Lake County, Indiana bridges
Lake County has 501 bridges and culverts in the National Bridge Inventory, the oldest built in 1878. 36 (7%) are rated poor. The most common type is stringer/multi-beam or girder (51%).
- Bridges
- 501
- Good
- 50%
- Fair
- 43%
- Poor
- 7%
- 36 bridges
- Average age
- 40.8 yrs
- Posted or closed
- 51
Map of bridges in Lake County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Lake County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good50%(249)
Fair43%(216)
Poor7%(36)
When they were built
Busiest
- I-80 WB Ramp to SR over SR 912 Eb/Wb RampsFair185,778 vehicles/day
- I-80 Ebwb 2 Ramps over Erie-Lackawanna TrailFair175,670 vehicles/day
- I-80 I-94 EB over US 41 N/Sr 152 W Rmp 2IFair175,670 vehicles/day
- I-80I-94 EB over Northcote AveGood172,512 vehicles/day
- I-80I-94 EB over Hohman AvenueGood150,742 vehicles/day
Longest
- SR 912 over Ind H. Canal RR RdsGood6,236 ft
- Fair
- Fair
- Fair
- Fair
Oldest
- Fairgrounds Road over Drainage SwaleGoodBuilt 1878
- State Line Road over Kankakee RiverPoorBuilt 1900
- Fair
- Chase Street over Singleton DitchGoodBuilt 1920
- Ridge Road over Elgin Joliet Eastern Rr.PoorBuilt 1934
All bridges in Lake County
Busiest first · showing 1–200 of 501| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-80 WB Ramp to SR over SR 912 Eb/Wb Ramps No. 045599 | 02.52 E US 41 | 2001 | Stringer/Multi-beam or Girder | 233 ft | 185,778 | Fair |
| I-80 Ebwb 2 Ramps over Erie-Lackawanna Trail No. 076844 | 00.08 W US 41 | 2005 | Culvert | 23 ft | 175,670 | Fair |
| I-80 I-94 EB over US 41 N/Sr 152 W Rmp 2I No. 076882 | 02.53 W SR 912 | 2005 | Box Beam or Girders - Single or Spread | 269 ft | 175,670 | Fair |
| I-80I-94 EB over Northcote Ave No. 076846 | 00.29 W US 41 | 2005 | Box Beam or Girders - Single or Spread | 58 ft | 172,512 | Good |
| I-80I-94 EB over Hohman Avenue No. 076698 | 00.71 W US 41 | 2007 | Stringer/Multi-beam or Girder | 176 ft | 150,742 | Good |
| I-80I-94 EB over Lt Calumet Riv Monon TR No. 076702 | 00.54 W US 41 | 2007 | Stringer/Multi-beam or Girder | 581 ft | 150,742 | Good |
| I-80I-94 EB over Harrison Avenue No. 076706 | 00.38 W US 41 | 2007 | Stringer/Multi-beam or Girder | 120 ft | 150,742 | Good |
| I-80 Ebwb over SR 912 Eb/Wb Ramps No. 045600 | 02.53 E US 41 | 2001 | Stringer/Multi-beam or Girder | 234 ft | 141,800 | Good |
| I-80 EB over NS RR Cn RR Wye No. 045610 | 00.50 E SR 912 | 1953 | Stringer/Multi-beam or Girder | 465 ft | 99,921 | Good |
| I-80 over Little Calumet River No. 045695 | 00.59 E SR 53 | 1996 | Culvert | 42 ft | 98,335 | Good |
| I-80I-94 WB over Hohman Avenue No. 076700 | 00.71 W US 41 | 2007 | Stringer/Multi-beam or Girder | 176 ft | 98,083 | Good |
| I-80I-94 WB over Harrison Avenue No. 076708 | 00.38 W US 41 | 2007 | Stringer/Multi-beam or Girder | 120 ft | 98,083 | Good |
| I-65 SB over 37th Ave/Old US 6 E&w No. 038750 | 05.61 N US 30 | 2001 | Stringer/Multi-beam or Girder | 120 ft | 95,353 | Good |
| I-65 Ramps over Hiking Trail No. 038760 | 05.71 N US 30 | 2001 | Culvert | 28 ft | 95,353 | Good |
| I-80 WB over NS RR Cn RR Wye No. 045620 | 00.50 E SR 912 | 1953 | Stringer/Multi-beam or Girder | 546 ft | 91,049 | Good |
| I-80I-94 WB over Northcote Ave No. 076848 | 00.29 W US 41 | 2005 | Box Beam or Girders - Single or Spread | 58 ft | 88,825 | Good |
| I-80 I-94 WB over NS RR [kankakee] Ihb RR No. 076856 | 00.70 E US 41 | 2005 | Box Beam or Girders - Single or Spread | 178 ft | 88,825 | Fair |
