Morton County, North Dakota bridges
Morton County has 269 bridges and culverts in the National Bridge Inventory, the oldest built in 1916. 26 (10%) are rated poor. The most common type is stringer/multi-beam or girder (36%).
- Bridges
- 269
- Good
- 43%
- Fair
- 48%
- Poor
- 10%
- 26 bridges
- Average age
- 52.4 yrs
- Posted or closed
- 64
Map of bridges in Morton County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Morton County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good43%(115)
Fair48%(128)
Poor10%(26)
When they were built
Busiest
- Interstate 94 over Missouri RiverFair24,125 vehicles/day
- Interstate 194 over Business Loop 94Fair18,200 vehicles/day
- I-94 Business Loop over West Midway SeparationFair16,750 vehicles/day
- Interstate 94 over East Midway InterchangeFair9,100 vehicles/day
- Interstate 194 over Business 94Fair9,100 vehicles/day
Longest
- Fair
- Fair
- Fair
- Fair
- Good
Oldest
- Poor
- 62nd Ave over Big Muddy CreekFairBuilt 1916
- County Road 134 over CreekFairBuilt 1919
- Poor
- County Road 83 over CreekFairBuilt 1919
All bridges in Morton County
Busiest first · showing 1–200 of 269| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Interstate 94 over Missouri River No. 0094156609 | 3 West of US 83 North | 1965 | Stringer/Multi-beam or Girder | 1,125 ft | 24,125 | Fair |
| Interstate 194 over Business Loop 94 No. 0094920395 | 2 East of Mandan | 1981 | Stringer/Multi-beam or Girder | 257 ft | 18,200 | Fair |
| I-94 Business Loop over West Midway Separation No. 0094155026 R | 4 West of US 83 North | 1965 | Stringer/Multi-beam or Girder | 245 ft | 16,750 | Fair |
| Interstate 94 over East Midway Interchange No. 0094156069 R | 3 West of US 83 North | 1965 | Stringer/Multi-beam or Girder | 220 ft | 9,100 | Fair |
| Interstate 194 over Business 94 No. 0194001048 R | 1 Southeast Junct 194 | 1981 | Stringer/Multi-beam or Girder | 485 ft | 9,100 | Fair |
| Interstate 194 over Business 94 No. 0194001054 L | 1 Southeast of Junct 194 | 1981 | Stringer/Multi-beam or Girder | 485 ft | 9,100 | Fair |
| Interstate 94 over Refinery Road Interchang No. 0094153988 L | 5 West of US 83 North | 1964 | Stringer/Multi-beam or Girder | 205 ft | 7,750 | Fair |
| Interstate 94 over Refinery Road Interchang No. 0094153988 R | 5 West of US 83 North | 1964 | Stringer/Multi-beam or Girder | 205 ft | 7,750 | Fair |
| Interstate 94 over Bnrr and Missouri Road No. 0094154232 L | 5 West of US 83 North | 1964 | Stringer/Multi-beam or Girder | 180 ft | 7,750 | Fair |
| Interstate 94 over Bnrr and Missouri Road No. 0094154232 R | 5 West of US 83 North | 1964 | Stringer/Multi-beam or Girder | 180 ft | 7,750 | Fair |
| Nd Highway 1806 over Heart River No. 1806069384 | 1 South of I-94 | 1976 | Stringer/Multi-beam or Girder | 251 ft | 7,360 | Good |
| Nd Highway 6 over Burlington Northern RR No. 0006067352 | 10th Ave & Main ST Mandan | 1990 | Stringer/Multi-beam or Girder | 395 ft | 6,800 | Good |
| Interstate 94 over Sweet Briar Creek No. 0094135167 | 7 East of Nd 31 | 1964 | Culvert | 34 ft | 6,600 | Fair |
| Interstate 94 over Creek No. 0094139612 | 8 West of Nd 25 | 1964 | Culvert | 29 ft | 6,600 | Fair |
| Bismarck Expwy over Mckenzie Drive No. 0810000493 L | Mckenzie Drive Int. | 1984 | Box Beam or Girders - Single or Spread | 172 ft | 6,500 | Good |
| Bismarck Expwy over Mckenzie Drive No. 0810000493 R | Mckenzie Drive Int. | 1984 | Box Beam or Girders - Single or Spread | 172 ft | 6,500 | Good |
| Interstate 94 over Sunset Dr/Nw Mandan Int. No. 0094152329 L | 5 East of Nd 25 | 1964 | Stringer/Multi-beam or Girder | 166 ft | 6,350 | Good |
