US Bridges

Indiana bridges

Indiana reports 19,542 bridges and culverts across 92 counties. 1,043 (5.3%) are rated in poor condition, and 1,893 are posted with load limits or closed. The oldest structure still in the inventory dates from 1838.

Bridges
19,542
Counties
92
Good
42%
Fair
53%
Poor
5%
1,043 bridges
Average age
46.6 yrs

Find a bridge in Indiana

Type at least two characters, or pick a condition or type, to search every bridge in the state.

Counties

Circle size reflects the number of bridges

Condition

5%poor
Good42%(8,213)
Fair53%(10,286)
Poor5%(1,043)

Counties with the highest share of poor bridges

Poor-condition bridgesFairGood

Structure types

Structure typeBridgesShare
Stringer/Multi-beam or Girder6,34432.5%
Box Beam or Girders - Multiple4,27821.9%
Slab3,62318.5%
Culvert2,39912.3%
Tee Beam8444.3%
Box Beam or Girders - Single or Spread7643.9%
Arch - Deck4832.5%
Channel Beam3001.5%
Truss - Thru2831.4%
Other1160.6%
Girder and Floorbeam System510.3%
Frame240.1%
Segmental Box Girder140.1%
Arch - Thru60.0%
Stayed Girder40.0%
Truss - Deck40.0%
Movable - Bascule30.0%
Mixed Types20.0%

When Indiana's bridges were built

<1900: 141 bridges141<19001900s: 173 bridges17319001910s: 228 bridges22819101920s: 592 bridges59219201930s: 880 bridges88019301940s: 461 bridges46119401950s: 1,286 bridges1.3k19501960s: 2,805 bridges2.8k19601970s: 2,729 bridges2.7k19701980s: 2,876 bridges2.9k19801990s: 2,863 bridges2.9k19902000s: 2,007 bridges2.0k20002010s: 1,796 bridges1.8k20102020s: 705 bridges7052020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I-80 WB Ramp to SR over SR 912 Eb/Wb Ramps
    Lake County · 185,778 vehicles/day
    Fair
  2. I-80 Ebwb 2 Ramps over Erie-Lackawanna Trail
    Lake County · 175,670 vehicles/day
    Fair
  3. I-80 I-94 EB over US 41 N/Sr 152 W Rmp 2I
    Lake County · 175,670 vehicles/day
    Fair
  4. I-80I-94 EB over Northcote Ave
    Lake County · 172,512 vehicles/day
    Good
  5. I-65 over 26th Street
    Marion County · 167,273 vehicles/day
    Good

Longest

  1. SR 912 over Ind H. Canal RR Rds
    Lake County · 6,236 ft
    Good
  2. US 41 SB over Ohio River Access Road
    Vanderburgh County · 5,427 ft
    Fair
  3. US 41 NB over Ohio River Access Road
    Vanderburgh County · 5,395 ft
    Fair
  4. US 31 over Ohio Riv. I-64 Streets
    Clark County · 4,926 ft
    Poor
  5. SR 161 over Ohio River US 60
    Spencer County · 4,624 ft
    Poor

Oldest

  1. Park Road over North Fork Salt Creek
    Brown County · Built 1838
    Fair
  2. Towpath RD over Burnetts Creek
    Carroll County · Built 1840
    Fair
  3. Brickyard Road over Boggs Creek
    Martin County · Built 1848
    Fair
  4. CR 650N over Little Raccoon Creek
    Parke County · Built 1856
    Poor
  5. Crooks Bridge RD over Little Raccoon Creek
    Parke County · Built 1856
    Poor

Newest

  1. I-465 WB over Lick Creek
    Marion County · Built 2024
    Good
  2. I-465 EB over State Ditch
    Marion County · Built 2024
    Good
  3. I-465 EB over State Ditch
    Marion County · Built 2024
    Good
  4. I-465 WB over Harding Street Nb/Sb
    Marion County · Built 2024
    Good
  5. I-465 WB over Indiana RR CO
    Marion County · Built 2024
    Good

Who owns Indiana's bridges

County12,65664.8%
State5,84629.9%
City5953.0%
Toll Authority3321.7%
Federal680.3%
Town / Township200.1%
Private120.1%
Local100.1%
Railroad30.0%

More Indiana facts

Total bridge length413 miles
Total deck area91,008,376 sq ft
Culverts counted as bridges2,399 (12%)
On the National Highway System3,106
Posted with load limits1,776
Closed to traffic117
Listed or eligible for the National Register557
Average daily traffic per bridge5,227 vehicles
Newest structure2024