| I-80 I-94 WB over US 41 N/Sr 152 W Ramp No. 076884 | 02.53 W SR 912 | 2005 | Box Beam or Girders - Single or Spread | 269 ft | 88,825 | Fair |
| SR 912 over 25th AVE/177th ST No. 033160 | 00.18 W I-80 | 1960 | Stringer/Multi-beam or Girder | 141 ft | 88,789 | Fair |
| I-80 I-94 EB over NS RR [kankakee] Ihb RR No. 076854 | 00.70 E US 41 | 2005 | Box Beam or Girders - Single or Spread | 178 ft | 86,846 | Fair |
| I-80I-94 EB over I-65 NB to I-80 WB No. 076754 | 01.18 E SR 53 | 2010 | Stringer/Multi-beam or Girder | 194 ft | 85,710 | Good |
| I-80 I-94 EB over Cfe RR No. 076758 | 00.57 W I-65 | 2009 | Tee Beam | 112 ft | 85,710 | Good |
| I-80 EB EB Ramp over Burns Ditch (deep River) No. 076762 | 00.45 E I-65 | 2009 | Tee Beam | 208 ft | 75,000 | Good |
| I-80I-94 WB over Lt Calumet Riv Monon TR No. 076704 | 00.54 W US 41 | 2007 | Stringer/Multi-beam or Girder | 581 ft | 60,000 | Good |
| I-80 EB over Central Ave CSX RR No. 076766 | 00.92 E I-65 | 2009 | Stringer/Multi-beam or Girder | 361 ft | 58,000 | Good |
| I-80 EB over Clay Street No. 076770 | 01.18 E I-65 | 2009 | Stringer/Multi-beam or Girder | 81 ft | 58,000 | Good |
| I-65 NB over 35th Avenue No. 038780 | 05.84 N US 30 | 2001 | Tee Beam | 84 ft | 57,458 | Good |
| US 12 Ebsr 912 over US 12 Eb/Us 20 No. 033110 | 00.47 E I-90 | 1960 | Stringer/Multi-beam or Girder | 179 ft | 57,423 | Fair |
| I-80 WB WB Ramp over Burns Ditch (deep River) No. 076764 | 00.45 E I-65 | 2010 | Stringer/Multi-beam or Girder | 208 ft | 57,107 | Good |
| I-80 WB over Central Ave CSX RR No. 076768 | 00.92 E I-65 | 2010 | Stringer/Multi-beam or Girder | 361 ft | 57,107 | Good |
| I-80 WB over Clay Street No. 076772 | 01.18 E I-65 | 2010 | Stringer/Multi-beam or Girder | 81 ft | 57,107 | Good |
| I-65 SB over Turkey Creek No. 038630 | 02.70 N US 30 | 1965 | Slab | 96 ft | 56,252 | Good |
| I-65 NB over 49th Avenue No. 038680 | 04.06 N US 30 | 1965 | Slab | 116 ft | 56,252 | Good |
| I-65 NB over NS RR No. 038700 | 04.83 N US 30 | 1965 | Stringer/Multi-beam or Girder | 159 ft | 56,252 | Good |
| I-65 NB over 39th Avenue No. 038720 | 05.33 N US 30 | 1965 | Stringer/Multi-beam or Girder | 141 ft | 56,252 | Good |
| I-65 SB over 53rd Avenue No. 038650 | 03.53 N US 30 | 1965 | Slab | 119 ft | 54,358 | Good |
| I-65 SB over 49th Avenue No. 038690 | 04.06 N US 30 | 1965 | Slab | 116 ft | 54,358 | Good |
| I-65 SB over NS RR No. 038710 | 04.83 N US 30 | 1965 | Stringer/Multi-beam or Girder | 159 ft | 54,358 | Good |
| 169th ST15th Ave over SR 912 Eb/Wb No. 033140 | 01.06 E US 20 | 1966 | Stringer/Multi-beam or Girder | 150 ft | 53,949 | Fair |
| SR 912 over NS RR No. 033150 | 00.25 W I-80 | 1961 | Stringer/Multi-beam or Girder | 190 ft | 53,949 | Fair |
| I-65 NB over Turkey Creek No. 038620 | 02.70 N US 30 | 1965 | Slab | 96 ft | 53,256 | Fair |
| I-65 NB over 37th Ave/Old US 6 E&w No. 038740 | 05.61 N US 30 | 2001 | Stringer/Multi-beam or Girder | 120 ft | 53,256 | Good |
| I-65 NB over 53rd Avenue No. 038640 | 03.53 N US 30 | 1965 | Slab | 119 ft | 50,992 | Fair |
| I-65 NB over US 30 Eb/Wb Cd Ramps No. 038540 | 05.38 N US 231 | 1966 | Tee Beam | 242 ft | 50,976 | Fair |
| I-65 SB over US 30 Eb/Wb 2 Cd Ramps No. 038550 | 05.38 N US 231 | 1966 | Tee Beam | 242 ft | 50,976 | Fair |
| I-65 NB over Gtw RR No. 038590 | 01.85 N US 30 | 1965 | Stringer/Multi-beam or Girder | 153 ft | 50,976 | Good |
| I-65 SB over Gtw RR No. 038600 | 01.85 N US 30 | 1965 | Stringer/Multi-beam or Girder | 153 ft | 50,976 | Good |