| Interstate 94 over Sunset Dr/Nw Mandan Int. No. 0094152329 R | 5 East of Nd 25 | 1964 | Stringer/Multi-beam or Girder | 166 ft | 6,350 | Good |
| Interstate 94 over Collins Avenue No. 0094153068 L | 6 East of Nd 25 | 1964 | Stringer/Multi-beam or Girder | 150 ft | 6,350 | Fair |
| Interstate 94 over Collins Avenue No. 0094153068 R | 6 East of Nd 25 | 1964 | Stringer/Multi-beam or Girder | 150 ft | 6,350 | Fair |
| Interstate 94 over Hailstone Creek No. 0094119204 | 8 West of Nd 31 | 1960 | Culvert | 40 ft | 5,400 | Fair |
| Nd Highway 6 over Heart River No. 0006066735 | 1 South of Mandan | 1984 | Stringer/Multi-beam or Girder | 316 ft | 3,550 | Good |
| Interstate 94 over CO HWY Rr/Eagle Nest Int No. 0094102903 L | 7 West of Nd 49 | 2024 | Box Beam or Girders - Single or Spread | 397 ft | 3,550 | Good |
| I-94 Business Loop over Heart River No. 0094915101 | 1 West of Nd 6 | 2007 | Stringer/Multi-beam or Girder | 335 ft | 3,260 | Good |
| Interstate 94 over CO Hwy/Rosebud Separatio No. 0094132115 L | 4 East of Nd 31 | 1964 | Tee Beam | 115 ft | 3,250 | Fair |
| Interstate 94 over Rosebud Separation No. 0094132115 R | 4 East of Nd 31 | 1964 | Tee Beam | 115 ft | 3,250 | Fair |
| Interstate 94 over CO HWY Rr/Eagle Nest Int No. 0094102911 R | 7 West of Nd 49 | 2023 | Box Beam or Girders - Single or Spread | 397 ft | 3,225 | Good |
| Interstate 94 over Wilson Creek No. 0094114677 L | 4 East of Nd 49 | 1960 | Tee Beam | 70 ft | 2,700 | Fair |
| Interstate 94 over Wilson Creek No. 0094114677 R | 4 East of Nd 49 | 1960 | Tee Beam | 70 ft | 2,700 | Fair |
| Park Approach Rd. over Creek No. 1806067137 N | 3 South of I-94 | 1997 | Culvert | 33 ft | 2,630 | Good |
| Nd Highway 1806 over Creek No. 1806064187 | 6 South of I-94 | 1966 | Culvert | 26 ft | 2,450 | Fair |
| Interstate 94 over North Creek No. 0094108612 L | 2 West of Nd 49 | 1961 | Tee Beam | 125 ft | 2,300 | Fair |
| Interstate 94 over North Creek No. 0094108612 R | 2 West of Nd 49 | 1961 | Tee Beam | 125 ft | 2,300 | Good |
| Nd Highway 1806 over Creek No. 1806063209 | 7 South of I-94 | 1996 | Culvert | 25 ft | 1,950 | Good |
| Nd Highway over I-94/ND 31 Interchange No. 0094127662 | Junction of Nd 31 & I-94 | 1964 | Stringer/Multi-beam or Girder | 221 ft | 1,900 | Fair |
| Nd Highway over I-94/ND 94 & Nd 25 Int No. 0094147183 | JCT of I-94 & Nd 94 & 25 | 1964 | Stringer/Multi-beam or Girder | 245 ft | 1,850 | Fair |
| Nd Highway 1806 over Little Heart River No. 1806059819 | 10 South of I-94 | 1990 | Box Beam or Girders - Single or Spread | 130 ft | 1,700 | Good |
| Nd Highway 6 over Little Heart River No. 0006057522 | 10 South of Mandan | 1941 | Box Beam or Girders - Single or Spread | 128 ft | 1,660 | Good |
| Nd Highway 6 over SE Br-Little Heart River No. 0006053173 | 1 East ST Anthony | 1994 | Culvert | 34 ft | 1,550 | Good |
| Irrsr Nd Hway 1806 over Rice Creek No. 1806041855 | 11 North of Nd 24 | 1962 | Box Beam or Girders - Multiple | 132 ft | 1,520 | Fair |
| I-94 Business Loop over Heart River No. 0094912032 | 4 West of Nd 6 | 2011 | Stringer/Multi-beam or Girder | 349 ft | 1,475 | Good |
| Irrsr Nd Hway 1806 over Cannonball River No. 1806034280 | 3 North of Nd 24 | 1962 | Box Beam or Girders - Multiple | 393 ft | 1,450 | Poor |
| Irrsr Nd Hway 1806 over Cantapeta Creek No. 1806035070 | 4 North of Nd 24 | 1962 | Box Beam or Girders - Multiple | 162 ft | 1,450 | Fair |
| I-94 Business Loop over Creek No. 0094910922 | 5 West of Nd 6 | 1948 | Culvert | 25 ft | 1,200 | Fair |
| Nd Highway 31 over Creek No. 0031081254 | 3 North of I-94 | 1976 | Culvert | 31 ft | 1,120 | Good |
