Share:

US20 WB over LITTLE MENOMINEE RIV

Map

Coordinates:
+42.46124, -90.54675
42°27'40" N, 90°32'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US20 WB over LITTLE MENOMINEE RIV
Structure number:043000500000000
Old structure number:000043000509987 (from 1992 edition)
Location:4.8 MI W JCT ILL84
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:71.9 ft. [21.9 m]
Total length:198.8 ft. [60.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Owner:State Highway Agency [01]
Year built:1965
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:9,100 [as of 2015]
Truck traffic:15% 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:75.6 tons [68.7 metric tons]
Inventory rating:45.2 tons [41.1 metric tons]
Sufficiency rating:80.3
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$701,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201580.3FairGoodSatisfactoryGood-9100
December 201480.3FairGoodSatisfactoryGood-9400
December 201263.0FairExcellentSatisfactoryGood-9650
March 201264.2PoorPoorFairSatisfactorySD4825
March 201064.3PoorPoorFairSatisfactorySD4700
June 200865.3PoorPoorFairSatisfactorySD4600
November 200665.5PoorPoorFairFairSD4200
October 200565.5PoorPoorFairFairSD4200
October 200365.4PoorPoorFairFairSD4250
November 200165.5PoorPoorFairFairSD4150
November 199965.4PoorPoorFairFairSD4450
November 199764.5PoorPoorSatisfactoryFairSD4100
November 199562.6PoorPoorSatisfactoryFairSD3950
December 199462.7PoorPoorSatisfactoryFairSD3650
January 199462.9PoorPoorSatisfactoryFairSD3200
February 199362.9PoorPoorSatisfactoryFairSD3000
November 199162.9PoorPoorSatisfactoryFairSD3000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,192879288250
Deck
Reinforced Concrete Decksq. ft.7,6937,27342000
Substructure
Reinforced Concrete Pier Walllinear ft.6666000
Reinforced Concrete Abutmentlinear ft.7877100
Reinforced Concrete Pier Caplinear ft.144136800
Bearings
Elastomeric Bearingeach1212000
Movable Bearingeach66000
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.454454000