| US 41 Nbsb over Gtw RR No. 015651 | 02.80 N US 30 | 2018 | Tee Beam | 165 ft | 48,200 | Fair |
| I-65 SB over 39th Avenue No. 038730 | 05.33 N US 30 | 1965 | Stringer/Multi-beam or Girder | 141 ft | 47,742 | Good |
| I-65 SB over 35th Avenue No. 038790 | 05.84 N US 30 | 2001 | Tee Beam | 84 ft | 47,742 | Good |
| I-80I-94 WB over I-65 NB to I-80 WB No. 076756 | 01.18 E SR 53 | 2010 | Stringer/Multi-beam or Girder | 194 ft | 44,358 | Good |
| US 41 over Cn RR NS RR Old RR No. 015640 | 01.20 N US 30 | 2001 | Tee Beam | 412 ft | 42,955 | Fair |
| I-94 WB over I-90 Eb/Wb No. 049010 | 00.46 E I-80 | 1966 | Stringer/Multi-beam or Girder | 241 ft | 42,223 | Good |
| I-90 over Taylor Road No. 046527 | 04.67 E US 12 | 2004 | Culvert | 49 ft | 41,720 | Good |
| SR 912 over Abandoned Roadways No. 033130 | 00.36 E US 20 | 1960 | Stringer/Multi-beam or Girder | 129 ft | 41,344 | Good |
| US 30 over Pennsy Greenway Trl No. 008110 | 01.88 E US 41 | 1997 | Culvert | 25 ft | 40,615 | Good |
| US 41 over E/L Bike-Hiking Trail No. 015661 | 00.93 S I-80 | 2013 | Culvert | 26 ft | 39,016 | Good |
| US 41 over Little Calumet River No. 015670 | 00.51 S I-80 | 1996 | Stringer/Multi-beam or Girder | 174 ft | 39,016 | Good |
| US 12SR 912 over Cn RR & Yrd Gary Av DR No. 033080 | 00.49 W I-90 | 1965 | Stringer/Multi-beam or Girder | 473 ft | 37,896 | Good |
| I-65 NB over I-65 NB to I-80/I-94 WB No. 076750 | 06.45 N US 30 | 2009 | Tee Beam | 256 ft | 37,825 | Fair |
| I-65 SB over I-65 NB to I-80/I-94 WB No. 076752 | 06.45 N US 30 | 2009 | Tee Beam | 246 ft | 37,825 | Fair |
| Calumet Avenue over Little Calumet River No. 4500172 | 00.60 N. of Ridge Road | 1973 | Box Beam or Girders - Multiple | 152 ft | 37,409 | Fair |
| I-65 over I-80 WB to I-65 SB Ramp No. 076784 | 07.10 N US 30 | 2009 | Tee Beam | 112 ft | 37,290 | Good |
| I-65 over Cfe RR No. 076748 | 06.54 N US 30 | 2009 | Stringer/Multi-beam or Girder | 111 ft | 37,109 | Good |
| US 30 over Dyer Ditch No. 008071 | 01.10 W US 41 | 2024 | Stringer/Multi-beam or Girder | 59 ft | 36,917 | Good |
| I-90 over US 12/41 US 20/41 No. 045850 | 04.10 W US 41 | 1956 | Stringer/Multi-beam or Girder | 1,150 ft | 36,713 | Fair |
| I-94 EB over I-90 Eb/Wb No. 049000 | 00.46 E I-80 | 1966 | Stringer/Multi-beam or Girder | 241 ft | 36,533 | Fair |
| SR 912 over Conrail RR Dickey RD D No. 033030 | 01.66 E W JCT US 12 | 1980 | Stringer/Multi-beam or Girder | 2,393 ft | 35,922 | Good |
| I-65 NB over Main Beaver Dam Ditch No. 038510 | 02.16 N US 231 N JCT | 1966 | Slab | 92 ft | 35,847 | Good |
| US 12SR 912 over Grand Calumet Riv 2 Rds No. 033090 | 00.19 W I-90 | 1965 | Stringer/Multi-beam or Girder | 446 ft | 35,686 | Fair |
| Calumet Ave over I-80/ I-94 Cd/Ramps No. 015680 | 03.78 S SR 312 | 1992 | Box Beam or Girders - Single or Spread | 255 ft | 34,089 | Fair |
| US 30 over Hart Ditch No. 008060 | 02.54 W US 41 | 1995 | Stringer/Multi-beam or Girder | 118 ft | 31,823 | Fair |
| US 30 over Schilling Ditch No. 008075 | 00.60 W US 41 | 1997 | Culvert | 120 ft | 31,823 | Good |
| SR 912 over Little Calumet River No. 033170 | 00.22 E I-80 | 2002 | Stringer/Multi-beam or Girder | 260 ft | 30,521 | Good |
| US 12SR 912 over CSX RR No. 033050 | 00.09 W SR 312 | 1965 | Stringer/Multi-beam or Girder | 162 ft | 30,146 | Good |
| US 12SR 912 over SR 312 2 Ramps No. 033060 | 01.27 N I-90 | 1965 | Stringer/Multi-beam or Girder | 267 ft | 30,146 | Good |
| Grant Street over I-80/I-94 Eb/Wb 2 Cd No. 076518 | 01.00 W SR 53 | 2004 | Tee Beam | 264 ft | 29,785 | Fair |