| Nd Highway 31 over Creek No. 0031082034 | 4 North of I-94 | 1976 | Culvert | 24 ft | 1,070 | Good |
| Nd Highway over Square Butte Creek No. 0025008224 | 8 North of I-94 | 1987 | Stringer/Multi-beam or Girder | 106 ft | 1,020 | Good |
| Nd Highway over Creek No. 0025003781 | 4 North of I-94 | 1954 | Culvert | 21 ft | 1,000 | Fair |
| Nd Highway over Otter Creek No. 0025004464 | 5 North of I-94 | 1954 | Culvert | 32 ft | 1,000 | Fair |
| Nd Highway over I-94/ND 49 Interchange No. 0094110367 | Junction of Nd 49 & I-94 | 1961 | Stringer/Multi-beam or Girder | 230 ft | 1,000 | Fair |
| Nd Highway 31 over Sweet Briar Creek No. 0031084239 | 6 North of I-94 | 1932 | Stringer/Multi-beam or Girder | 65 ft | 930 | Fair |
| Nd Highway over Louse Creek No. 0021106109 | 1 West of Flasher | 1954 | Stringer/Multi-beam or Girder | 120 ft | 900 | Good |
| Nd Highway 49 over Big Muddy Creek No. 0049071212 | 3 South of I-94 | 1959 | Tee Beam | 95 ft | 890 | Good |
| Nd Highway over Br. Chanta Peta Creek No. 0021109720 | 3 East of Flasher | 1966 | Culvert | 21 ft | 870 | Good |
| Nd Highway over Chanta Peta Creek No. 0021110468 | 4 East of Flasher | 1954 | Stringer/Multi-beam or Girder | 100 ft | 860 | Good |
| Nd Highway 49 over Haymarsh Creek No. 0049072457 | 1 South of I-94 | 1959 | Tee Beam | 86 ft | 860 | Fair |
| Nd Highway 49 over Creek No. 0049066534 | 1 South of Glen Ullin | 1935 | Culvert | 32 ft | 830 | Fair |
| Nd Highway over E Br Chanta Peta Creek No. 0021116858 | 6 West of Nd 6 | 1987 | Culvert | 25 ft | 750 | Good |
| Nd Highway over E Br Chanta Peta Creek No. 0021117460 | 5 West of Nd 6 | 1954 | Culvert | 29 ft | 750 | Fair |
| Nd Highway over E Br Chanta Peta Creek No. 0021118908 | 4 West Nd 6 | 1987 | Culvert | 25 ft | 750 | Good |
| Nd Highway over E Br Chanta Peta Creek No. 0021119357 | 3 West of Nd 6 | 1987 | Culvert | 25 ft | 750 | Good |
| Nd Highway 49 over Creek No. 0049061561 | 6 South of Glen Ullin | 1994 | Culvert | 23 ft | 680 | Good |
| Nd Highway 49 over Heart Butte Creek No. 0049061994 | 6 South of Glen Ullin | 1988 | Culvert | 43 ft | 680 | Good |
| Nd Highway 1806 over Creek No. 1806082648 | 8 North of I-94 | 2000 | Culvert | 21 ft | 620 | Good |
| Brickmaker Expwy over Little Knife River No. 000000030102060 | West of Hebron | 1960 | Stringer/Multi-beam or Girder | 55 ft | 583 | Fair |
| Irrsr Nd Highway 6 over Cannonball River No. 0006035187 | At Breien | 1984 | Stringer/Multi-beam or Girder | 445 ft | 535 | Fair |
| County Highway 139 over Big Muddy Creek No. 000000030110110 | 3 West 1 North Glen Ullin | 1970 | Channel Beam | 32 ft | 500 | Good |
| County Road 139 over Drainage Area No. 000000030108090 | 4 South 6 East of Hebron | 1965 | Culvert | 36 ft | 470 | Good |
| County Road 139 over Drainage Area No. 000000030108091 | 3 South 6 East of Hebron | 1965 | Culvert | 21 ft | 470 | Fair |
| County Highway 139 over Big Muddy Creek No. 000000030109100 | 2 North 4 West Glen Ullin | 1950 | Culvert | 32 ft | 470 | Fair |
| HWY 139 over Big Muddy Creek No. 000000030112123 | 1 West of Glen Ullin | 1950 | Culvert | 53 ft | 470 | Fair |
| County Road 139 over Drainage Area No. 000000030112121 | 1 West of Glen Ullin | 1955 | Slab | 24 ft | 450 | Fair |
| County Highway 139 over Sweet Briar Creek No. 000000030141090 | 2 North 2 East of Judson | 1964 | Tee Beam | 64 ft | 405 | Fair |
| CR139 over Creek No. 000000030145090 | 1 North 6 East of Judson | 1960 | Culvert | 32 ft | 405 | Poor |
| County Highway 139 over Creek No. 000000030146090 | 2 North 7 East of Judson | 1930 | Culvert | 26 ft | 405 | Fair |
