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Minnesota's Worst Bridges

Star Tribune
August 2007

More than 35 state and federal highway bridges in Minnesota were ranked about the same as or worse than the Interstate 35W bridge that collapsed Wednesday. The list includes only those bridges labeled "structurally deficient" and having a "sufficiency rating" of 50 percent or less, meaning the bridges need monitoring and might need to be replaced. This list includes only bridges on Interstate highways, U.S. numbered highways or state highways. This information was culled from the Federal Highway Administration's National Bridge Inventory database, current as of February 2007.

INTERSTATE 35W
Southbound over Hwy. 65 Northbound, .7 miles south of junction with I- 94, 4 blocks south of Franklin Avenue
Built: 1967 • Lanes: 2
Average daily traffic 48,500 trips
Bridge length 433 feet
Sufficiency rating 42.1
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 62
Eastbound over Interstate 35W,
at Crosstown Commons
Built: 1964 • Lanes: 2
Average daily traffic 50,000 trips
Bridge length 38 feet
Sufficiency rating 34.6
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 12
Over South fork of the Crow River, .1 miles east of junction with County Rd. 30 at Delano
Built: 1922 • Lanes: 2
Average daily traffic 15,500 trips
Bridge length 178 feet
Sufficiency rating 42.7
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 44
.4 miles east of the junction with Hwy. 52 at Harmony
Built: 1923 • Lanes: 2
Average daily traffic 2,100 trips
Bridge lengt 32 feet
Sufficiency rating 49.8
Structural evaluation: Basically intolerable; requiring high priority of corrective action.

HWY. 36
Lift bridge over St. Croix River at Wisconsin state line
Built: 1930 • Lanes: 2
Average daily traffic 18,000 trips
Bridge length 438 feet
Sufficiency rating 2.8
Structural evaluation: Basically intolerable requiring high priority of corrective action

HWY. 58
Over north fork of the Zumbro River, 1 mile north of the junction with Hwy. 52 at Zumbrota
Built: 1932 • Lanes: 2
Average daily traffic 6,700 trips
Bridge length 169 feet
Sufficiency rating 18.4
Structural evaluation: Meets minimum tolerable limits to be left as is

HWY. 60
Over railroad and street, .3 miles west of junction with Hwy. 299 in Faribault
Built: 1937 • Lanes: 2
Average daily traffic 10,500 trips
Bridge length 373 feet
Sufficiency rating 48.9
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 24
Over north fork of the Crow River, 10 miles northeast of Litchfield
Built: 1935 • Lanes: 2
Average daily traffic 1,650 trips
Bridge length 296 feet
Sufficiency rating 49
Structural evaluation: Somewhat better than minimum adequacy to tolerate being left in place as is.

HWY. 61
Over I&M Railroad and street, .1 mile east of junction with Hwy. 16 at La Crescent
Built: 1940 • Lanes: 4
Average daily traffic 15,600 trips
Bridge length 189 feet
Sufficiency rating 20.6
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 11
Over Rapid River, in Clementson
Built: 1950 • Lanes: 2
Average daily traffic 760 trips
Bridge length 383 feet
Sufficiency rating 49.1
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 1
Over Sandy River, 30 miles west of Northome
Built: 1936 • Lanes: 2
Average daily traffic 3,000 trips
Brid ge length 137 feet
Sufficiency rating 46.1
Structural evaluation: Somewhat better than minimum adequacy to tolerate being left in place as is.

HWY. 1
Over Kawishiwi River, 12.2 miles southeast of Ely
Built: 1936 • Lanes: 2
Average daily traffic 530 trips
Bridge length 488 feet
Sufficiency rating 49.3
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 65
Over Little Fork River, 6.8 miles north of Koochaching County line
Built: 1877 • Lanes: 2
Average daily traffic 30 trips
Bridge length 494 feet
Sufficiency rating 21.4
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 65
Over Ann River, 3 miles south of Mora
Built: 1938 • Lanes: 2
Average daily traffic 7,400 trips
Bridge length 107 feet
Sufficiency rating 34.1
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 71
Over North fork of the Crow River, 4.1 miles north of Belgrade
Built: 1937 • Lanes: 2
Average daily traffic 2,100 trips
Bridge length 149 feet
Sufficiency rating 29.7
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 30
Over Trout Run Creek, 4.7 miles east of junction with Hwy. 74 in northern Fillmore County
Built: 1937 • Lanes: 2
Average daily traffic 340 trips
Bridge length 142 feet
Sufficiency rating 33.7
Structural evaluation: Basically intolerable requiring high priority of corrective action.