| I-65 NB over US 231 Nb/Sb Abandoned No. 038440 | 05.38 S US 30 | 1964 | Stringer/Multi-beam or Girder | 310 ft | 28,977 | Good |
| I-65 SB & NW Ramp over Main Beaver Dam Ditch No. 038520 | 02.16 N US 231 N JCT | 1966 | Slab | 92 ft | 27,043 | Fair |
| SR 152 over Ihb RR No. 027661 | 02.18 N I-80 | 2013 | Tee Beam | 1,211 ft | 26,677 | Good |
| I-65 NB over SR 2 No. 038380 | 07.37 S US 231 N JCT | 1964 | Stringer/Multi-beam or Girder | 157 ft | 25,990 | Good |
| I-65 NB over Wirtz Ditch No. 038410 | 04.81 N SR 2 | 1964 | Stringer/Multi-beam or Girder | 114 ft | 25,990 | Good |
| US 30 over Deep River No. 008140 | 01.96 E SR 51 | 1935 | Arch - Deck | 110 ft | 25,719 | Good |
| US 41 over CSX RR No. 015630 | 02.34 N US 231 | 1962 | Stringer/Multi-beam or Girder | 65 ft | 25,099 | Fair |
| I-65 over I-80 Eb/Wb I-80 Cd No. 076776 | 07.00 N US 30 | 2009 | Stringer/Multi-beam or Girder | 422 ft | 24,800 | Good |
| Ridge Road over Elgin Joliet Eastern Rr. No. 4500119 | 00.30 E of Broad Street | 1934 | Box Beam or Girders - Single or Spread | 165 ft | 24,762 | Poor |
| US 6 over I-80/I-94 Eb/Wb No. 018890 | 02.27 W SR 51 | 1960 | Stringer/Multi-beam or Girder | 253 ft | 24,474 | Fair |
| SR 55 over Main Beaver Dam Ditch No. 019870 | 01.40 N US 231 | 1985 | Slab | 70 ft | 24,373 | Fair |
| Kennedy Avenue over Little Calumet River No. 4500112 | 00.30 S I-94 | 1955 | Slab | 122 ft | 24,318 | Poor |
| I-90 EB over Hobart Road No. 046650 | 00.24 W SR 51 | 1956 | Stringer/Multi-beam or Girder | 176 ft | 24,234 | Good |
| I-90 WB over Hobart Road No. 046660 | 00.24 W SR 51 | 1956 | Stringer/Multi-beam or Girder | 176 ft | 24,234 | Good |
| US 12SR 912 over I-90 Eb/Wb Nictd RR No. 033100 | 01.27 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 322 ft | 23,796 | Fair |
| I-80 RM to SR 912W over NS RR No. 033152 | 00.25 W I-80 | 1997 | Stringer/Multi-beam or Girder | 191 ft | 22,900 | Fair |
| Calumet Avenue over NS Railroad No. 4500204 | 00.40 N of US 30 | 2004 | Stringer/Multi-beam or Girder | 52 ft | 22,835 | Fair |
| Calumet Avenue over Ej&e Railroad No. 4500205 | 00.30 N. of US 30 | 2004 | Tee Beam | 150 ft | 22,835 | Good |
| Calumet Avenue over Hart Ditch No. 4500206 | 01.20 N. of US 30 | 2004 | Stringer/Multi-beam or Girder | 122 ft | 22,835 | Fair |
| US 6 over Deep River No. 018860 | 00.62 W SR 51 E JCT | 1940 | Stringer/Multi-beam or Girder | 250 ft | 22,439 | Good |
| US 6 over Muck Pocket No. 018870 | 00.84 E SR 51/I-80/94 | 1941 | Slab | 289 ft | 22,439 | Poor |
| US 6 over Deep River No. 018880 | 00.71 E SR 51/I-80/94 | 1941 | Stringer/Multi-beam or Girder | 177 ft | 22,439 | Poor |
| US 41 over Arm West Creek No. 015625 | 00.25 N US 231 | 2014 | Culvert | 26 ft | 22,421 | Good |
| 61st Avenue over Turkey Creek No. 4500095 | 00.60 E SR 53 | 1977 | Stringer/Multi-beam or Girder | 110 ft | 22,387 | Fair |
| I-65 NB over 109th Avenue No. 038490 | 01.86 N US 231 | 1965 | Stringer/Multi-beam or Girder | 116 ft | 22,253 | Good |
| I-65 SB over 109th Avenue No. 038500 | 01.86 N US 231 | 1965 | Stringer/Multi-beam or Girder | 116 ft | 22,253 | Good |
| 61st Avenue over I-65 Nb/Sb No. 038610 | 02.51 N US 30 | 2000 | Tee Beam | 225 ft | 22,175 | Good |
| I-65 SB over Brown Ditch No. 038320 | 03.64 S SR 2 | 1964 | Slab | 92 ft | 22,124 | Poor |
| I-65 SB over Jesse Little Ditch No. 038350 | 02.25 S SR 2 | 1964 | Slab | 82 ft | 22,124 | Fair |
| I-65 SB over US 231 Nb/Sb Abandoned No. 038450 | 05.38 S US 30 | 1964 | Stringer/Multi-beam or Girder | 309 ft | 21,860 | Good |