| County Road 139 over Crown Butte Creek No. 000000030150100 | 2 North 11 East of Judson | 1948 | Culvert | 32 ft | 405 | Fair |
| County Highway over I-94/GLEN Ullin Int No. 0094108354 | 2 West of Nd 49 | 1961 | Stringer/Multi-beam or Girder | 225 ft | 380 | Fair |
| S Elk ST over Little Knife River No. 000000030103060 | Elk Street in Hebron | 1973 | Box Beam or Girders - Multiple | 73 ft | 352 | Fair |
| 65th Ave over Big Muddy Creek No. 000000030113110 | 1 North of Glen Ullin | 1962 | Box Beam or Girders - Multiple | 41 ft | 350 | Fair |
| County Road 86 over Big Muddy Creek No. 000000030128180 | City of Almont | 2019 | Box Beam or Girders - Single or Spread | 171 ft | 350 | Good |
| County Road 86 over Hail Storm Creek No. 000000030128150 | 2 North of Almont | 1989 | Box Beam or Girders - Single or Spread | 98 ft | 321 | Good |
| County Highway over I-94/HEBRON Interchange No. 0094097188 | 12 East of Nd 8 | 1961 | Stringer/Multi-beam or Girder | 231 ft | 320 | Fair |
| Nd Highway 1806 over Square Butte Creek No. 1806084748 | 1 South of County Line | 2011 | Box Beam or Girders - Single or Spread | 125 ft | 300 | Good |
| Nd Highway 1806 over Br.Square Butte Creek No. 1806085052 | 1 South of County Line | 2011 | Culvert | 37 ft | 300 | Good |
| County Highway 84 over Creek No. 000000030140112 | At Judson | 1968 | Box Beam or Girders - Multiple | 45 ft | 295 | Good |
| County Highway over I-94/JUDSON Interchange No. 0094134115 | 6 East of Nd 31 | 1964 | Stringer/Multi-beam or Girder | 245 ft | 280 | Fair |
| Mckenzie Dr.Se over Water Way No. 0000MAN01 | Lakewood Harbor Mandan | 2007 | Box Beam or Girders - Multiple | 80 ft | 250 | Good |
| South Bay Dr.Se over Water Way No. 0000MAN02 | Lakewood Harbor Mandan | 2007 | Box Beam or Girders - Multiple | 80 ft | 250 | Good |
| Bay Shore Bend SE over Water Way No. 0000MAN03 | Lakewood Harbor Mandan | 2007 | Box Beam or Girders - Multiple | 80 ft | 250 | Good |
| County Highway 84 over Sweet Briar No. 000000030139070 | 3 North of Judson | 1988 | Box Beam or Girders - Single or Spread | 90 ft | 230 | Good |
| County Road 139A over Creek No. 000000030147080 | 3 North 7 East of Judson | 1940 | Culvert | 21 ft | 230 | Good |
| County Highway over Crown Butte Creek No. 000000030148080 | 3 North 8 East of Judson | 1945 | Culvert | 21 ft | 230 | Good |
| South Park Street over Branch of Knife River No. 000000030103061 | City of Hebron | 1916 | Truss - Thru | 77 ft | 200 | Poor |
| County Highway over I-94/SWEET Briar Int No. 0094140158 | 7 West of Nd 25 | 1964 | Stringer/Multi-beam or Girder | 245 ft | 200 | Good |
| CR140 over Drainage Area No. 000000030109020 | 3 North 3 East of Hebron | 1980 | Tee Beam | 41 ft | 190 | Good |
| 49th ST (cr 137) over Beaver Creek No. 000000030136190 | 9 South 2 East New Salem | 1970 | Channel Beam | 36 ft | 172 | Fair |
| County Road 86 over Muskrat Creek No. 000000030128120 | 5 North of Almont | 1999 | Culvert | 25 ft | 155 | Good |
| CR90 over Drainage Area No. 000000030104020 | 1 East 3 North of Hebron | 1967 | Channel Beam | 31 ft | 150 | Fair |
| 39th Avenue over Creek No. 000000030139121 | 1 South of Judson | 1962 | Channel Beam | 31 ft | 150 | Fair |
| 35th ST over Square Butte Creek No. 000000030156050 | 1 West 5 North Mandan | 2004 | Culvert | 43 ft | 144 | Fair |
| Main Avenue over Little Knife River No. 000000030104060 | 1 East of Hebron | 1955 | Stringer/Multi-beam or Girder | 55 ft | 130 | Fair |
| County Road 137 over Hail Storm Creek No. 000000030129180 | 1 East of Almont | 1980 | Box Beam or Girders - Single or Spread | 124 ft | 130 | Fair |
