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US 20 AND ILL 84 over SMALLPOX CREEK

Map

Coordinates:
+42.38358, -90.37245
42°23'01" N, 90°22'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 AND ILL 84 over SMALLPOX CREEK
Structure number:043003500000000
Old structure number:000043003509991 (from 1992 edition)
Location:3.8 MI SE OF GALENA
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:68.9 ft. [21.0 m]
Total length:212.3 ft. [64.7 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Skew angle:32°
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,950 [as of 2015]
Truck traffic:29% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 minimum criteria [6]
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 assessed or calculated scour condition. [5]
Operating rating:63.5 tons [57.7 metric tons]
Inventory rating:38.2 tons [34.7 metric tons]
Sufficiency rating:56.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201556.3FairSatisfactoryFairSatisfactory-5950
October 201356.3FairSatisfactoryFairSatisfactory-5400
October 201156.3FairSatisfactoryFairSatisfactory-5850
November 200955.3FairFairFairGood-6500
April 200766.3FairFairSatisfactoryGood-6000
February 200666.3FairFairSatisfactoryGood-5500
February 200467.3FairSatisfactorySatisfactoryGood-5800
February 200266.3FairFairSatisfactoryGood-4750
February 200066.3FairFairSatisfactoryGood-5900
200066.3FairFairSatisfactoryGood-5900
February 199867.3FairSatisfactoryGoodVery Good-5800
March 199467.3GoodGoodGoodVery Good-5500
November 199167.3GoodGoodGoodVery Good-4700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,0609825730
Deck
Reinforced Concrete Decksq. ft.7,1156,96515000
Substructure
Reinforced Concrete Pier Walllinear ft.7777000
Reinforced Concrete Abutmentlinear ft.8078200
Reinforced Concrete Pier Caplinear ft.157151600
Joints
Strip Seal Jointlinear ft.8484000
Bearings
Movable Bearingeach100082
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4173675000