| Dickey Road over Indiana Harbor Canal No. 080000 | 00.50 NE Michigan ST | 1992 | Movable - Bascule | 387 ft | 21,854 | Fair |
| I-65 NB over Brown Ditch No. 038310 | 03.64 S SR 2 | 1964 | Slab | 92 ft | 21,697 | Fair |
| I-65 NB over Jesse Little Ditch No. 038340 | 02.25 S SR 2 | 1964 | Slab | 82 ft | 21,697 | Fair |
| I-65 NB over 15th Avenue No. 038880 | 01.53 N I-80 | 1965 | Stringer/Multi-beam or Girder | 156 ft | 21,399 | Fair |
| SR 912 EB Rmp to I over NS RR No. 033151 | 00.25 W I-80 | 1997 | Stringer/Multi-beam or Girder | 197 ft | 21,281 | Good |
| SR 912 EB Rmp to I over 25th AVE/177th ST No. 033161 | 00.18 W I-80 | 1997 | Stringer/Multi-beam or Girder | 167 ft | 21,281 | Fair |
| Kennedy Avenue over I-80/I-94 Eb/Wb Cd Ramp No. 045580 | 00.97 E US 41 | 1992 | Box Beam or Girders - Single or Spread | 202 ft | 21,133 | Good |
| I-90 EB over Grand Calumet River No. 046462 | 02.31 E US 12 | 2011 | Stringer/Multi-beam or Girder | 131 ft | 20,900 | Good |
| I-90 WB over Grand Calumet River No. 046472 | 02.31 E US 12 | 2011 | Stringer/Multi-beam or Girder | 131 ft | 20,900 | Good |
| Grant Steet over Little Calumet River No. 045671 | 00.99 W SR 53 | 1999 | Slab | 86 ft | 20,891 | Fair |
| I-90 EB over Tennessee Street No. 046500 | 00.90 W US 12 | 1956 | Stringer/Multi-beam or Girder | 147 ft | 20,860 | Fair |
| I-90 WB over Tennessee Street No. 046510 | 00.90 W US 12 | 1956 | Stringer/Multi-beam or Girder | 147 ft | 20,860 | Fair |
| I-90 EB over US 12/20 2 RR Road No. 046530 | 04.69 E US 12 | 2004 | Stringer/Multi-beam or Girder | 507 ft | 20,860 | Good |
| I-90 WB over US 12/20 2 RR Road No. 046540 | 04.69 E US 12 | 2004 | Stringer/Multi-beam or Girder | 516 ft | 20,860 | Good |
| I-90 EB over I-65 Ramps G & H No. 046570 | 00.29 E US 12 | 2002 | Stringer/Multi-beam or Girder | 175 ft | 20,860 | Good |
| I-90 WB over I-65 Ramps G & H No. 046580 | 00.29 E US 12 | 2002 | Stringer/Multi-beam or Girder | 175 ft | 20,860 | Good |
| I-80 W-Sr 912W Ram over 25th AVE/177th ST No. 033162 | 00.18 W I-80 | 1997 | Stringer/Multi-beam or Girder | 141 ft | 20,693 | Good |
| 37th Avenue over Deep River No. 4500111 | 00.50 W US 6 | 1998 | Box Beam or Girders - Single or Spread | 137 ft | 20,588 | Good |
| SR 912 over Ihb RR No. 033120 | 00.19 E US 20 | 1960 | Stringer/Multi-beam or Girder | 714 ft | 20,546 | Fair |
| SR 53 over Turkey Creek No. 019480 | 02.31 N US 30 | 1984 | Stringer/Multi-beam or Girder | 111 ft | 20,377 | Good |
| I-90 EB over Grand Calumet River No. 046342 | 00.72 E US 12 | 2011 | Stringer/Multi-beam or Girder | 158 ft | 20,365 | Good |
| SR 53 over Little Calumet River No. 019490 | 00.45 S I-80 | 1938 | Arch - Deck | 105 ft | 20,178 | Good |
| I-80 WB Ramp Wn&ws over NS RR Cn RR Wye No. 045625 | 00.50 E SR 912 | 1999 | Stringer/Multi-beam or Girder | 642 ft | 20,081 | Fair |
| I-90 EB over US 41/CALUMET Ave No. 046020 | 01.31 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 317 ft | 19,890 | Fair |
| US 20 over Grand Calumet River No. 005190 | 01.03 E SR 312 | 2006 | Box Beam or Girders - Single or Spread | 170 ft | 19,844 | Good |
| I-80 Ebwb over Burns Ditch/Deep River No. 045840 | 00.04 W I-90 | 1963 | Stringer/Multi-beam or Girder | 171 ft | 19,778 | Fair |
| US 41 over Ihb RR & Yard 4 Streets No. 015690 | 02.94 N I-80 | 1974 | Stringer/Multi-beam or Girder | 894 ft | 19,611 | Fair |
| I-65 SB over SR 2 No. 038390 | 07.37 S US 231 N JCT | 1964 | Stringer/Multi-beam or Girder | 157 ft | 19,607 | Good |
