3 t ADT: 1,031
KEYSTONE AVENUE
FairOver: HOWLAND DITCH
00.15 N OF 71ST STREET, Marion, IN
Built 1960 Load: 34.3 t ADT: 54,496
MERIDIAN STREET
FairOver: FALL CREEK
00.45 S OF 30TH STREET, Marion, IN
Built 1917 Load: 34.3 t ADT: 25,289
MERIDIAN ROAD
FairOver: EEL RIVER
0.60 S OF SR 16, Miami, IN
Built 1970 Load: 34.3 t ADT: 1,425
BUSINESS 37 NORTH
FairOver: BEANBLOSSOM CREEK
0.1 MILE SOUTH OF I-69, Monroe, IN
Built 1946 Load: 34.3 t ADT: 11,194
CR 100E
FairOver: OFFIELD CREEK
00.30 N of CR 500 S, Montgomery, IN
Built 1975 Load: 34.3 t ADT: 60
CR 1050E
FairOver: BIG RACCOON CREEK
00.30 S of US 136, Montgomery, IN
Built 1977 Load: 34.3 t ADT: 130
US 150
FairOver: LOST RIVER
03.31 W SR 56, Orange, IN
Built 1971 Load: 34.3 t ADT: 900
US 231
FairOver: FISH CREEK
05.97 N SR 157, Owen, IN
Built 1924 Load: 34.3 t ADT: 4,161
US 41
FairOver: ROARING CREEK
00.40 S SR 47, Parke, IN
Built 1925 Load: 34.3 t ADT: 2,700
CR 875S
FairOver: BR S FK PATOKA RIVER
00.25 W CR 300 E, Pike, IN
Built 1902 Load: 34.3 t ADT: 7
SR 39
FairOver: HARP DITCH #3
04.03 N SR 16, Pulaski, IN
Built 1950 Load: 34.3 t ADT: 1,288
SR 48
FairOver: RIPLEY CREEK
00.47 E SR 129, Ripley, IN
Built 1985 Load: 34.3 t ADT: 983
I-65 NB
FairOver: PIGEON ROOST CREEK
04.58 S SR 56, Scott, IN
Built 1959 Load: 34.3 t ADT: 21,299
I-65 SB
FairOver: PIGEON ROOST CREEK
04.58 S SR 56, Scott, IN
Built 1959 Load: 34.3 t ADT: 21,299
I-65 SBL
FairOver: MUSCATATUCK RIVER OVFL
01.09 N SR 256, Scott, IN
Built 1959 Load: 34.3 t ADT: 13,441
SR 66
FairOver: SANDY CREEK
05.35 E US 231, Spencer, IN
Built 1982 Load: 34.3 t ADT: 2,760
GOLDEN LAKE Rd
FairOver: PIGEON Creek
0.10 MILES N OF CR 325 W, Steuben, IN
Built 1939 Load: 34.3 t ADT: 1,091
LAKE GEORGE LN 201
FairOver: OUTLET of LAKE GEORGE
0.90 MILES W OF OLD 27, Steuben, IN
Built 1983 Load: 34.3 t ADT: 538
US 41 SB
FairOver: MORRISON CREEK
03.97 N SR 154, Sullivan, IN
Built 1952 Load: 34.3 t ADT: 8,757
OLD STATE RD
FairOver: BRANCH OF LOCUST CREEK
00.10 N OF WORTMAN RD, Vanderburgh, IN
Built 1965 Load: 34.3 t ADT: 1,975
ST JOSEPH AVE
FairOver: LOCUST CREEK
00.40 S OF MILL RD, Vanderburgh, IN
Built 1981 Load: 34.3 t ADT: 10,989
Showing 7,701-7,750 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.