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US 20 WB over MENOMINEE RIVER

Map

Coordinates:
+42.46514, -90.58410
42°27'55" N, 90°35'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 WB over MENOMINEE RIVER
Structure number:043000300000000
Old structure number:000043000323765 (from 1992 edition)
Location:3.8 MI E JCT ILL 35
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:46.3 ft. [14.1 m]
Total length:129.3 ft. [39.4 m]
Roadway width between curbs:34.5 ft. [10.5 m]
Deck width edge-to-edge:37.4 ft. [11.4 m]
Skew angle:18°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,700 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:67.0 tons [60.9 metric tons]
Inventory rating:40.3 tons [36.6 metric tons]
Sufficiency rating:91.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$477,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201591.6FairGoodSatisfactoryGood-9700
December 201496.8FairVery GoodSatisfactoryGood-9400
December 201279.8FairExcellentSatisfactoryGood-11000
March 201264.0PoorPoorFairSatisfactorySD5500
March 201064.4PoorPoorFairSatisfactorySD4450
June 200864.3PoorPoorFairSatisfactorySD4650
November 200665.4PoorPoorFairSatisfactorySD4300
December 200565.4PoorPoorFairSatisfactorySD4300
December 200365.3PoorPoorFairSatisfactorySD4550
November 200176.6PoorPoorSatisfactorySatisfactorySD4500
November 199965.2PoorPoorSatisfactoryFairSD4850
November 199764.4PoorPoorSatisfactoryFairSD4350
November 199562.6PoorPoorSatisfactoryFairSD3950
December 199474.0PoorPoorSatisfactorySatisfactorySD3500
January 199474.0PoorPoorSatisfactorySatisfactorySD3500
February 199374.0PoorPoorSatisfactorySatisfactorySD3350
November 199174.0PoorPoorSatisfactorySatisfactorySD3350

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.775775000
Deck
Reinforced Concrete Decksq. ft.4,7884,36342500
Substructure
Reinforced Concrete Pier Walllinear ft.9392100
Reinforced Concrete Abutmentlinear ft.7976300
Reinforced Concrete Pier Caplinear ft.172168400
Bearings
Elastomeric Bearingeach1818000
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.320320000