| I-65 SB over Wirtz Ditch No. 038420 | 04.81 N SR 2 | 1964 | Stringer/Multi-beam or Girder | 114 ft | 19,607 | Good |
| I-90 EB over Clay Street No. 046620 | 02.00 W SR 51 | 2004 | Stringer/Multi-beam or Girder | 64 ft | 19,440 | Good |
| I-90 WB over Clay Street No. 046630 | 02.00 W SR 51 | 2004 | Stringer/Multi-beam or Girder | 64 ft | 19,440 | Good |
| I-90 EB over SR 51/RIPLEY ST No. 046670 | 04.06 E US 12 | 1956 | Stringer/Multi-beam or Girder | 171 ft | 19,440 | Good |
| I-90 WB over SR 51/RIPLEY ST No. 046680 | 04.06 E US 12 | 1956 | Stringer/Multi-beam or Girder | 171 ft | 19,440 | Fair |
| SR 55 over Turkey Creek No. 019880 | 01.92 N US 30 | 1993 | Slab | 84 ft | 19,257 | Fair |
| Hohman Avenue over Conrail RR Willow Ct No. 4500190 | 00.10 N Sibley Blvd | 1996 | Stringer/Multi-beam or Girder | 375 ft | 18,753 | Fair |
| I-90 EB over Huehn Street No. 046050 | 00.50 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 154 ft | 18,425 | Fair |
| I-90 WB over Huehn Street No. 046060 | 00.50 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 154 ft | 18,425 | Fair |
| I-90 EB over Gostlin Street No. 046070 | 00.34 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 253 ft | 18,425 | Fair |
| I-90 WB over Gostlin Street No. 046080 | 00.34 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 253 ft | 18,425 | Fair |
| I-90 EB over Columbia Avenue 2 RR No. 046090 | 00.14 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 529 ft | 18,425 | Fair |
| I-90 WB over Columbia Avenue 2 RR No. 046100 | 00.14 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 529 ft | 18,425 | Fair |
| I-90 EB over SR 312/CHICAGO ST No. 046110 | 01.31 E US 41 | 1956 | Stringer/Multi-beam or Girder | 336 ft | 18,425 | Fair |
| I-90 WB over SR 312/CHICAGO ST No. 046120 | 01.31 E US 41 | 1956 | Stringer/Multi-beam or Girder | 336 ft | 18,425 | Fair |
| I-90 EB over Hoffman Street No. 046130 | 00.25 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 238 ft | 18,425 | Fair |
| I-90 WB over Hoffman Street No. 046140 | 00.25 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 238 ft | 18,425 | Fair |
| I-90 EB over 149th Street No. 046150 | 00.41 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 163 ft | 18,425 | Fair |
| I-90 WB over 149th Street No. 046160 | 00.41 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 163 ft | 18,425 | Fair |
| I-90 EB over 150th Street No. 046170 | 00.55 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 174 ft | 18,425 | Good |
| I-90 WB over 150th Street No. 046180 | 00.55 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 174 ft | 18,425 | Good |
| I-90 EB over Gr Calumet Riv DR 2 RR No. 046190 | 00.44 W US 20 | 1956 | Stringer/Multi-beam or Girder | 2,368 ft | 18,425 | Fair |
| I-90 WB over Gr Calumet Riv DR 2 RR No. 046200 | 00.44 W US 20 | 1956 | Stringer/Multi-beam or Girder | 2,731 ft | 18,425 | Fair |
| US 41 over Grand Calumet River No. 015700 | 00.58 S Old SR 312 | 2002 | Stringer/Multi-beam or Girder | 262 ft | 18,401 | Good |
| I-90 WB over 108th Street No. 045890 | 00.26 E US 12 | 1956 | Stringer/Multi-beam or Girder | 127 ft | 18,357 | Fair |
| I-90 EB over Ind Harbor Belt RR No. 045920 | 01.48 E US 12 | 1956 | Stringer/Multi-beam or Girder | 882 ft | 18,357 | Fair |
| I-90 WB over Ind Harbor Belt RR No. 045930 | 01.48 E US 12 | 1956 | Stringer/Multi-beam or Girder | 882 ft | 18,357 | Fair |
| I-90 EB over 108th Street No. 045880 | 00.26 E US 12 | 1956 | Stringer/Multi-beam or Girder | 127 ft | 18,356 | Good |