| County Highway over I-94/ALMONT Interchange No. 0094123200 | 5 West of Nd 31 | 1960 | Stringer/Multi-beam or Girder | 221 ft | 130 | Fair |
| 35th ST over Little Knife River No. 000000030104050 | 1 East of Hebron | 1964 | Box Beam or Girders - Multiple | 51 ft | 125 | Fair |
| 33rd Street over Little Knife River No. 000000030101033 | 2 North 1 West of Hebron | 2022 | Culvert | 53 ft | 110 | Good |
| County Highway 86 over Drainage Area No. 000000030128190 | 1 South of Almont | 1968 | Channel Beam | 31 ft | 110 | Poor |
| Rice ST over Cannonball River No. 000000030162410 | At Solen | 1949 | Stringer/Multi-beam or Girder | 252 ft | 110 | Fair |
| County Highway 90 over Little Knife River No. 000000030104041 | 1 East 1 North of Hebron | 1960 | Box Beam or Girders - Multiple | 40 ft | 105 | Good |
| 76th Ave SW over Little Knife River No. 000000030102041 | 2 North of Hebron | 2022 | Culvert | 53 ft | 100 | Good |
| CR139 over Big Muddy Creek No. 000000030117110 | 4 East of Glen Ullin | 1937 | Tee Beam | 95 ft | 100 | Fair |
| County Road 139 over Drainage Area No. 000000030121090 | 8 East 2 North Glen Ullin | 1947 | Culvert | 25 ft | 100 | Fair |
| 33rd ST over Hailstone Creek No. 000000030122030 | 9 East 8 North Glen Ullin | 2000 | Stringer/Multi-beam or Girder | 100 ft | 100 | Good |
| County Road 139 over Creek No. 000000030122090 | 8 E 2 N Glen Ullin | 1947 | Culvert | 21 ft | 100 | Fair |
| County Road 139 over Hailstorm Creek No. 000000030125090 | 8 West of New Salem | 1947 | Culvert | 36 ft | 100 | Fair |
| CR 139 over Muskrat Creek No. 000000030128090 | 5 West of New Salem | 1937 | Culvert | 21 ft | 100 | Fair |
| Main Street over Louse Creek No. 000000030142370 | Southside of Flasher | 1984 | Box Beam or Girders - Single or Spread | 82 ft | 100 | Fair |
| County Road 136 over Creek No. 000000030153250 | 4 West of ST Anthony | 1954 | Channel Beam | 31 ft | 100 | Fair |
| County Road 136 over S Branch Little Heart Rv No. 000000030154251 | 3 West of ST Anthony | 1954 | Channel Beam | 31 ft | 100 | Fair |
| County Road 138 over Heart Butte Creek No. 000000030108160 | 4 West 5 South Glen Ullin | 2002 | Culvert | 29 ft | 96 | Good |
| 64th Ave (CR88) over Drainage Area No. 000000030112041 | 7 North of Glen Ullin | 1964 | Channel Beam | 32 ft | 90 | Fair |
| 66th Ave over Drainage Area No. 000000030112060 | 5 North 1 West Glen Ullin | 1964 | Channel Beam | 32 ft | 90 | Fair |
| 66th Ave over Drainage Area No. 000000030112061 | 5 North 1 West Glen Ullin | 1963 | Box Beam or Girders - Multiple | 41 ft | 90 | Good |
| 49th ST (cr 137) over Heart River No. 000000030143191 | 9 South 3 East of Judson | 2024 | Stringer/Multi-beam or Girder | 336 ft | 90 | Good |
| 67th Ave SW over Drainage Area No. 000000030109010 | 6 East 5 North of Hebron | 1971 | Channel Beam | 26 ft | 85 | Poor |
| CR 84 over Heart River No. 000000030140290 | 7 North 2 West of Flasher | 1973 | Box Beam or Girders - Single or Spread | 214 ft | 80 | Good |
| 60th Street over Creek No. 000000030140300 | 6 North 2 West of Flasher | 1955 | Channel Beam | 26 ft | 80 | Good |
| 49th Street over Creek No. 000000030148190 | 9 South 9 East of Judson | 1956 | Channel Beam | 32 ft | 78 | Fair |
| County Highway 138 over Beaver Creek No. 000000030102160 | 1 WEST&11 South of Hebron | 1940 | Stringer/Multi-beam or Girder | 41 ft | 75 | Fair |
| CR138 over Drainage Area No. 000000030103160 | 11 South of Hebron | 1973 | Stringer/Multi-beam or Girder | 32 ft | 75 | Poor |
