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Bridge Safety Report Card: How Does Burnsville Stack Up?

On the five-year anniversary of the I-35 bridge collapse we find out: How structurally sound are the bridges in and around Burnsville?

 
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From the vantage point of the closed Black Dog Road West Bridge, Rachel Waldhoff of Burnsville (left) and Bonnie Heinecke of Prior Lake view the hundreds of egrets gathered on Black Dog Lake.
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We've got over 400 bridges in Dakota County, and with three major highways crisscrossing town, a fair share of them are located within Burnsville's city limits. On the anniversary of the bridge collapse in Minneapolis, we did a little digging to find out how well our briges are holding up. Note: If the bridge you're looking for is not on this list, there is no current safety data on it in the National Bridge Inventory Database.

Southbound Highway 77
Location: Bridge leading into Eagan over Minnesota River, begins .3 miles north of the junction at Highway 13.
Structure Number: 19013
Year Built: 1978
Average Daily Traffic: 47,000
Safety Evaluation: Railings, guardrails, transitions meet current, acceptable standards. Deck and substructure in good condition. Superstructure in satisfactory condition. All in all, equal to present minimum criteria.
Sufficiency Rating: 85 percent.

Northbound Highway 77

Location: Bridge leading into Eagan over Minnesota River, begins .3 miles north of the junction at Highway 13.
Structure Number: 19014
Year Built: 1978
Average Daily Traffic: 47,000
Safety Evaluation: Railings, guardrails, transitions meet current, acceptable standards. Deck and substructure in good condition. Superstructure in satisfactory condition. All in all, equal to present minimum criteria.
Sufficiency Rating 79.5 percent
County Road 42 
Location: A highway-pedestrian bridge about .3 miles west of the junction of County Road 5.
Structure Number: 19511
Year Built: 1971
Average Daily Traffic: 38,231
Safety Evaluation: Railings, transitions, and guardrails meet current, acceptable standards. Deck, superstructure, and substructure in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 90.1 percent
County Road 38 I
Location: Crosses Interstate 35 West, about 1.8 miles south of the junction with Highway 13.
Structure Number: 19522
Year Built: 1984
Average Daily Traffic: 17,400
Safety Evaluation: Railings meet current, acceptable standards. Transitions and guardrails do not. Deck and substructure are in good condition. Superstructure is satisfactory. All in all, equal to present, minimum criteria.
Sufficiency Rating: 90.2 percent
Route 101
Location: A highway-pedestrian bridge. Intersects Interstate 35, about .5 miles south of the split between I-35 E and I-35 W.
Structure Number: 19804
Year Built: 1988
Average Daily Traffic: 3,900
Safety Evaluation: Railings, guardrails and transitions meet current, acceptable standards. Deck, substructure and superstructure in good condition. All in all, better than the present minimum criteria.
Sufficiency Rating: 85.9 percent
Interstate 35 East, Southbound I
Location: At split between I-35 E and I-35 W.
Structure Number: 19809
Year Built: 1964
Average Daily Traffic: 19,500
Safety Evaluation: Railings, guardrails, and transitions meet current acceptable standards. Deck and substructure are in satisfactory condition. Superstructure in fair condition. All in all, somewhat better than minimum adequacy, good enough to tolerate being left in place as is.
Sufficiency Rating: 82.8 percent
Interstate 35 East, Southbound II
Location: Intersects County Road 42, about .4 miles northeast of the split with I-35 W.
Structure Number: 19811
Year Built: 1978
Average Daily Traffic: 19,500
Safety Evaluation: Railings, guardrails, and transitions meet current acceptable standards. Deck in satisfactory condition. Superstructure and substructure in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 96.2 percent
Interstate 35 East, Northbound I
Location: Intersects County Road 42, about .4 miles northeast of split with I-35W.
Structure Number: 19812
Year Built: 1978
Average Daily Traffic: 19,500
Safety Evaluation: Railings, transitions and guardrails meet current acceptable standards. Deck is in satisfactory condition. Superstructure and substructure are in good condition. All in all, better than present minimum critera.
Sufficiency Rating: 96.2 percent