| US 6 over Branch of Deep River No. 076600 | 00.52 E SR 51 E JCT | 2009 | Stringer/Multi-beam or Girder | 92 ft | 18,166 | Good |
| I-90 EB over US 20/SR 152/INDY Blv No. 046210 | 01.51 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 225 ft | 18,146 | Fair |
| I-90 WB over US 20/SR 152/INDY Blv No. 046220 | 01.51 E SR 312 | 1956 | Stringer/Multi-beam or Girder | 225 ft | 18,146 | Fair |
| I-90 EB over Conrail RR Kennedy Ave No. 046250 | 01.01 E US 20 | 1956 | Stringer/Multi-beam or Girder | 312 ft | 18,146 | Fair |
| Kennedy Avenue over Cady Marsh Ditch No. 4500173 | 00.30 S of Ridge RD | 1970 | Box Beam or Girders - Multiple | 36 ft | 18,131 | Fair |
| I-90 EB over 112th Street No. 045900 | 00.73 E US 12 | 1956 | Stringer/Multi-beam or Girder | 119 ft | 18,085 | Fair |
| I-90 WB over 112th Street No. 045910 | 00.73 E US 12 | 1956 | Stringer/Multi-beam or Girder | 119 ft | 18,085 | Fair |
| I-90 EB over Wolf Lake No. 045940 | 02.06 E US 12 | 1956 | Stringer/Multi-beam or Girder | 108 ft | 18,085 | Fair |
| I-90 WB over Wolf Lake No. 045950 | 02.06 E US 12 | 1956 | Stringer/Multi-beam or Girder | 108 ft | 18,085 | Fair |
| I-90 EB over 129th Street No. 045960 | 01.21 W US 41 | 1956 | Stringer/Multi-beam or Girder | 211 ft | 18,085 | Poor |
| I-90 WB over 129th Street No. 045970 | 01.21 W US 41 | 1956 | Stringer/Multi-beam or Girder | 211 ft | 18,085 | Poor |
| US 12 over Kennedy Avenue No. 003120 | 01.01 E US 20 | 1994 | Stringer/Multi-beam or Girder | 163 ft | 18,058 | Good |
| US 12 over Cn RR Ihb RR Carey ST No. 003130 | 01.19 E US 20 | 1994 | Stringer/Multi-beam or Girder | 983 ft | 18,058 | Fair |
| SR 53 over I-80/I-94 Eb/Wb 2 Cd No. 076520 | 02.40 S US 12 | 2004 | Tee Beam | 254 ft | 18,050 | Fair |
| Columbia Ave over Conrail RR 3 Streets No. 4500156 | 00.10 S Michigan ST | 1963 | Stringer/Multi-beam or Girder | 964 ft | 17,931 | Fair |
| Ridge Road over CSX Railroad No. 4500116 | 00.50 W of Michigan Stree | 2003 | Tee Beam | 110 ft | 17,891 | Good |
| I-90 WB over Buchanan Street Ramps No. 046450 | 02.13 E US 12 | 1956 | Stringer/Multi-beam or Girder | 250 ft | 17,626 | Good |
| I-90 EB over SR 53 Virginia Ej&e RR No. 046480 | 01.70 W US 12 | 1956 | Stringer/Multi-beam or Girder | 3,958 ft | 17,626 | Fair |
| I-90 WB over SR 53 Virginia Ej&e RR No. 046490 | 01.70 W US 12 | 1956 | Stringer/Multi-beam or Girder | 3,958 ft | 17,626 | Fair |
| SR 912 over Guthrie Street No. 033039 | 00.32 W US 12 | 1980 | Stringer/Multi-beam or Girder | 147 ft | 17,578 | Good |
| SR 912 EB over US 12 (indstr Hwy) Eb/Wb No. 033040 | 00.52 W SR 312 | 1970 | Stringer/Multi-beam or Girder | 242 ft | 17,578 | Good |
| I-90 EB over Ind Harbor Belt RR No. 045980 | 00.89 W US 41 | 1956 | Stringer/Multi-beam or Girder | 364 ft | 17,450 | Fair |
| I-90 WB over Ind Harbor Belt RR No. 045990 | 00.89 W US 41 | 1956 | Stringer/Multi-beam or Girder | 364 ft | 17,450 | Fair |
| I-90 EB over Sheffield Avenue No. 046000 | 00.66 W US 41 | 1956 | Stringer/Multi-beam or Girder | 304 ft | 17,450 | Fair |
| I-90 WB over Sheffield Avenue No. 046010 | 00.66 W US 41 | 1956 | Stringer/Multi-beam or Girder | 304 ft | 17,450 | Fair |
| I-90 WB over US 41/CALUMET Ave No. 046030 | 01.31 W SR 312 | 1956 | Stringer/Multi-beam or Girder | 317 ft | 17,450 | Fair |
| I-90 EB over Burns Ditch/Deep River No. 046710 | 00.17 W I-94 | 1956 | Stringer/Multi-beam or Girder | 217 ft | 17,335 | Fair |
| I-90 WB over Burns Ditch/Deep River No. 046720 | 00.17 W I-94 | 1956 | Stringer/Multi-beam or Girder | 217 ft | 17,335 | Fair |