| County Highway 138 over Drainage Area No. 000000030108161 | 4 West 5 South Glen Ullin | 1973 | Stringer/Multi-beam or Girder | 31 ft | 75 | Fair |
| CR138 over Big Muddy Creek No. 000000030124140 | 5 West 3 North of Almont | 1988 | Box Beam or Girders - Single or Spread | 112 ft | 75 | Good |
| County Highway over Creek No. 000000030166310 | 1 North 6 West Ft Rice | 2001 | Culvert | 25 ft | 75 | Good |
| County Highway over I-94/BLUEGRASS Int No. 0094120204 | 7 West of Nd 31 | 1960 | Stringer/Multi-beam or Girder | 221 ft | 75 | Fair |
| County Road 87 over Kurtz Creek No. 000000030118120 | 5 East of Glen Ullin | 1991 | Culvert | 22 ft | 72 | Good |
| County Road 138 over Creek No. 000000030120120 | 7 East 1 South Glen Ullin | 1994 | Culvert | 23 ft | 72 | Good |
| County Road 138 over Drainage Area No. 000000030123140 | 6 West 4 North of Almont | 1991 | Culvert | 24 ft | 72 | Good |
| County Road 138 over Big Muddy Creek No. 000000030126161 | 2 West 2 North of Almont | 1987 | Box Beam or Girders - Single or Spread | 112 ft | 72 | Good |
| County Road 138 over Big Muddy Creek No. 000000030127160 | 2 West 1 North of Almont | 1984 | Box Beam or Girders - Single or Spread | 106 ft | 72 | Good |
| County Highway 136 over SE Br Little Heart River No. 000000030158250 | 1 East of ST Anthony | 1965 | Box Beam or Girders - Multiple | 50 ft | 72 | Good |
| 69th Street over Louse Creek No. 000000030145390 | 2 South 4 East of Flasher | 2016 | Culvert | 26 ft | 70 | Good |
| County Road 134 over Creek No. 000000030155420 | 17 S 2 W of ST Anthony | 1919 | Stringer/Multi-beam or Girder | 24 ft | 70 | Fair |
| 41st ST over Big Muddy Creek No. 000000030118110 | 5 East of Glen Ullin | 1992 | Box Beam or Girders - Single or Spread | 86 ft | 60 | Good |
| County Road 135 over SE Branch Little Heart R No. 000000030159300 | 5 South 1 East ST Anthony | 1960 | Channel Beam | 31 ft | 60 | Good |
| 19th Ave over NW Br Cantapeta Creek No. 000000030161320 | 6 South 4 East ST Anthony | 1960 | Channel Beam | 26 ft | 60 | Fair |
| County Highway 81 over NW Br Cantapeta Creek No. 000000030162340 | 8 South 5 East ST Anthony | 1960 | Channel Beam | 31 ft | 60 | Good |
| CR81 over Creek No. 000000030162341 | 8 South 5 East ST Anthony | 1960 | Channel Beam | 26 ft | 60 | Good |
| 41st Avenue over Sweet Briar Creek No. 000000030137070 | 2 West 4 North of Judson | 1985 | Box Beam or Girders - Single or Spread | 138 ft | 55 | Good |
| County Highway over I-94/DENGATE Interchange No. 0094117197 | 7 East of Nd 49 | 1960 | Stringer/Multi-beam or Girder | 220 ft | 55 | Fair |
| CR 87 over Hailstorm Creek No. 000000030122040 | 9 East 7 North New Salem | 2006 | Box Beam or Girders - Single or Spread | 66 ft | 50 | Good |
| Sims RD over Sims Creek No. 000000030130150 | 2 North 1 East of Almont | 2020 | Culvert | 29 ft | 50 | Good |
| County Highway 83 over Sweet Briar Creek No. 000000030145120 | 1 South of Sweet Briar | 1981 | Box Beam or Girders - Single or Spread | 104 ft | 50 | Good |
| 32nd Ave over Chanta Peta Creek No. 000000030148341 | 2 North 7 East of Flasher | 1983 | Box Beam or Girders - Single or Spread | 50 ft | 50 | Good |
| Lyons Road over Sweet Briar Creek No. 000000030149130 | 8 West 2 South of Mandan | 2003 | Box Beam or Girders - Single or Spread | 92 ft | 50 | Good |
| CR140 over Otter Creek No. 000000030150022 | 6 West 6 North of Mandan | 1976 | Tee Beam | 24 ft | 50 | Fair |
| 35th Street over Creek No. 000000030152050 | 5 North 13 East of Judson | 1955 | Tee Beam | 31 ft | 50 | Good |
| 25th Ave over Otter Creek No. 000000030153041 | 2 West 1 South of Harmon | 2024 | Culvert | 33 ft | 50 | Good |
