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US 52 & IA 64 over MISSISSIPPI RIVER

Map

Coordinates:
+42.10556, -90.16389
42°06'20" N, 90°09'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 52 & IA 64 over MISSISSIPPI RIVER
Structure number:000000000029940
Location:2.1 MI.S OF SABULA
Purpose:Carries highway over railroad and waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:520.0 ft. [158.5 m]
Total length:2481.1 ft. [756.2 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:50.9 ft. [15.5 m]
Owner:State Highway Agency [01]
Year built:1932
Year reconstructed:1985
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,170 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:27.0 tons [24.5 metric tons]
Sufficiency rating:49.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201649.2FairSatisfactoryFairFairFO2170
August 201430.8PoorGoodPoorPoorSD2090
August 201330.8PoorSatisfactoryPoorPoorSD2050
August 201230.8PoorSatisfactoryPoorPoorSD2100
August 201130.8PoorSatisfactoryPoorFairSD2100
August 200930.5PoorSatisfactoryPoorSatisfactorySD2060
April 200949.1FairFairSatisfactoryFairFO1920
April 200749.2FairFairSatisfactoryFairFO1950
March 200546.6FairFairSatisfactoryFairFO2390
November 200253.8FairGoodSatisfactorySatisfactoryFO2310
September 200053.5FairGoodSatisfactorySatisfactoryFO2360
March 199145.5FairSatisfactoryFairSatisfactoryFO2340