| I-90 EB over Ej&e RR No. 046280 | 00.50 E SR 912 | 1956 | Stringer/Multi-beam or Girder | 216 ft | 17,316 | Fair |
| I-90 WB over Bridge Street No. 046390 | 01.15 E US 12 | 1956 | Stringer/Multi-beam or Girder | 370 ft | 17,316 | Good |
| I-90 EB over SR 912 E to I-90 Ebl No. 046297 | 00.00 JCT I-90 | 1984 | Stringer/Multi-beam or Girder | 176 ft | 17,255 | Fair |
| I-90 Wbl over SR 912 E to I-90 E No. 046298 | 00.00 JCT I-90 | 1984 | Stringer/Multi-beam or Girder | 176 ft | 17,255 | Fair |
| I-90 WB over Grand Calumet River No. 046352 | 00.72 E US 12 | 2011 | Stringer/Multi-beam or Girder | 158 ft | 17,255 | Good |
| 45th Street over Hart Ditch No. 4500150 | 00.10 W. of White Oak Ave | 1960 | Slab | 98 ft | 16,906 | Poor |
| Ridge Road over Conrail Railroad No. 4500113 | 00.30 E US 41 | 1997 | Stringer/Multi-beam or Girder | 164 ft | 16,879 | Fair |
| Ridge Road over Hart Ditch No. 4500117 | 00.40 W US 41 | 1996 | Stringer/Multi-beam or Girder | 110 ft | 16,879 | Good |
| Ridge Road over Kennedy Avenue Trail No. 4500118 | 00.50 E US 41 | 1936 | Stringer/Multi-beam or Girder | 389 ft | 16,879 | Poor |
Structure types in Lake County
| Stringer/Multi-beam or Girder | 255 | 50.9% |
| Slab | 77 | 15.4% |
| Box Beam or Girders - Single or Spread | 40 | 8.0% |
| Box Beam or Girders - Multiple | 39 | 7.8% |
| Culvert | 38 | 7.6% |
| Tee Beam | 36 | 7.2% |
| Segmental Box Girder | 4 | 0.8% |
| Channel Beam | 4 | 0.8% |
| Arch - Deck | 3 | 0.6% |
| Truss - Thru | 2 | 0.4% |
| Movable - Bascule | 2 | 0.4% |
| Frame | 1 | 0.2% |
Other counties in Indiana
- Adams County 195
- Allen County 615
- Bartholomew County 269
- Benton County 152
- Blackford County 73
- Boone County 292
- Brown County 114
- Carroll County 160
- Cass County 187
- Clark County 259
- Clay County 185
- Clinton County 210
- Crawford County 123
- Daviess County 221
- Dearborn County 145
- Decatur County 220
- DeKalb County 149
- Delaware County 276
- Dubois County 220
- Elkhart County 278
- Fayette County 100
- Floyd County 149
- Fountain County 196
- Franklin County 161
- Fulton County 85
- Gibson County 366
- Grant County 280
- Greene County 239
- Hamilton County 460
- Hancock County 201
- Harrison County 128
- Hendricks County 358
- Henry County 206
- Howard County 194
- Huntington County 187
- Jackson County 321
- Jasper County 189
- Jay County 191
- Jefferson County 154
- Jennings County 162
- Johnson County 230
- Knox County 290
- Kosciusko County 153
- LaGrange County 100
- LaPorte County 227
- Lawrence County 165
- Madison County 301
- Marion County 969
- Marshall County 183
- Martin County 104
- Miami County 171
- Monroe County 234
- Montgomery County 252
- Morgan County 253
- Newton County 172
- Noble County 88
- Ohio County 41
- Orange County 136
- Owen County 150
- Parke County 200
- Perry County 149
- Pike County 173
- Porter County 279
- Posey County 207
- Pulaski County 102
- Putnam County 293
- Randolph County 256
- Ripley County 191
- Rush County 227
- Scott County 118
- Shelby County 247
- Spencer County 247
- St. Joseph County 227
- Starke County 87
- Steuben County 135
- Sullivan County 217
- Switzerland County 62
- Tippecanoe County 330
- Tipton County 117
- Union County 58
- Vanderburgh County 279
- Vermillion County 127
- Vigo County 296
- Wabash County 192
- Warren County 135
- Warrick County 197
- Washington County 174
- Wayne County 343
- Wells County 158
- White County 214
- Whitley County 115