| County Highway 83 over Creek No. 000000030145100 | 1 North 7 East of Judson | 1979 | Tee Beam | 36 ft | 45 | Poor |
| County Highway 90 over Drainage Area No. 000000030102120 | 1 West 6 South of Hebron | 1968 | Channel Beam | 32 ft | 40 | Poor |
| 74th Ave over Drainage Area No. 000000030104070 | 1 East 2 South of Hebron | 1972 | Channel Beam | 25 ft | 40 | Fair |
| County Road 89 over Drainage Area No. 000000030105071 | 2 East 1 South of Hebron | 2016 | Culvert | 21 ft | 40 | Good |
| County Road 137 over Creek No. 000000030128181 | 1 West of Almont | 1975 | Tee Beam | 31 ft | 40 | Good |
| County Road 137 over Creek No. 000000030128182 | 1 West of Almont | 1975 | Tee Beam | 31 ft | 40 | Fair |
| 32nd St. (cr 140) over Drainage Area No. 000000030134020 | 7 North 1 East New Salem | 1970 | Box Beam or Girders - Multiple | 40 ft | 40 | Fair |
| County Highway 83 over Creek No. 000000030145110 | 6 East of Judson | 1948 | Stringer/Multi-beam or Girder | 32 ft | 40 | Fair |
| 53rd Street over S Brc Little Heart River No. 000000030156231 | 2 North 2 West ST Anthony | 2024 | Culvert | 48 ft | 40 | Good |
| County Road 81 over Little Heart River No. 000000030161200 | 5 North 4 East ST Anthony | 1983 | Stringer/Multi-beam or Girder | 116 ft | 40 | Good |
| 15th Ave/Co HWY 80 over NW Br Cantapeta Creek No. 000000030165361 | 5 South 7 West of Ft Rice | 2023 | Culvert | 21 ft | 40 | Good |
| County Road 134 over Cantapeta Creek No. 000000030168371 | 5 East 4 North of Solen | 2023 | Culvert | 29 ft | 40 | Good |
| County Road 134 over Cantapeta Creek No. 000000030168381 | 5 East 4 North of Solen | 2023 | Culvert | 30 ft | 40 | Good |
| 61st Street over Rice Creek No. 000000030170311 | 1 North 2 West of Ft Rice | 1978 | Tee Beam | 36 ft | 40 | Good |
| 52nd ST over Drainage Area No. 000000030119220 | 4 South 9 West of Almont | 2005 | Culvert | 29 ft | 35 | Good |
| County Road 134 over Cantapeta Creek No. 000000030169380 | 6 South 3 West of Ft Rice | 1983 | Box Beam or Girders - Single or Spread | 74 ft | 35 | Good |
| Service Road over Creek No. 0094102819 S | North of Eagles Nest Int. | 1961 | Tee Beam | 85 ft | 35 | Good |
| 33rd ST over Wilson Creek No. 000000030117030 | 3 East 8 North Glen Ullin | 1967 | Box Beam or Girders - Multiple | 41 ft | 30 | Poor |
| 40th Ave over Creek No. 000000030141250 | 11 North 1 West Flasher | 1942 | Stringer/Multi-beam or Girder | 32 ft | 30 | Poor |
| County Highway 83 over Heart River No. 000000030146150 | 4 South 7 East of Judson | 1945 | Stringer/Multi-beam or Girder | 237 ft | 30 | Fair |
| County Road 81 over Creek No. 000000030160222 | 3 North 3 East ST Anthony | 2016 | Culvert | 29 ft | 30 | Good |
| County Highway over Creek No. 000000030160240 | 2 North 3 East ST Anthony | 2008 | Culvert | 29 ft | 30 | Good |
| County Road 80 over N Branch Cantapeta Creek No. 000000030168350 | 4 South 4 West of Ft Rice | 1974 | Box Beam or Girders - Multiple | 41 ft | 30 | Fair |
| County Highway over I-94/GECK Township Int No. 0094113389 | 3 East of Nd 49 | 1961 | Stringer/Multi-beam or Girder | 225 ft | 30 | Fair |
| County Highway over I-94/SWEET Briar Sep No. 0094136143 | 8 East of Nd 31 | 1964 | Stringer/Multi-beam or Girder | 245 ft | 30 | Fair |
| 75th Ave over Drainage Area No. 000000030103130 | 1 East 7 South of Hebron | 1970 | Channel Beam | 26 ft | 25 | Good |
| CR89 over Creek No. 000000030105142 | 3 East 8 South of Hebron | 1970 | Stringer/Multi-beam or Girder | 31 ft | 25 | Fair |
| 34th ST over Drainage Area No. 000000030110040 | 7 East 2 North of Hebron | 1968 | Channel Beam | 26 ft | 25 | Poor |