HWY. 65
Over Sandy River, 8 miles north of McGregor
Built: 1940 • Lanes: 2
Average daily traffic 2,900 trips
Bridge length 122 feet
Sufficiency rating 35.5
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 42
Over north fork of the Whitewater River, .6 miles south of junction with County Rd. 25 east of Rochester
Built: 1941 • Lanes: 2
Average daily traffic 3,000 trips
Bridge length 142 feet
Sufficiency rating 44.9
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 14
Over unnamed stream, 1.2 miles west of junction with Hwy. 56 west of Dodge Center
Built: 1930 • Lanes: 3
Average daily traffic 7,400 trips
Bridge length 30 feet
Sufficiency rating 47
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 65
Over Groundhouse River, .5 miles north of junction with Hwy. 70, 4 miles north of Braham
Built: 1942 • Lanes: 2
Average daily traffic 6,900 trips
Bridge length 151 feet
Sufficiency rating 20.4
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 61
Northbound over East Indian Creek, 1.2 miles northwest of junction with Hwy. 74 , just south of Kellogg
Built: 1945 • Lanes: 2
Average daily traffic 2,075 trips
Bridge length 122 feet
Sufficiency rating 44.4
Structural evaluation: Meets minimum tolerable limits to be left as is.

INTERSTATE 35E
Over Cayuga Street and BNSF Railroad, .9 miles north of junction with I-94
Built: 1965 • Lanes: 6
Average daily traffic 148,000 trips
Bridge length 420 feet
Sufficiency rating 40.8
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 5
Over Recreation trail, 4 miles west of junction with Hwy. 41 in Carver County
Built: 1952 • Lanes: 2
Average daily traffic 16,000 trips
Bridge length 162 feet
Sufficiency rating 49.1
Structural evaluation: Somewhat better than minimum adequacy to tolerate being left in place as is.

HWY. 61
Over BNSF Railroad, 2 miles northeast of junction with I-694
Built: 1952 • Lanes: 4
Average daily traffic 24,500 trips
Bridge length 185 feet
Sufficiency rating 42.9
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 60
Over Cannon River, 5.4 miles east of junction with Minnesota 13 southwest of Faribault
Built: 1952 • Lanes: 2
Average daily traffic 4,450 trips
Bridge length 141 feet
Sufficiency rating 20.7
Structural evaluation: Basically intolerable requiring high priority of corrective action.

HWY. 61
Over Gilbert Creek, 1.6 miles northwest of Lake City
Built: 1954 • Lanes: 2
Average daily traffic 7,500 trips
Bridge length 116 feet
Sufficiency rating 35.6
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 3
Over Cannon River, 3.4 miles southwest of Northfield
Built: 1955 • Lanes: 2
Average daily traffic 7,300 trips
Bridge length 177 feet
Sufficiency rating 25.6
Structural evaluation: Basically intolerable requiring high priority of corrective action.

HWY. 74
Over Middle fork of the Whitewater River, 3.5 miles south of junction with County Rd. 26 at Elba in western Winona County
Built: 1930 • Lanes: 2
Average daily traffic 1,350 trips
Bridge length 265 feet
Sufficiency rating 14.3
Structural evaluation: Basically intolerable requiring high priority of corrective action.

INTERSTATE 90
Over Dobbins Creek, .5 miles west of junction with Hwy. 218, east of Austin
Built: 1957 • Lanes: 5
Average daily traffic 18,800 trips
Bridge length 44 feet
Sufficiency rating 41.3
Structural evaluation: Meets minimum tolerable limits to be left as is
 
HWY. 41
Over Minnesota River, .5 miles south of junction with Hwy. 212 in Chaska
Built: 1959 • Lanes: 2
Average daily traffic 15,800 trips
Bridge length 442 feet
Sufficiency rating 38
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 36
Eastbound over Hwy 95, 1 mile south of Stillwater
Built: 1959 • Lanes: 2
Average daily traffic 9,750 trips
Bridge length 329 feet
Sufficiency rating 27.4
Structural evaluation: Basically intolerable requiring high priority of corrective action.

HWY. 63
Over Miller Creek, 3.9 miles southwest of Lake City
Built: 1959 • Lanes: 2
Average daily traffic 2,900 trips
Bridge length 177 feet
Sufficiency rating 48.1
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 63
Over Miller Creek, 4.3 miles southwest of Lake City
Built: 1959 • Lanes: 2
Average daily traffic 2,800 trips
Bridge length 177 feet
Sufficiency rating 48.3
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 52
Northbound over south branch of the middle fork of the Zumbro River, 9.5 miles northwest of junction with Hwy. 14 in Rochester
Built: 1959 • Lanes: 2
Average daily traffic 12,500 trips
Bridge length 177 feet
Sufficiency rating 49.1
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 52
Northbound over middle fork of the Zumbro River, 9.9 miles northwest of junction with Hwy. 14 in Rochester
Built: 1959 • Lanes: 2
Average daily traffic 12,500 trips
Bridge length 162 feet
Sufficiency rating 46.7
Structural evaluation: Meets minimum tolerable limits to be left as is.

HWY. 52
Lafayette Bridge over Mississippi River, .2 miles southeast of junction with I-94
Built: 1968 • Lanes: 4
Average daily traffic 81,000 trips
Bridge length 1103 feet
Sufficiency rating 49.5
Structural evaluation: Meets minimum tolerable limits to be left as is.