Share:

ILL 16 & 100 over AUTEN DITCH

Map

Coordinates:
+39.13769, -90.57168
39°08'16" N, 90°34'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ILL 16 & 100 over AUTEN DITCH
Structure number:042000300000000
Old structure number:000042000309875 (from 1992 edition)
Location:1.6 MI SE CALHOUN CO
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:36.1 ft. [11.0 m]
Total length:102.0 ft. [31.1 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1996
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 [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,500 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:69.9 tons [63.5 metric tons]
Inventory rating:43.5 tons [39.5 metric tons]
Sufficiency rating:92.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201692.0GoodGoodGoodGood-2500
June 201492.7GoodVery GoodVery GoodVery Good-2250
June 201292.0GoodVery GoodVery GoodGood-2500
June 201092.2GoodVery GoodVery GoodGood-2450
June 200692.2GoodVery GoodVery GoodGood-2450
March 200591.2GoodVery GoodVery GoodGood-2800
March 200391.2GoodVery GoodVery GoodGood-2800
June 200191.1GoodExcellentExcellentGood-2850
June 199990.9GoodExcellentExcellentGood-2900
February 199991.8GoodExcellentExcellentGood-2600
June 199791.8GoodExcellentExcellentGood-2600
February 199737.0PoorPoorSeriousSatisfactory-2500
February 199640.0PoorFairSeriousGoodSD2500
March 199540.0PoorFairSeriousGoodSD2900
February 199440.0PoorFairSeriousSatisfactorySD2900
January 199240.0PoorFairSeriousGoodSD2950

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.927927000
Deck
Reinforced Concrete Decksq. ft.3,7083,50820000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.8181000
Reinforced Concrete Pier Caplinear ft.22318320200
Joints
Compression Jointlinear ft.162016200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.206020600