Interstate 35 East, Southbound III

Location: Intersects County Road 11, about 2.3 miles northeast of the split with I-35W.
Structure Number: 19813
Year Built: 1979
Average Daily Traffic: 26,500
Safety Evaluation: Railings, guardrails and transitions meet current acceptable standards. Deck and substructure in good condition. Superstructure in satisfactory condition. Equal to present minimum crtieria.
Sufficiency Rating: 94.5 percent
Interstate 35 East, Northbound II
Location: Intersects County Road 11, about 2.3 miles northeast of split with I-35W.
Structure Number: 19814
Year Built: 1979
Average Daily Traffic: 26,500
Safety Evaluation: Railings, guardrails and transitions meet current acceptable standards. Deck and substructure in good condition. Superstructure in satisfactory condition. Equal to present minimum criteria.
Sufficiency Rating: 94.5 percent
Burnsville Parkway
Location: Intersects Interstate 35 West, about 2.2 miles north of the split with I-35E.
Structure Number: 19863
Year Built: 1969
Average Daily Traffic: 16,400
Safety Evaluation: Railings, guardrails, transitions meet current acceptable standards. Deck, superstructure and substructure are in satisfactory condition. Equal to present minimum criteria.
Sufficiency Rating: 89.5 percent
County Road 38 II
Location: Intersects Interstate 35 East, about 1.6 miles north of split with I-35 W.
Structure Number: 19866
Year Built: 1979
Average Daily Traffic: 22,000
Safety Evaluation: Railings, guardrails and transitions meet current acceptable standards. Deck is in satisfactory condition. Superstructure and substructure are in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 95.9 percent
Portland Avenue (Route 101)
Location: Intersects Interstate 35 East, about 1 miles northeast of split with I-35W. 
Structure Number: 19889
Year Built: 1979
Average Daily Traffic: 8,000
Safety Evaluation: Railings, guardrails and transitions meet current acceptable standards. Deck is in satisfactory condition. Superstructure and substructure are in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 97.9 percent
Interstate 35 West, Southbound I
Location: Intersects Southcross Drive, at the split between I-35E and I-35W.
Structure Number: 19891
Year Built: 1980
Average Daily Traffic: 26,000
Safety Evaluation: Railings, guardrails and transitions meet current acceptable standards. Deck, superstructure and substructure are in good condition.
Sufficiency Rating: 90.7
Interstate 35 West, Northbound I
Location: Intersects Southcross Drive, at the split between I-35E and I-35W.
Structure Number: 19892
Year Built: 1980
Average Daily Traffic: 26,000
Safety Evaluation: Railings, guardrails, and transitions meet current acceptable standards. Deck, superstructure and substructure are in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 91.9 percent
Interstate 35 East, Southbound IV
Location: Intersects Southcross Drive, at the split of I-35E and I-35W.
Structure Number: 19893
Year Built: 1979
Average Daily Traffic: 19,500
Safety Evaluation: Railings, transitions and approach guardrails meet current acceptable standards. Approach guradrail ends do not. Deck is in satisfactory condition. Superstructure and substructure are in good condition. All in all, better than present minimum criteria.
Sufficiency Rating: 88.9 percent
Interstate 35 West
Location: Intersects a railroad bridge and Cliff Road, about .5 miles north of the junction with Highway 13.
Structure Number: 6583
Year Built: 1959
Average Daily Traffic: 99,000
Safety Evaluation: Functionally obsolete. Railings, transitions and guardrail ends meet current acceptable standards. Approach guardrails do not. Deck is in good condition. Superstructure and substructure are satisfactory. Equal to present minimum criteria.
Sufficiency Rating: 81 percent
Highway 13 Westbound
Location: Intersects Interstate 35W.
Structure Number: 9779
Year Built: 1959. Reconstructed in 1996.
Average Daily Traffic: 18,000
Safety Evaluation: Functionally obsolete. Railings, transitions, approach guardrail ends meet current acceptable standards. Approach guardrails do not. Deck is in good condition. Superstructure and substructure are satisfactory. Equal to present minimum criteria.
Sufficiency Rating: 76.8 percent
Highway 13 Eastbound
Location: Intersects I-35W.
Structure Number: 9780
Year Built: 1959. Reconstructed in 1996. 
Average Daily Traffic: 18,000
Safety Evaluation: Functionally obsolete. Railings, guardrail ends, and transitions meet current acceptable standards. Approach guardrails do not. Deck is in good condition. Superstructure and substructure are satisfactory. Equal to present minimum criteria.
Sufficiency Rating: 76. 8 percent
Municipal Road 1
Location: Intersects Black Dog Creek, about .1 miles west of Highway 77.
Structure Number: L5773
Year Built: 1953
Average Daily Traffic: 872
Safety Evaluation: A frame bridge. Bridge foundations determined to be stable. Railings, guardrails meet current acceptable standards. Transitions and guardrail ends do not. Deck and superstructure are in very good condition. Substructure is in good condition. Better than present minimum criteria. 
Sufficiency Rating: 80.8 percent
Black Dog Road
Location: Intersects a channel on the Minnesota River.
Structure Number: L5774
Year Built: 1956
Average Daily Traffic: 1,040 in 1987
Safety Evaluation: Structurally deficient. Foundations found to be stable. Transitions and guardrails meet current acceptable standards. Railings do not. Deck and superstructure in satisfactory condition. Substructure is in poor condition. Meets minimum tolerable limits to be left in place as is.
Sufficiency Rating: 25.9 percent
Related Topics: Black Dog Road, Bridges, County Road 42, Functionally Obsolete, Highway 13, Highway 77, Interstate 35, Structural Evaluation, safety inspection, and structurally deficient

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