| 34th ST over Drainage Area No. 000000030111040 | 8 East 2 North of Hebron | 1973 | Channel Beam | 26 ft | 25 | Fair |
| 66th Ave over Big Muddy Creek No. 000000030112120 | NW Glen Ullin | 1985 | Tee Beam | 118 ft | 25 | Good |
| 58th Avenue over Drainage Area No. 000000030120230 | 5 South 8 West of Almont | 1966 | Stringer/Multi-beam or Girder | 32 ft | 25 | Poor |
| 57th Avenue over East Wilson Creek No. 000000030121091 | 11 West of New Salem | 2017 | Culvert | 21 ft | 25 | Good |
| 55th Ave. over Bn Railroad No. 000000030123100 | 9 West of New Salem | 1949 | Stringer/Multi-beam or Girder | 225 ft | 25 | Fair |
| 67th Street over Louse Creek No. 000000030143370 | 1 Southeast of Flasher | 1993 | Box Beam or Girders - Single or Spread | 67 ft | 25 | Fair |
| 64th Street over Creek No. 000000030145340 | 2 North 4 East of Flasher | 2006 | Box Beam or Girders - Single or Spread | 65 ft | 25 | Good |
| 35th Avenue over Louse Creek No. 000000030145400 | 4 East 2 South of Flasher | 1991 | Channel Beam | 32 ft | 25 | Fair |
| CR135 over Chanta Peta Creek No. 000000030147310 | 6 North 6 East of Flasher | 1995 | Box Beam or Girders - Single or Spread | 74 ft | 25 | Good |
| 64th ST over Chanta Peta Creek No. 000000030148340 | 2 North 6 East of Flasher | 1979 | Stringer/Multi-beam or Girder | 32 ft | 25 | Fair |
| County Road 134 over Louse Creek No. 000000030149410 | 7 East 3 South of Flasher | 1982 | Box Beam or Girders - Single or Spread | 100 ft | 25 | Good |
| County Highway over Drainage Area No. 000000030150050 | 6 North 10 East of Judson | 1973 | Stringer/Multi-beam or Girder | 29 ft | 25 | Fair |
| CR135 over Creek No. 000000030154320 | 7 South 3 West ST Anthony | 1973 | Channel Beam | 25 ft | 25 | Fair |
| 26th Ave over Chanta Peta Creek No. 000000030154430 | 17 S 3 W of ST Anthony | 1985 | Box Beam or Girders - Single or Spread | 156 ft | 25 | Good |
| 34th Street over Square Butte Creek No. 000000030156041 | 2 West 6 North of Mandan | 1971 | Box Beam or Girders - Multiple | 40 ft | 25 | Poor |
| CO RD 137 over Little Heart River No. 000000030159210 | 4 North 2 East ST Anthony | 1986 | Box Beam or Girders - Single or Spread | 123 ft | 25 | Good |
Structure types in Morton County
| Stringer/Multi-beam or Girder | 98 | 36.4% |
| Culvert | 65 | 24.2% |
| Box Beam or Girders - Single or Spread | 32 | 11.9% |
| Channel Beam | 29 | 10.8% |
| Tee Beam | 22 | 8.2% |
| Box Beam or Girders - Multiple | 18 | 6.7% |
| Truss - Thru | 4 | 1.5% |
| Slab | 1 | 0.4% |
Other counties in North Dakota
- Adams County 44
- Barnes County 79
- Benson County 40
- Billings County 60
- Bottineau County 123
- Bowman County 69
- Burke County 29
- Burleigh County 113
- Cass County 369
- Cavalier County 65
- Dickey County 43
- Divide County 13
- Dunn County 73
- Eddy County 27
- Emmons County 68
- Foster County 19
- Golden Valley County 34
- Grand Forks County 337
- Grant County 59
- Griggs County 22
- Hettinger County 64
- Kidder County 10
- LaMoure County 60
- Logan County 13
- McHenry County 112
- McIntosh County 11
- McKenzie County 136
- McLean County 58
- Mercer County 71
- Mountrail County 28
- Nelson County 23
- Oliver County 23
- Pembina County 203
- Pierce County 5
- Ramsey County 48
- Ransom County 35
- Renville County 24
- Richland County 196
- Rolette County 18
- Sargent County 31
- Sheridan County 8
- Sioux County 22
- Slope County 43
- Stark County 156
- Steele County 93
- Stutsman County 78
- Towner County 57
- Traill County 147
- Walsh County 257
- Ward County 125
- Wells County 41
- Williams County 99